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This study aimed to develop and validate a questionnaire to assess awareness of cervical cancer, its risk factors, and methods of prevention among Arabic-speaking women aged 20 years and over.
The study took place at primary healthcare institutions, Al Buraimi Governorate, Oman, between November 2018 to February 2019. In phase I, seventy items concerning cervical cancer and its prevention were generated through a literature review. In phase 2, the questionnaire was validated through calculating the content validity index (CVI) for both item level (I-CVI) and the scale level (S-CVI), in this phase a shortened English questionnaire of 55 items was formed, then rigorously translated to the Arabic language in phase III. The questionnaire was tested for reliability in two stages A pilot and a large field test in phase IV.
A total of 55 out of 70 items formed the final version of the questionnaire. The final instrument had an S-CVI/Ave of 0.92. The questionnaire called the Knowledge in Cervical Cancer and Prevention Methods 55-items (KCCPM-55). The Cronbach alpha coefficient was 0.940 for the whole questionnaire, and ranged between 0.57 to 0.93 for each of the domains. Test-retest reliability was examined in a subsample of the total participants sample (r = 0.769, p < 0.001).
The KCCPM-55 has been successfully developed in the Arabic language and found to be a valid and reliable instrument for assessing the level of knowledge about cervical cancer and prevention methods among women aged 20 to 65 years in Oman.
The KCCPM-55 has been successfully developed in the Arabic language and found to be a valid and reliable instrument for assessing the level of knowledge about cervical cancer and prevention methods among women aged 20 to 65 years in Oman.
To compare radiotherapy-induced toxicity for localized prostate-cancer (PCa) treated with versus without daily image-guidance.
We identified consecutive intermediate and high-risk localized PCa patients treated with definitive radiotherapy using intensity-modulated radiotherapy (IMRT) with variable duration of androgen-deprivation therapy (ADT) within 2015-2016 (Arm-A) and 2005-2007 (Arm-B). Arm-A cases received daily online imaging guidance (IGRT) using cone-beam computed tomography (CBCT) unlike Arm-B candidates with no daily IGRT. After reporting demographic, clinico-pathological features and treatment details, we compared acute (within 3 months post-therapy) and late RT-induced toxicities between study groups graded by RTOG/CTCAE criteria. Uni/multivariate analyses (UVA/MVA) were performed to identify independent predictors for RT-related side-effects.
We were able to identify 257 cases who met our inclusion criteria. Overall, median age was 73 years (48-85), 67% had intermediate-risk and 47% receivand 47% received ADT. Arm-A included 72 patients who received IMRT delivered using volumetric-modulated arc therapy (VMAT), whereas, Arm-B was formed of 185 cases who utilized step-and-shoot static IMRT. Clinico-pathological features and treatment details were non-different across study arms except that Arm-A had more Grade Group 3, higher median total dose (79.2 vs. 74 Gy) and more pelvic lymph-nodes RT (p less then 0.05). Although acute toxicity was similar across groups, Arm-B encountered higher late toxicity score, more intense late genitourinary side-effects (P=0.008), with non-different late lower-gastrointestinal toxicities. On MVA, lack of daily CBCT, African-American race and higher comorbidities were independently predictive for late toxicities. Conclusion IMRT with daily CBCT permitted safe delivery of dose-escalated IMRT with improved toxicity profile for higher-risk prostate cancer.
The genus Aglaia (Meliaceae) is an established source of many anticancer compounds. The study evaluated the leaf extracts of Aglaia loheri, a tree native to the Philippines, as potential source of anticancer compounds.
Using bioassay-guided fractionation, A. loheri leaf extract was subjected to various chromatographic techniques and step-wise application of MTT assay on human colorectal carcinoma cells, HCT116, to determine the cytotoxic fractions. The most cytotoxic HPLC isolate was structurally identified using 1D and 2D NMR and its apoptotic effect was assessed by JC-1 staining, caspase 3/7 assay and TUNEL assay.
After stepwise chromatography fractionation, an HPLC isolate, structurally identified as aglaforbesin derivative (AFD), demonstrated potent cytotoxicity against HCT116. AFD exhibited strong toxicity (IC50 = 1.13 ±0.07 µg/mL) and high selectivity on HCT116 than normal human kidney cells (HK-2). AFD-induced toxicity to HCT116 is possibly through the stimulation of the apoptotic signaling pathway via caspase 3/7 activation and DNA fragmentation independent of mitochondrial membrane depolarization.
AFD exhibited selective cytotoxicity and apoptotic activity to HCT116 and could be further developed as anticancer drug lead.
AFD exhibited selective cytotoxicity and apoptotic activity to HCT116 and could be further developed as anticancer drug lead.
In Qatar, colorectal cancer (CRC) is the second most common cancer and is projected to be more than triple by 2035. Therefore, CRC periodic screening is vitally important because early detection will improve the success of treatment. In 2016, Qatar established a population-based screening program for CRC targetting average-risk adults. This study aimed to determine the perceived barriers to undergo CRC screening in eligible adults in Qatar and the associated factors.
This was a cross-sectional study of individuals aged 50-74 years who have been never screened, across six primary health centers between September 2018 and January 2019. A non-probability sampling method was used to recruit participants. Participants were interviewed using a structured questionnaire. Descriptive and analytic statistics were applied.
A total of 188 individuals participated in the study. https://www.selleckchem.com/products/cpi-0610.html The mean age of the participants was 58.3 (SD ±6.4) years. Most participants were females (54.5%) and non-Qatari Arabs (54.3%). The top five reported barriers to CRC screening were not at risk due to absence of symptoms (60.6%), not at risk due to absence of family history (55.1%), not at risk due to adopting a healthy lifestyle (52.7%), lack of time (41%), and lack of reminders by healthcare workers (39.4%). Bivariate analyses identified statistically significant associations between certain barriers and female gender, nationality, and educational level (primary school and below).
The present study identified several barriers to undergoing CRC screening among eligible adults in Qatar. Such results provide a basis for tailoring of future educational campaigns that are relevant, specific, and appealing to such a cohort.<br />.
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This study aimed to develop and validate a questionnaire to assess awareness of cervical cancer, its risk factors, and methods of prevention among Arabic-speaking women aged 20 years and over. The study took place at primary healthcare institutions, Al Buraimi Governorate, Oman, between November 2018 to February 2019. In phase I, seventy items concerning cervical cancer and its prevention were generated through a literature review. In phase 2, the questionnaire was validated through calculating the content validity index (CVI) for both item level (I-CVI) and the scale level (S-CVI), in this phase a shortened English questionnaire of 55 items was formed, then rigorously translated to the Arabic language in phase III. The questionnaire was tested for reliability in two stages A pilot and a large field test in phase IV. A total of 55 out of 70 items formed the final version of the questionnaire. The final instrument had an S-CVI/Ave of 0.92. The questionnaire called the Knowledge in Cervical Cancer and Prevention Methods 55-items (KCCPM-55). The Cronbach alpha coefficient was 0.940 for the whole questionnaire, and ranged between 0.57 to 0.93 for each of the domains. Test-retest reliability was examined in a subsample of the total participants sample (r = 0.769, p < 0.001). The KCCPM-55 has been successfully developed in the Arabic language and found to be a valid and reliable instrument for assessing the level of knowledge about cervical cancer and prevention methods among women aged 20 to 65 years in Oman. The KCCPM-55 has been successfully developed in the Arabic language and found to be a valid and reliable instrument for assessing the level of knowledge about cervical cancer and prevention methods among women aged 20 to 65 years in Oman. To compare radiotherapy-induced toxicity for localized prostate-cancer (PCa) treated with versus without daily image-guidance. We identified consecutive intermediate and high-risk localized PCa patients treated with definitive radiotherapy using intensity-modulated radiotherapy (IMRT) with variable duration of androgen-deprivation therapy (ADT) within 2015-2016 (Arm-A) and 2005-2007 (Arm-B). Arm-A cases received daily online imaging guidance (IGRT) using cone-beam computed tomography (CBCT) unlike Arm-B candidates with no daily IGRT. After reporting demographic, clinico-pathological features and treatment details, we compared acute (within 3 months post-therapy) and late RT-induced toxicities between study groups graded by RTOG/CTCAE criteria. Uni/multivariate analyses (UVA/MVA) were performed to identify independent predictors for RT-related side-effects. We were able to identify 257 cases who met our inclusion criteria. Overall, median age was 73 years (48-85), 67% had intermediate-risk and 47% receivand 47% received ADT. Arm-A included 72 patients who received IMRT delivered using volumetric-modulated arc therapy (VMAT), whereas, Arm-B was formed of 185 cases who utilized step-and-shoot static IMRT. Clinico-pathological features and treatment details were non-different across study arms except that Arm-A had more Grade Group 3, higher median total dose (79.2 vs. 74 Gy) and more pelvic lymph-nodes RT (p less then 0.05). Although acute toxicity was similar across groups, Arm-B encountered higher late toxicity score, more intense late genitourinary side-effects (P=0.008), with non-different late lower-gastrointestinal toxicities. On MVA, lack of daily CBCT, African-American race and higher comorbidities were independently predictive for late toxicities. Conclusion IMRT with daily CBCT permitted safe delivery of dose-escalated IMRT with improved toxicity profile for higher-risk prostate cancer. The genus Aglaia (Meliaceae) is an established source of many anticancer compounds. The study evaluated the leaf extracts of Aglaia loheri, a tree native to the Philippines, as potential source of anticancer compounds. Using bioassay-guided fractionation, A. loheri leaf extract was subjected to various chromatographic techniques and step-wise application of MTT assay on human colorectal carcinoma cells, HCT116, to determine the cytotoxic fractions. The most cytotoxic HPLC isolate was structurally identified using 1D and 2D NMR and its apoptotic effect was assessed by JC-1 staining, caspase 3/7 assay and TUNEL assay. After stepwise chromatography fractionation, an HPLC isolate, structurally identified as aglaforbesin derivative (AFD), demonstrated potent cytotoxicity against HCT116. AFD exhibited strong toxicity (IC50 = 1.13 ±0.07 µg/mL) and high selectivity on HCT116 than normal human kidney cells (HK-2). AFD-induced toxicity to HCT116 is possibly through the stimulation of the apoptotic signaling pathway via caspase 3/7 activation and DNA fragmentation independent of mitochondrial membrane depolarization. AFD exhibited selective cytotoxicity and apoptotic activity to HCT116 and could be further developed as anticancer drug lead. AFD exhibited selective cytotoxicity and apoptotic activity to HCT116 and could be further developed as anticancer drug lead. In Qatar, colorectal cancer (CRC) is the second most common cancer and is projected to be more than triple by 2035. Therefore, CRC periodic screening is vitally important because early detection will improve the success of treatment. In 2016, Qatar established a population-based screening program for CRC targetting average-risk adults. This study aimed to determine the perceived barriers to undergo CRC screening in eligible adults in Qatar and the associated factors. This was a cross-sectional study of individuals aged 50-74 years who have been never screened, across six primary health centers between September 2018 and January 2019. A non-probability sampling method was used to recruit participants. Participants were interviewed using a structured questionnaire. Descriptive and analytic statistics were applied. A total of 188 individuals participated in the study. https://www.selleckchem.com/products/cpi-0610.html The mean age of the participants was 58.3 (SD ±6.4) years. Most participants were females (54.5%) and non-Qatari Arabs (54.3%). The top five reported barriers to CRC screening were not at risk due to absence of symptoms (60.6%), not at risk due to absence of family history (55.1%), not at risk due to adopting a healthy lifestyle (52.7%), lack of time (41%), and lack of reminders by healthcare workers (39.4%). Bivariate analyses identified statistically significant associations between certain barriers and female gender, nationality, and educational level (primary school and below). The present study identified several barriers to undergoing CRC screening among eligible adults in Qatar. Such results provide a basis for tailoring of future educational campaigns that are relevant, specific, and appealing to such a cohort.<br />. .0 Comments 0 Shares 480 Views 0 ReviewsPlease log in to like, share and comment! -
The sustained-release formulation of meloxicam (MSR) is a compounded NSAID that may provide pain relief for as long as 72 h after administration. MSR injection-site skin reactions have occurred in several species but have not previously been observed in ****. We investigated the development and progression of localized skin reactions after a single injection of MSR in CrlCD1(ICR), C57BL/6J, and BALB/cJ ****. Each mouse received a subcutaneous injection of MSR (n = 60), standard-formulation meloxicam (MEL; n = 24) or saline (control; SC; n = 24) and was scored daily according to a 5-point system for erythema and mass characteristics. **** were euthanized at either 7 or 14 d after injection and underwent postmortem analysis. MSR-treated **** had more erythematous and mass reactions than did MEL and SC ****. Mass lesions developed in 49 MSR **** (82%; 95% CI, 70% to 90%), 5 MEL animals (21%; 95% CI, 7% to 42%), and 1 SC mouse. MSR-treated BALB/cJ developed erythematous lesions less frequently than similarly treaR.A recent suicidal drive hypothesis posits that psychotic experiences (PEs) may serve to externalize internally generated and self-directed threat (i.e., self-injurious/suicidal behavior [SIB]) in order to optimize survival; however, it must first be demonstrated that such internal threat can both precede and inform PEs. The current study conducted the first known bidirectional analysis of SIB and PEs to test whether SIB could be considered as a plausible antecedent for PEs. Prospective data were utilized from the Environmental Risk (E-Risk) Longitudinal Twin Study, a nationally representative birth cohort of 2232 twins, that captured SIB (any self-harm or suicidal attempt) and PEs at ages 12 and 18 years. Cross-lagged panel models demonstrated that the association between SIB at age 12 and PEs at age 18 was as strong as the association between PEs at age 12 and SIB at age 18. https://www.selleckchem.com/products/uc2288.html Indeed, the best representation of the data was a model where these paths were constrained to be equal (OR = 2.48, 95% CI = 1.63-3.79). Clinical interview case notes for those who reported both SIB and PEs at age 18, revealed that PEs were explicitly characterized by SIB/threat/death-related content for 39% of cases. These findings justify further investigation of the suicidal drive hypothesis.This paper critically reviews the opportunities and challenges in designing and conducting actionable research on the learning and development of children in conflict- and crisis-affected countries. We approached our review through two perspectives championed by Edward Zigler (a) child development and social policy and (b) developmental psychopathology in context. The aim of the work was to answer the following questions What works to enhance children's learning and development in such contexts? By what mechanisms? For whom? Under what conditions? How do experiences and conditions of crisis affect the basic processes of children's typical development? The review is based on a research-practice partnership started in the Democratic Republic of the Congo in 2010 and expanded to research in Niger and Lebanon in 2016. The focus of the research is on the impact of Healing Classrooms (a set of classroom practices) and Healing Classrooms Plus (an additional set of targeted social and emotional learning activities), developed by the International Rescue Committee, on children's academic outcomes and social and emotional learning. We sought to extract lessons from this decade of research for building a global developmental science for action. Special attention is paid to the importance of research-practice partnerships, conceptual frameworks, measurement and methodology. We conclude by highlighting several essential features of a global developmental science for action.
Agitated patients constitute 10% of all emergency psychiatric treatment. Management guidelines, the preferred treatment of clinicians differ in opinion and practice. In Lebanon, the use of the triple therapy haloperidol plus promethazine plus chlorpromazine (HPC) is frequently used but no studies involving this combination exists.
A pragmatic randomised open trial (September 2018-July 2019) in the Lebanese Psychiatric Hospital of the Cross in Beirut Lebanon involving 100 people requiring urgent intramuscular sedation due to aggressive behaviour were given intramuscular chlorpromazine 100 mg plus haloperidol 5 mg plus promethazine 25 mg (HPC) or intramuscular haloperidol 5 mg plus promethazine 25 mg.
Primary outcome data were available for 94 (94%) people. People allocated to the haloperidol plus promethazine (HP) group showed no clear difference at 20 min compared with patients allocated to the HPC group [relative risk (RR) 0.84, 95% confidence interval (CI) 0.47-1.50].
Neither intervention consistently impacted the outcome of 'calm', or 'asleep' and had no discernible effect on the use of restraints, use of additional drugs or recurrence. If clinicians are faced with uncertainty on which of the two intervention combinations to use, the simpler HP is **** more widely tested and the addition of chlorpromazine adds no clear benefit with a risk of additional adverse effects.
Neither intervention consistently impacted the outcome of 'calm', or 'asleep' and had no discernible effect on the use of restraints, use of additional drugs or recurrence. If clinicians are faced with uncertainty on which of the two intervention combinations to use, the simpler HP is **** more widely tested and the addition of chlorpromazine adds no clear benefit with a risk of additional adverse effects.
Aggressive fluid administration is recommended in the resuscitation of septic patients. However, the delivery of a rapid fluid bolus might cause harm by inducing degradation of the endothelial glycocalyx. This research aimed to examine the effects of the limited infusion rate of fluid on glycocalyx shedding as measured by syndecan-1 in patients with sepsis-induced hypoperfusion.
A prospective, randomized, controlled, open-label trial was conducted between November 2018 and February 2020 in an urban academic emergency department. Patients with sepsis-induced hypoperfusion, defined as hypotension or hyperlactatemia, were randomized to receive either the standard rate (30 ml/kg/h) or limited rate (10 ml/kg/h) of fluid for the first 30 ml/kg fluid resuscitation. Subsequently, the fluid rate was adjusted according to the physician's discretion but not more than that of the designated fluid rate for the total of 6 h. The primary outcome was differences in change of syndecan-1 levels at 6 h compared to baseline between standard and limited rate groups.
The sustained-release formulation of meloxicam (MSR) is a compounded NSAID that may provide pain relief for as long as 72 h after administration. MSR injection-site skin reactions have occurred in several species but have not previously been observed in mice. We investigated the development and progression of localized skin reactions after a single injection of MSR in CrlCD1(ICR), C57BL/6J, and BALB/cJ mice. Each mouse received a subcutaneous injection of MSR (n = 60), standard-formulation meloxicam (MEL; n = 24) or saline (control; SC; n = 24) and was scored daily according to a 5-point system for erythema and mass characteristics. Mice were euthanized at either 7 or 14 d after injection and underwent postmortem analysis. MSR-treated mice had more erythematous and mass reactions than did MEL and SC mice. Mass lesions developed in 49 MSR mice (82%; 95% CI, 70% to 90%), 5 MEL animals (21%; 95% CI, 7% to 42%), and 1 SC mouse. MSR-treated BALB/cJ developed erythematous lesions less frequently than similarly treaR.A recent suicidal drive hypothesis posits that psychotic experiences (PEs) may serve to externalize internally generated and self-directed threat (i.e., self-injurious/suicidal behavior [SIB]) in order to optimize survival; however, it must first be demonstrated that such internal threat can both precede and inform PEs. The current study conducted the first known bidirectional analysis of SIB and PEs to test whether SIB could be considered as a plausible antecedent for PEs. Prospective data were utilized from the Environmental Risk (E-Risk) Longitudinal Twin Study, a nationally representative birth cohort of 2232 twins, that captured SIB (any self-harm or suicidal attempt) and PEs at ages 12 and 18 years. Cross-lagged panel models demonstrated that the association between SIB at age 12 and PEs at age 18 was as strong as the association between PEs at age 12 and SIB at age 18. https://www.selleckchem.com/products/uc2288.html Indeed, the best representation of the data was a model where these paths were constrained to be equal (OR = 2.48, 95% CI = 1.63-3.79). Clinical interview case notes for those who reported both SIB and PEs at age 18, revealed that PEs were explicitly characterized by SIB/threat/death-related content for 39% of cases. These findings justify further investigation of the suicidal drive hypothesis.This paper critically reviews the opportunities and challenges in designing and conducting actionable research on the learning and development of children in conflict- and crisis-affected countries. We approached our review through two perspectives championed by Edward Zigler (a) child development and social policy and (b) developmental psychopathology in context. The aim of the work was to answer the following questions What works to enhance children's learning and development in such contexts? By what mechanisms? For whom? Under what conditions? How do experiences and conditions of crisis affect the basic processes of children's typical development? The review is based on a research-practice partnership started in the Democratic Republic of the Congo in 2010 and expanded to research in Niger and Lebanon in 2016. The focus of the research is on the impact of Healing Classrooms (a set of classroom practices) and Healing Classrooms Plus (an additional set of targeted social and emotional learning activities), developed by the International Rescue Committee, on children's academic outcomes and social and emotional learning. We sought to extract lessons from this decade of research for building a global developmental science for action. Special attention is paid to the importance of research-practice partnerships, conceptual frameworks, measurement and methodology. We conclude by highlighting several essential features of a global developmental science for action. Agitated patients constitute 10% of all emergency psychiatric treatment. Management guidelines, the preferred treatment of clinicians differ in opinion and practice. In Lebanon, the use of the triple therapy haloperidol plus promethazine plus chlorpromazine (HPC) is frequently used but no studies involving this combination exists. A pragmatic randomised open trial (September 2018-July 2019) in the Lebanese Psychiatric Hospital of the Cross in Beirut Lebanon involving 100 people requiring urgent intramuscular sedation due to aggressive behaviour were given intramuscular chlorpromazine 100 mg plus haloperidol 5 mg plus promethazine 25 mg (HPC) or intramuscular haloperidol 5 mg plus promethazine 25 mg. Primary outcome data were available for 94 (94%) people. People allocated to the haloperidol plus promethazine (HP) group showed no clear difference at 20 min compared with patients allocated to the HPC group [relative risk (RR) 0.84, 95% confidence interval (CI) 0.47-1.50]. Neither intervention consistently impacted the outcome of 'calm', or 'asleep' and had no discernible effect on the use of restraints, use of additional drugs or recurrence. If clinicians are faced with uncertainty on which of the two intervention combinations to use, the simpler HP is much more widely tested and the addition of chlorpromazine adds no clear benefit with a risk of additional adverse effects. Neither intervention consistently impacted the outcome of 'calm', or 'asleep' and had no discernible effect on the use of restraints, use of additional drugs or recurrence. If clinicians are faced with uncertainty on which of the two intervention combinations to use, the simpler HP is much more widely tested and the addition of chlorpromazine adds no clear benefit with a risk of additional adverse effects. Aggressive fluid administration is recommended in the resuscitation of septic patients. However, the delivery of a rapid fluid bolus might cause harm by inducing degradation of the endothelial glycocalyx. This research aimed to examine the effects of the limited infusion rate of fluid on glycocalyx shedding as measured by syndecan-1 in patients with sepsis-induced hypoperfusion. A prospective, randomized, controlled, open-label trial was conducted between November 2018 and February 2020 in an urban academic emergency department. Patients with sepsis-induced hypoperfusion, defined as hypotension or hyperlactatemia, were randomized to receive either the standard rate (30 ml/kg/h) or limited rate (10 ml/kg/h) of fluid for the first 30 ml/kg fluid resuscitation. Subsequently, the fluid rate was adjusted according to the physician's discretion but not more than that of the designated fluid rate for the total of 6 h. The primary outcome was differences in change of syndecan-1 levels at 6 h compared to baseline between standard and limited rate groups.0 Comments 0 Shares 156 Views 0 Reviews -
Communication training effectiveness for health care providers has been well documented, however patient and caregiver training may present a prime opportunity to mitigate communication challenges that provider-only training cannot. The aim of this study is to describe the multi-step process of adapting a national, provider, health communication training program (COMFORT) for use with underserved patients and caregivers who (1) are not regular consumers within health care systems and/or (2) do not have ready access to providers. We examine three iterations of training feedback for implementation in future training.
Not One More Life (NOML), a health and faith partnership, aims to engage African Americans at risk for asthma morbidity into community-partnered asthma programs.
Not One More Life programs consisted of interactive presentations, a questionnaire, and spirometry.
4,522 individuals attended NOML programs at 136 Atlanta churches over nine years. Over 90% of attendees were African American. Attendees with asthma had high rates of obesity (9.4% of children, 47.9% of adults) and airflow obstruction (34.6% of children, 17.2%, of adults). Over 20% of attendees with asthma reported past hospitalization for asthma. Among those with a history of hospitalizations for asthma, just 17.6% reported treatment with inhaled corticosteroids Conclusion. Not One More Life program attendees with asthma report considerable morbidity including exceptionally high rates of asthma hospitalizations. Participants have multiple remediable characteristics associated with poorly controlled asthma, including medication undertreatment and obesity.
4,522 individuals attended NOML programs at 136 Atlanta churches over nine years. Over 90% of attendees were African American. Attendees with asthma had high rates of obesity (9.4% of children, 47.9% of adults) and airflow obstruction (34.6% of children, 17.2%, of adults). Over 20% of attendees with asthma reported past hospitalization for asthma. Among those with a history of hospitalizations for asthma, just 17.6% reported treatment with inhaled corticosteroids Conclusion. Not One More Life program attendees with asthma report considerable morbidity including exceptionally high rates of asthma hospitalizations. Participants have multiple remediable characteristics associated with poorly controlled asthma, including medication undertreatment and obesity.
There is limited evidence on how to implement social determinants of health (SDH) screenings.
To synthesize recent evidence investigating the implementation of SDH screening in primary care settings.
Electronic strategies were used to find articles published between September 2008 and 2018. Articles in the review (N = 15) varied in study design and methodologic rigor, complicating the analysis.
Many articles lacked specification on who administered the screening, where the screening was administered, and resource referral rates. The majority of the screenings were administered during the clinic visit by a medical provider. The four primary SDH domains assessed were income, housing stability, education, and employment status.
More specific implementation research is needed on the best way for providers to screen for SDH in addition to how screening practices influence resource referrals, resource utilization, and health improvements.
More specific implementation research is needed on the best way for providers to screen for SDH in addition to how screening practices influence resource referrals, resource utilization, and health improvements.Fifty-six percent of high-needs NYC cancer patients are food insecure, at times choosing between medical treatment and food. We describe FOOD (Food to Overcome Outcome Disparities), an innovative intervention, which has established eleven medically tailored food pantries in NYC cancer centers and distributed the equivalent of 307,080 meals since 2011.Pregnancy and Parenting Partners (P3) is a group-based prenatal care program developed to provide access to comprehensive medical care, education, and social support during pregnancy and early parenting. P3 innovatively combines positive elements of existing evidence-based programs to address needs specific to socially disadvantaged women and their families.This report describes the implementation of a primary care behavioral health integration program for anxiety management at Cambridge Health Alliance (CHA), a safety-net health care system. https://www.selleckchem.com/products/azd5582.html Using a staged implementation process, CHA built upon existing capacities to create a comprehensive infrastructure for managing behavioral health conditions in primary care.While disparities in the incidence, treatment, and mortality of oral cancer have been investigated in underrepresented groups, the Hispanic migrant farmworker population is understudied. A questionnaire was designed to assess oral cancer knowledge, awareness, and care-seeking behavior in this population. We aim to review this survey and outline its development.All EARS is a medical student run organization that provides social, mental, and emotional support to critically ill patients, including those on palliative care, in an urban hospital setting. Our aim is not only to help patients, but foster the next generation of humanistic physicians.Custodial staff are essential to the smooth functioning of a hospital, and yet their financial hardships often go unnoticed in discussions of health care delivery. I share my personal experiences speaking with custodial staff at the University of Pittsburgh Medical Center as they sought and received a raise in the hospital's minimum wage, and observing the lasting effects of such a reform.
Bariatric surgery is cost-effective for treating obesity and diabetes. There are higher rates of obesity and diabetes in medically-underserved populations, yet it is unclear if disparities in bariatric surgery utilization exist in this population.
Bariatric surgery rates were calculated for underserved populations with obesity and diabetes using secondary data sets of four states in the diabetes belt (Florida, Georgia, Kentucky, South Carolina), a region in the southeast United States with higher rates of diabetes and obesity. Surgery rates were compared across states and demographic groups.
Males, Blacks, and patients in rural areas had lower rates of bariatric surgery compared to females, Whites, and patients in urban areas. Payer rates were mixed across states. Surprisingly, minorities in Florida had higher surgery rates.
Disparities exist in bariatric surgery rates in underserved populations with obesity and diabetes. It is vital to improve surgery access to this population to promote health equity.
Communication training effectiveness for health care providers has been well documented, however patient and caregiver training may present a prime opportunity to mitigate communication challenges that provider-only training cannot. The aim of this study is to describe the multi-step process of adapting a national, provider, health communication training program (COMFORT) for use with underserved patients and caregivers who (1) are not regular consumers within health care systems and/or (2) do not have ready access to providers. We examine three iterations of training feedback for implementation in future training. Not One More Life (NOML), a health and faith partnership, aims to engage African Americans at risk for asthma morbidity into community-partnered asthma programs. Not One More Life programs consisted of interactive presentations, a questionnaire, and spirometry. 4,522 individuals attended NOML programs at 136 Atlanta churches over nine years. Over 90% of attendees were African American. Attendees with asthma had high rates of obesity (9.4% of children, 47.9% of adults) and airflow obstruction (34.6% of children, 17.2%, of adults). Over 20% of attendees with asthma reported past hospitalization for asthma. Among those with a history of hospitalizations for asthma, just 17.6% reported treatment with inhaled corticosteroids Conclusion. Not One More Life program attendees with asthma report considerable morbidity including exceptionally high rates of asthma hospitalizations. Participants have multiple remediable characteristics associated with poorly controlled asthma, including medication undertreatment and obesity. 4,522 individuals attended NOML programs at 136 Atlanta churches over nine years. Over 90% of attendees were African American. Attendees with asthma had high rates of obesity (9.4% of children, 47.9% of adults) and airflow obstruction (34.6% of children, 17.2%, of adults). Over 20% of attendees with asthma reported past hospitalization for asthma. Among those with a history of hospitalizations for asthma, just 17.6% reported treatment with inhaled corticosteroids Conclusion. Not One More Life program attendees with asthma report considerable morbidity including exceptionally high rates of asthma hospitalizations. Participants have multiple remediable characteristics associated with poorly controlled asthma, including medication undertreatment and obesity. There is limited evidence on how to implement social determinants of health (SDH) screenings. To synthesize recent evidence investigating the implementation of SDH screening in primary care settings. Electronic strategies were used to find articles published between September 2008 and 2018. Articles in the review (N = 15) varied in study design and methodologic rigor, complicating the analysis. Many articles lacked specification on who administered the screening, where the screening was administered, and resource referral rates. The majority of the screenings were administered during the clinic visit by a medical provider. The four primary SDH domains assessed were income, housing stability, education, and employment status. More specific implementation research is needed on the best way for providers to screen for SDH in addition to how screening practices influence resource referrals, resource utilization, and health improvements. More specific implementation research is needed on the best way for providers to screen for SDH in addition to how screening practices influence resource referrals, resource utilization, and health improvements.Fifty-six percent of high-needs NYC cancer patients are food insecure, at times choosing between medical treatment and food. We describe FOOD (Food to Overcome Outcome Disparities), an innovative intervention, which has established eleven medically tailored food pantries in NYC cancer centers and distributed the equivalent of 307,080 meals since 2011.Pregnancy and Parenting Partners (P3) is a group-based prenatal care program developed to provide access to comprehensive medical care, education, and social support during pregnancy and early parenting. P3 innovatively combines positive elements of existing evidence-based programs to address needs specific to socially disadvantaged women and their families.This report describes the implementation of a primary care behavioral health integration program for anxiety management at Cambridge Health Alliance (CHA), a safety-net health care system. https://www.selleckchem.com/products/azd5582.html Using a staged implementation process, CHA built upon existing capacities to create a comprehensive infrastructure for managing behavioral health conditions in primary care.While disparities in the incidence, treatment, and mortality of oral cancer have been investigated in underrepresented groups, the Hispanic migrant farmworker population is understudied. A questionnaire was designed to assess oral cancer knowledge, awareness, and care-seeking behavior in this population. We aim to review this survey and outline its development.All EARS is a medical student run organization that provides social, mental, and emotional support to critically ill patients, including those on palliative care, in an urban hospital setting. Our aim is not only to help patients, but foster the next generation of humanistic physicians.Custodial staff are essential to the smooth functioning of a hospital, and yet their financial hardships often go unnoticed in discussions of health care delivery. I share my personal experiences speaking with custodial staff at the University of Pittsburgh Medical Center as they sought and received a raise in the hospital's minimum wage, and observing the lasting effects of such a reform. Bariatric surgery is cost-effective for treating obesity and diabetes. There are higher rates of obesity and diabetes in medically-underserved populations, yet it is unclear if disparities in bariatric surgery utilization exist in this population. Bariatric surgery rates were calculated for underserved populations with obesity and diabetes using secondary data sets of four states in the diabetes belt (Florida, Georgia, Kentucky, South Carolina), a region in the southeast United States with higher rates of diabetes and obesity. Surgery rates were compared across states and demographic groups. Males, Blacks, and patients in rural areas had lower rates of bariatric surgery compared to females, Whites, and patients in urban areas. Payer rates were mixed across states. Surprisingly, minorities in Florida had higher surgery rates. Disparities exist in bariatric surgery rates in underserved populations with obesity and diabetes. It is vital to improve surgery access to this population to promote health equity.0 Comments 0 Shares 173 Views 0 Reviews -
Furthermore, we list some small molecules that target the kinases and may inhibit Wnt/β-catenin signaling, to offer new perspectives for preclinical and clinical HCC studies.Pd-catalyzed Negishi cross-coupling reactions between organozinc compounds and (hetero)aryl bromides have been reported when using bulk water as the reaction medium in the presence of NaCl or the biodegradable choline chloride/urea eutectic mixture. Both C(sp3 )-C(sp2 ) and C(sp2 )-C(sp2 ) couplings have been found to proceed smoothly, with high chemoselectivity, under mild conditions (room temperature or 60 °C) in air, and in competition with protonolysis. Additional benefits include very short reaction times (20 s), good to excellent yields (up to 98 %), wide substrate scope, and the tolerance of a variety of functional groups. The proposed novel protocol is scalable, and the practicability of the method is further highlighted by an easy recycling of both the catalyst and the eutectic mixture or water.
Cognitive Behavioural Therapy for Psychosis (CBTp) demonstrates variable and at times mild to moderate effect sizes; thus, its therapeutic processes are important to explore. Establishing a secure therapeutic relationship is one such key process where barriers may exist, including those related to psychotic symptoms and associated stigma. This review synthesizes the available qualitative research pertaining to the experience of the therapeutic relationship from the perspective of those experiencing psychosis.
A systematic review was undertaken using PRISMA guidelines. Search terms included variants of 'psychosis', 'therapy' and 'qualitative'. PsycInfo, CINAHL, EmBase, MedLine and Web of Science were searched, and reference lists were hand-scanned. Yardley's quality appraisal tool was utilized and Noblit and Hare's seven-stage process for conducting a meta-ethnographic review. https://www.selleckchem.com/products/tubastatin-a.html A line-of-argument synthesis is presented.
Fourteen papers were identified using inclusion and exclusion criteria. Twelve papers were deemed to have satisfactory quality. The line-of-argument synthesis used attachment theory to propose four semi-distinct stages to establishing a therapeutic relationship beginning; safety, hope and trust; the practicalities of therapy; and branching out. Findings suggest that the therapist's persona and use of CBTp techniques such as collaboration and shared agency over the process were important in establishing for the patient a sense of self as normal, equal and worthwhile.
Attachment security may be an important strand of CBTp and warrants further research and clinical investigation as a process and an outcome. Future research can benefit from increased transparency regarding researcher positionality as a potential source of bias.
Attachment security may be an important strand of CBTp and warrants further research and clinical investigation as a process and an outcome. Future research can benefit from increased transparency regarding researcher positionality as a potential source of bias.Multicompartment diffusion magnetic resonance imaging (MRI) approaches are increasingly being applied to estimate intra-axonal and extra-axonal diffusion characteristics in the human brain. Fiber ball imaging (FBI) and its extension fiber ball white matter modeling (FBWM) are such recently described multicompartment approaches. However, these particular approaches have yet to be applied in clinical cohorts. The modeling of several diffusion parameters with interpretable biological meaning may offer the development of new, noninvasive biomarkers of pharmacoresistance in epilepsy. In the present study, we used FBI and FBWM to evaluate intra-axonal and extra-axonal diffusion properties of white matter tracts in patients with longstanding focal epilepsy. FBI/FBWM diffusion parameters were calculated along the length of 50 white matter tract bundles and statistically compared between patients with refractory epilepsy, nonrefractory epilepsy and controls. We report that patients with chronic epilepsy had a widespread distribution of extra-axonal diffusivity relative to controls, particularly in circumscribed regions along white matter tracts projecting to cerebral cortex from thalamic, striatal, brainstem, and peduncular regions. Patients with refractory epilepsy had significantly greater markers of extra-axonal diffusivity compared to those with nonrefractory epilepsy. The extra-axonal diffusivity alterations in patients with epilepsy observed in the present study could be markers of neuroinflammatory processes or a reflection of reduced axonal density, both of which have been histologically demonstrated in focal epilepsy. FBI is a clinically feasible MRI approach that provides the basis for more interpretive conclusions about the microstructural environment of the brain and may represent a unique biomarker of pharmacoresistance in epilepsy.Epidemiological evidences have indicated that fine particulate matter (PM2.5 ) exposure is associated with the occurrence and development of hypertension. The present study aims to explore the effects of parental PM2.5 exposure on blood pressure in offspring and elucidate the potential mechanism. The parental male and female C57BL/6 **** were exposed to concentrated PM2.5 or filtered air (FA) using Shanghai Meteorological and Environmental Animal Exposure System (Shanghai-METAS) for 16 weeks. At week 12, the **** were assigned to breed offspring. The male offspring **** were further exposed to PM2.5 or FA as above method. During the parental exposure, the average PM2.5 concentration was 133.7 ± 53.32 μg/m3 in PM chamber, whereas the average concentration in FA chamber was 9.4 ± 0.23 μg/m3 . Similarly, during the offspring exposure, the average concentration in PM and FA chamber were 100.76 ± 26.97 μg/m3 and 9.15 ± 0.15 μg/m3 , respectively. The PM2.5 -exposed offspring **** displayed the elevation of blood pressure, the increase of angiotensin II (Ang II), the decrease of angiotensin converting enzyme 2 (ACE2) and Ang (1-7) in serum when compared with the FA-exposed offspring ****. The similar results displayed in the proteins expression of ACE2, AT1R, and Ang (1-7) in vessel and kidney. More importantly, parental PM exposure further induced the increase in serous Ang II and the protein expression of AT1R in vessel, but decrease in ACE2 and Ang (1-7). The serous Ang II was positively associated with splenic T helper type 17 (Th17) cell population and serous IL (interleukin)-17A, but negatively associated with T regular (Treg) cell population and serous IL-10. The results suggested that parental air pollution exposure might induce the elevation of offspring blood pressure via mediate Th17- and Treg-related immune microenvironment.
Furthermore, we list some small molecules that target the kinases and may inhibit Wnt/β-catenin signaling, to offer new perspectives for preclinical and clinical HCC studies.Pd-catalyzed Negishi cross-coupling reactions between organozinc compounds and (hetero)aryl bromides have been reported when using bulk water as the reaction medium in the presence of NaCl or the biodegradable choline chloride/urea eutectic mixture. Both C(sp3 )-C(sp2 ) and C(sp2 )-C(sp2 ) couplings have been found to proceed smoothly, with high chemoselectivity, under mild conditions (room temperature or 60 °C) in air, and in competition with protonolysis. Additional benefits include very short reaction times (20 s), good to excellent yields (up to 98 %), wide substrate scope, and the tolerance of a variety of functional groups. The proposed novel protocol is scalable, and the practicability of the method is further highlighted by an easy recycling of both the catalyst and the eutectic mixture or water. Cognitive Behavioural Therapy for Psychosis (CBTp) demonstrates variable and at times mild to moderate effect sizes; thus, its therapeutic processes are important to explore. Establishing a secure therapeutic relationship is one such key process where barriers may exist, including those related to psychotic symptoms and associated stigma. This review synthesizes the available qualitative research pertaining to the experience of the therapeutic relationship from the perspective of those experiencing psychosis. A systematic review was undertaken using PRISMA guidelines. Search terms included variants of 'psychosis', 'therapy' and 'qualitative'. PsycInfo, CINAHL, EmBase, MedLine and Web of Science were searched, and reference lists were hand-scanned. Yardley's quality appraisal tool was utilized and Noblit and Hare's seven-stage process for conducting a meta-ethnographic review. https://www.selleckchem.com/products/tubastatin-a.html A line-of-argument synthesis is presented. Fourteen papers were identified using inclusion and exclusion criteria. Twelve papers were deemed to have satisfactory quality. The line-of-argument synthesis used attachment theory to propose four semi-distinct stages to establishing a therapeutic relationship beginning; safety, hope and trust; the practicalities of therapy; and branching out. Findings suggest that the therapist's persona and use of CBTp techniques such as collaboration and shared agency over the process were important in establishing for the patient a sense of self as normal, equal and worthwhile. Attachment security may be an important strand of CBTp and warrants further research and clinical investigation as a process and an outcome. Future research can benefit from increased transparency regarding researcher positionality as a potential source of bias. Attachment security may be an important strand of CBTp and warrants further research and clinical investigation as a process and an outcome. Future research can benefit from increased transparency regarding researcher positionality as a potential source of bias.Multicompartment diffusion magnetic resonance imaging (MRI) approaches are increasingly being applied to estimate intra-axonal and extra-axonal diffusion characteristics in the human brain. Fiber ball imaging (FBI) and its extension fiber ball white matter modeling (FBWM) are such recently described multicompartment approaches. However, these particular approaches have yet to be applied in clinical cohorts. The modeling of several diffusion parameters with interpretable biological meaning may offer the development of new, noninvasive biomarkers of pharmacoresistance in epilepsy. In the present study, we used FBI and FBWM to evaluate intra-axonal and extra-axonal diffusion properties of white matter tracts in patients with longstanding focal epilepsy. FBI/FBWM diffusion parameters were calculated along the length of 50 white matter tract bundles and statistically compared between patients with refractory epilepsy, nonrefractory epilepsy and controls. We report that patients with chronic epilepsy had a widespread distribution of extra-axonal diffusivity relative to controls, particularly in circumscribed regions along white matter tracts projecting to cerebral cortex from thalamic, striatal, brainstem, and peduncular regions. Patients with refractory epilepsy had significantly greater markers of extra-axonal diffusivity compared to those with nonrefractory epilepsy. The extra-axonal diffusivity alterations in patients with epilepsy observed in the present study could be markers of neuroinflammatory processes or a reflection of reduced axonal density, both of which have been histologically demonstrated in focal epilepsy. FBI is a clinically feasible MRI approach that provides the basis for more interpretive conclusions about the microstructural environment of the brain and may represent a unique biomarker of pharmacoresistance in epilepsy.Epidemiological evidences have indicated that fine particulate matter (PM2.5 ) exposure is associated with the occurrence and development of hypertension. The present study aims to explore the effects of parental PM2.5 exposure on blood pressure in offspring and elucidate the potential mechanism. The parental male and female C57BL/6 mice were exposed to concentrated PM2.5 or filtered air (FA) using Shanghai Meteorological and Environmental Animal Exposure System (Shanghai-METAS) for 16 weeks. At week 12, the mice were assigned to breed offspring. The male offspring mice were further exposed to PM2.5 or FA as above method. During the parental exposure, the average PM2.5 concentration was 133.7 ± 53.32 μg/m3 in PM chamber, whereas the average concentration in FA chamber was 9.4 ± 0.23 μg/m3 . Similarly, during the offspring exposure, the average concentration in PM and FA chamber were 100.76 ± 26.97 μg/m3 and 9.15 ± 0.15 μg/m3 , respectively. The PM2.5 -exposed offspring mice displayed the elevation of blood pressure, the increase of angiotensin II (Ang II), the decrease of angiotensin converting enzyme 2 (ACE2) and Ang (1-7) in serum when compared with the FA-exposed offspring mice. The similar results displayed in the proteins expression of ACE2, AT1R, and Ang (1-7) in vessel and kidney. More importantly, parental PM exposure further induced the increase in serous Ang II and the protein expression of AT1R in vessel, but decrease in ACE2 and Ang (1-7). The serous Ang II was positively associated with splenic T helper type 17 (Th17) cell population and serous IL (interleukin)-17A, but negatively associated with T regular (Treg) cell population and serous IL-10. The results suggested that parental air pollution exposure might induce the elevation of offspring blood pressure via mediate Th17- and Treg-related immune microenvironment.0 Comments 0 Shares 151 Views 0 Reviews -
The creation and detection of spatial modes of light with transient orbital angular momentum (OAM) properties is of critical importance in a number of applications in sensing and light matter interactions. Most methods are limited in their frequency response as a result of their modulation techniques. In this paper, a new method is introduced for the coherent detection of transient properties of OAM using a single pixel detector system for the creation of an OAM spectrogram. This technique is based on the ideas utilized in acousto-optic based optical correlators with log-polar optical elements for the creation and detection of higher order bessel beams integrated in time (HOBBIT) at MHz data rates. Results are provided for beams with time varying OAM, coherent combinations, and transient scattering by phase objects.This paper proposes a probabilistic shaping orthogonal frequency division multiplexing passive optical network (PS-OFDM-PON) based on chaotic constant composition distribution matching (CCDM). With the implementation of a four-dimensional hyperchaotic Lv system, probabilistic shaping and chaotic encryption are realized with low complexity on the process of signal modulation, so as to enhance the system performance in the presence of bit error rate (BER) and security. An 8.9 Gb/s encrypted PS-16 quadrature amplitude modulation (QAM)-OFDM signal transmission over a 25 km standard single mode fiber (SSMF) is experimentally demonstrated. And experimental results indicate that compared with conventional uniform 16QAM-OFDM, the encrypted PS-16QAM-OFDM can obtain a 1.2 dB gain in receiver sensitivity at a BER of 10-3 under the same bit rate. Moreover, the key space of the proposed scheme is 1.98 × 1073, which is a large enough number to effectively guard against any malicious attacks from illegal optical network units (ONUs). The combined superiority of BER and security performance enables a promising prospect for the proposed PS chaotic encryption scheme in a future low-cost optical access network.Structural, Thermal, and Optical Performance (STOP) analysis is important for understanding the dynamics and for predicting the performance of a large number of optical systems whose proper functioning is negatively influenced by thermally induced aberrations. Furthermore, STOP models are being used to design and test passive and active methods for the compensation of thermally induced aberrations. However, in many cases and scenarios, the lack of precise knowledge of system parameters and equations governing the dynamics of thermally induced aberrations can significantly deteriorate the prediction accuracy of STOP models. In such cases, STOP models and underlying parameters need to be estimated from the data. To the best of our knowledge, the problem of estimating transient state-space STOP models from the experimental data has not received significant attention. Similarly, little attention has been dedicated to the related problem of obtaining low-dimensional state-space models of thermally induced aberrations that can be used for the design of high-performance model-based control and estimation algorithms. Motivated by this, in this manuscript, we present a numerical proof of principle for estimating low-dimensional state-space models of thermally induced aberrations and for characterizing the transient dynamics. Our approach is based on the COMSOL Multiphysics simulation framework for generating the test data and on a system identification approach. We numerically test our method on a lens system with a temperature-dependent refractive index that is used in high-power laser systems. The dynamics of such a system is complex and described by the coupling of thermal, structural, and ray-tracing models. The approach proposed in this paper can be generalized to other types of optical systems.In the second-harmonic generation processes involving Laguerre-Gaussian (LG) beams, the generated second-harmonic wave is generally composed of multiple modes with different radial quantum numbers. To generate single-mode second-harmonic LG beams, a type of improved quasi-phase-matching method is proposed. The Gouy phase shift has been considered in the optical superlattice designing and an adjustment phase item is introduced. By changing the structure parameters, each target mode can be phase-matched selectively, whose purity can reach up to 95%. The single LG mode generated from the optical superlattice can be modulated separately and used as the input signals in the mode division multiplexing system.Multimode based polarization independent (PI) wavelength division multiplexing (WDM) devices are proposed and experimentally demonstrated. The key concept is to utilize two different order modes for the orthogonal polarizations, ith-order mode for TE and jth-order mode for TM (i ≠ j) polarization respectively to extend the flexibility for designing devices. PI coupler composed of a multimode directional coupler and mode converters is introduced as a basic device. Then, we apply PI coupler to **** Zehnder interferometer (MZI) and Bragg grating bandpass filters. PI MZI is achieved by optimizing the combination of two phase shifters in the interferometer arms. PI bandpass uses 3dB-PI coupler and polarization rotate Bragg gratings that induce mode coupling between the polarizations. Each device showed good matching in the spectrum between TE and TM polarizations in term of operation wavelength. The proposed concept can be a promising approach to realize PI WDM functions without introducing polarization diversity scheme in which a polarization beam splitter, two devices designed for each polarization and a polarization beam combiner are required.We experimentally demonstrate a free-space data transmission system in an indoor simulated smoke chamber with a laser carrier of an erbium-doped actively mode-locked fiber laser and a holmium-doped actively mode-locked fiber laser. Two additional semiconductor lasers operating at 0.85 and 1.06 µm are used to calibrate the visibility of a smoke channel using the Ijaz model and compare smoke attenuation with 1.55 and 2.04 µm lasers. https://www.selleckchem.com/products/ory-1001-rg-6016.html The eye patterns and bit error rates of 1.55 and 2.04 µm laser carriers with a data rate of 4.04 Gbps are investigated experimentally at 0.5, 0.05, and 0.005 km visibilities. The experimental results show that the smoke attenuation is wavelength dependent for V less then 0.5 km. As the visibility decreases, the long wavelength laser is less affected by the attenuation and power fluctuation caused by Mie scattering. The measured optical signal-to-noise ratios of the 1.55 and 2.04 µm laser carriers for V = 0.005 km are 4.83 and 8.62 dB, respectively. The corresponding link sensitivities are -14.
The creation and detection of spatial modes of light with transient orbital angular momentum (OAM) properties is of critical importance in a number of applications in sensing and light matter interactions. Most methods are limited in their frequency response as a result of their modulation techniques. In this paper, a new method is introduced for the coherent detection of transient properties of OAM using a single pixel detector system for the creation of an OAM spectrogram. This technique is based on the ideas utilized in acousto-optic based optical correlators with log-polar optical elements for the creation and detection of higher order bessel beams integrated in time (HOBBIT) at MHz data rates. Results are provided for beams with time varying OAM, coherent combinations, and transient scattering by phase objects.This paper proposes a probabilistic shaping orthogonal frequency division multiplexing passive optical network (PS-OFDM-PON) based on chaotic constant composition distribution matching (CCDM). With the implementation of a four-dimensional hyperchaotic Lv system, probabilistic shaping and chaotic encryption are realized with low complexity on the process of signal modulation, so as to enhance the system performance in the presence of bit error rate (BER) and security. An 8.9 Gb/s encrypted PS-16 quadrature amplitude modulation (QAM)-OFDM signal transmission over a 25 km standard single mode fiber (SSMF) is experimentally demonstrated. And experimental results indicate that compared with conventional uniform 16QAM-OFDM, the encrypted PS-16QAM-OFDM can obtain a 1.2 dB gain in receiver sensitivity at a BER of 10-3 under the same bit rate. Moreover, the key space of the proposed scheme is 1.98 × 1073, which is a large enough number to effectively guard against any malicious attacks from illegal optical network units (ONUs). The combined superiority of BER and security performance enables a promising prospect for the proposed PS chaotic encryption scheme in a future low-cost optical access network.Structural, Thermal, and Optical Performance (STOP) analysis is important for understanding the dynamics and for predicting the performance of a large number of optical systems whose proper functioning is negatively influenced by thermally induced aberrations. Furthermore, STOP models are being used to design and test passive and active methods for the compensation of thermally induced aberrations. However, in many cases and scenarios, the lack of precise knowledge of system parameters and equations governing the dynamics of thermally induced aberrations can significantly deteriorate the prediction accuracy of STOP models. In such cases, STOP models and underlying parameters need to be estimated from the data. To the best of our knowledge, the problem of estimating transient state-space STOP models from the experimental data has not received significant attention. Similarly, little attention has been dedicated to the related problem of obtaining low-dimensional state-space models of thermally induced aberrations that can be used for the design of high-performance model-based control and estimation algorithms. Motivated by this, in this manuscript, we present a numerical proof of principle for estimating low-dimensional state-space models of thermally induced aberrations and for characterizing the transient dynamics. Our approach is based on the COMSOL Multiphysics simulation framework for generating the test data and on a system identification approach. We numerically test our method on a lens system with a temperature-dependent refractive index that is used in high-power laser systems. The dynamics of such a system is complex and described by the coupling of thermal, structural, and ray-tracing models. The approach proposed in this paper can be generalized to other types of optical systems.In the second-harmonic generation processes involving Laguerre-Gaussian (LG) beams, the generated second-harmonic wave is generally composed of multiple modes with different radial quantum numbers. To generate single-mode second-harmonic LG beams, a type of improved quasi-phase-matching method is proposed. The Gouy phase shift has been considered in the optical superlattice designing and an adjustment phase item is introduced. By changing the structure parameters, each target mode can be phase-matched selectively, whose purity can reach up to 95%. The single LG mode generated from the optical superlattice can be modulated separately and used as the input signals in the mode division multiplexing system.Multimode based polarization independent (PI) wavelength division multiplexing (WDM) devices are proposed and experimentally demonstrated. The key concept is to utilize two different order modes for the orthogonal polarizations, ith-order mode for TE and jth-order mode for TM (i ≠ j) polarization respectively to extend the flexibility for designing devices. PI coupler composed of a multimode directional coupler and mode converters is introduced as a basic device. Then, we apply PI coupler to Mach Zehnder interferometer (MZI) and Bragg grating bandpass filters. PI MZI is achieved by optimizing the combination of two phase shifters in the interferometer arms. PI bandpass uses 3dB-PI coupler and polarization rotate Bragg gratings that induce mode coupling between the polarizations. Each device showed good matching in the spectrum between TE and TM polarizations in term of operation wavelength. The proposed concept can be a promising approach to realize PI WDM functions without introducing polarization diversity scheme in which a polarization beam splitter, two devices designed for each polarization and a polarization beam combiner are required.We experimentally demonstrate a free-space data transmission system in an indoor simulated smoke chamber with a laser carrier of an erbium-doped actively mode-locked fiber laser and a holmium-doped actively mode-locked fiber laser. Two additional semiconductor lasers operating at 0.85 and 1.06 µm are used to calibrate the visibility of a smoke channel using the Ijaz model and compare smoke attenuation with 1.55 and 2.04 µm lasers. https://www.selleckchem.com/products/ory-1001-rg-6016.html The eye patterns and bit error rates of 1.55 and 2.04 µm laser carriers with a data rate of 4.04 Gbps are investigated experimentally at 0.5, 0.05, and 0.005 km visibilities. The experimental results show that the smoke attenuation is wavelength dependent for V less then 0.5 km. As the visibility decreases, the long wavelength laser is less affected by the attenuation and power fluctuation caused by Mie scattering. The measured optical signal-to-noise ratios of the 1.55 and 2.04 µm laser carriers for V = 0.005 km are 4.83 and 8.62 dB, respectively. The corresponding link sensitivities are -14.0 Comments 0 Shares 153 Views 0 Reviews -
A healthy physiological environment of cells represents the dynamic homeostasis of crowded molecules. A subset of cellular proteome forms protein quality control (PQC) machinery to maintain an uninterrupted synthesis of new polypeptides and targeted elimination of old or defective proteins. The process of PQC may get overwhelmed under specific genetic mutations, environmental stress conditions, and aging-associated perturbances. Many of these conditions may lead to the generation of various types of aberrant protein species that may or may not accumulate as large cellular inclusions. These proteinaceous formations, referred to as inclusion bodies (IBs), could be membrane-bound or membrane-less, cytoplasmic, or nuclear. Most importantly, they could either be toxic or protective. Under acute stress conditions, the formation of aggregates may cause proteostasis failure, leading to large-scale changes in the cellular proteome compositions. However, the large insoluble IBs may act as reservoirs for many soluble proteins with high aggregation propensities, which can overwhelm the cellular chaperoning capacity and protein degradation machinery. https://www.selleckchem.com/products/uc2288.html The kinetic equilibrium between folding and unfolding, misfolding, and refolding; aggregation and degradation is perturbed in one or many neurodegenerative disorders (NDDs) associated with dementia, cognitive impairments, movement, and behavioural losses. However, a detailed interplay of IBs into the manifestation of the NDDs is unknown, and a very primitive knowledge of structural compositions of amyloid inclusions is present. The present article presents a brief evolutionary background of IBs; their functional relevance for prokaryotes, plants, and animals; and associated involvement in neuronal proteostasis.
Although the restoration of quadriceps strength symmetry is a primary rehabilitation goal after anterior cruciate ligament reconstruction (ACLR), little is known about the potential relationship between quadriceps strength symmetry and psychological readiness to return to play (RTP).
Quadriceps strength symmetry will be associated with psychological readiness to RTP after ACLR. Secondarily, injury mechanism will influence the association between quadriceps strength and psychological readiness to RTP.
Retrospective cohort.
Level 3 (cohort study).
A total of 78 female patients completed strength testing and the Injury-Psychological Readiness to Return to Sport (I-PRRS) scale at an outpatient clinical facility as part of return to sport testing after ACLR. Linear regression analysis was used to assess the relationship between the I-PRRS and the independent variables of interest (quadriceps strength symmetry and injury mechanism).
For all patients combined, a significant symmetry × mechanism interaction was found. When split by injury mechanism, a significant linear relationship was found between quadriceps strength symmetry and the I-PRRS score in patients who experienced a noncontact injury (n = 55;
= 0.01;
= 0.24). No such relationship was found for those who experienced a contact injury (n = 23;
= 0.97;
= 0.01).
Greater quadriceps strength symmetry was associated with greater psychological readiness to RTP in female athletes after ACLR. This relationship, however, was present only in those who experienced a noncontact injury.
Clinicians should consider both the physical and the psychological factors in assessing a patient's readiness to RTP. This may be particularly important for those who have experienced an ACL tear through a noncontact mechanism.
Clinicians should consider both the physical and the psychological factors in assessing a patient's readiness to RTP. This may be particularly important for those who have experienced an ACL tear through a noncontact mechanism.Cesarean section results in scarring, which usually leads to adhesion between the subcutaneous fat and the abdominal wall muscle. The present study aimed to evaluate the therapeutic effect of autologous fat grafting on scar adhesion to the abdominal wall after cesarean section. Thirty-six patients with scar adhesion to the abdominal wall after cesarean section were recruited and treated between October 2013 and December 2015. The adhesion between the subcutaneous fat and the abdominal wall muscle was carefully separated through a small incision in the original scar to form multiple subcutaneous tunnels. Aspirated fat was injected into the scar lesion and subcutaneous tunnels, and the wound was then sutured. The clinical outcome was evaluated by comparing the pretreatment and 1-year posttreatment photographs and Patient and Observer Scar Assessment Scale (POSAS) scores. All patients had a marked improvement in the appearance, texture, and depression of the scar during 12 months of follow-up. The 1-year posttreatment POSAS scores for the color, pain, pruritus, hardness, fullness, mobility, and appearance of the scar were significantly decreased compared with the pretreatment scores. Hematoxylin-eosin staining revealed adipocyte-like cells in treated scar tissue specimens obtained 1 year after treatment. None of the patients reported severe adverse reactions. Autologous fat grafting combined with adhesion release may be a good treatment option for abdominal wall scarring after cesarean section. This method is minimally invasive and effective in achieving good functional and esthetic outcomes.Background. In minimally invasive surgery (MIS), the loss of stereoscopic depth perception in a two-dimensional (2D) representation is most challenging. Recently introduced 4K ultrahigh definition (UHD) 2D optical systems could potentially facilitate the learning and use of compensation mechanisms for the loss of depth perception. However, the role of the new 4K technology against three dimensional (3D) in learning and implementation of MIS remains unknown. The aim of this trial was to determine the influence of 4K UHD 2D vs 3D HD representation on the acquisition of MIS skills. Methods. This was a prospective randomized study involving 62 MIS-inexperienced study participants. We compared a laparoscopic 4K UHD 2D (system A) vs a laparoscopic 3D HD system (system B) for differences in learning MIS skills using the Lü**** Toolbox (LTB) video box trainer. We evaluated participants' performance regarding the repetitions required to reach the goal of each LTB task. Results. Comparing systems A and B, participants using the laparoscopic 3D system required fewer repetitions to achieve goals of LTB tasks No.
A healthy physiological environment of cells represents the dynamic homeostasis of crowded molecules. A subset of cellular proteome forms protein quality control (PQC) machinery to maintain an uninterrupted synthesis of new polypeptides and targeted elimination of old or defective proteins. The process of PQC may get overwhelmed under specific genetic mutations, environmental stress conditions, and aging-associated perturbances. Many of these conditions may lead to the generation of various types of aberrant protein species that may or may not accumulate as large cellular inclusions. These proteinaceous formations, referred to as inclusion bodies (IBs), could be membrane-bound or membrane-less, cytoplasmic, or nuclear. Most importantly, they could either be toxic or protective. Under acute stress conditions, the formation of aggregates may cause proteostasis failure, leading to large-scale changes in the cellular proteome compositions. However, the large insoluble IBs may act as reservoirs for many soluble proteins with high aggregation propensities, which can overwhelm the cellular chaperoning capacity and protein degradation machinery. https://www.selleckchem.com/products/uc2288.html The kinetic equilibrium between folding and unfolding, misfolding, and refolding; aggregation and degradation is perturbed in one or many neurodegenerative disorders (NDDs) associated with dementia, cognitive impairments, movement, and behavioural losses. However, a detailed interplay of IBs into the manifestation of the NDDs is unknown, and a very primitive knowledge of structural compositions of amyloid inclusions is present. The present article presents a brief evolutionary background of IBs; their functional relevance for prokaryotes, plants, and animals; and associated involvement in neuronal proteostasis. Although the restoration of quadriceps strength symmetry is a primary rehabilitation goal after anterior cruciate ligament reconstruction (ACLR), little is known about the potential relationship between quadriceps strength symmetry and psychological readiness to return to play (RTP). Quadriceps strength symmetry will be associated with psychological readiness to RTP after ACLR. Secondarily, injury mechanism will influence the association between quadriceps strength and psychological readiness to RTP. Retrospective cohort. Level 3 (cohort study). A total of 78 female patients completed strength testing and the Injury-Psychological Readiness to Return to Sport (I-PRRS) scale at an outpatient clinical facility as part of return to sport testing after ACLR. Linear regression analysis was used to assess the relationship between the I-PRRS and the independent variables of interest (quadriceps strength symmetry and injury mechanism). For all patients combined, a significant symmetry × mechanism interaction was found. When split by injury mechanism, a significant linear relationship was found between quadriceps strength symmetry and the I-PRRS score in patients who experienced a noncontact injury (n = 55; = 0.01; = 0.24). No such relationship was found for those who experienced a contact injury (n = 23; = 0.97; = 0.01). Greater quadriceps strength symmetry was associated with greater psychological readiness to RTP in female athletes after ACLR. This relationship, however, was present only in those who experienced a noncontact injury. Clinicians should consider both the physical and the psychological factors in assessing a patient's readiness to RTP. This may be particularly important for those who have experienced an ACL tear through a noncontact mechanism. Clinicians should consider both the physical and the psychological factors in assessing a patient's readiness to RTP. This may be particularly important for those who have experienced an ACL tear through a noncontact mechanism.Cesarean section results in scarring, which usually leads to adhesion between the subcutaneous fat and the abdominal wall muscle. The present study aimed to evaluate the therapeutic effect of autologous fat grafting on scar adhesion to the abdominal wall after cesarean section. Thirty-six patients with scar adhesion to the abdominal wall after cesarean section were recruited and treated between October 2013 and December 2015. The adhesion between the subcutaneous fat and the abdominal wall muscle was carefully separated through a small incision in the original scar to form multiple subcutaneous tunnels. Aspirated fat was injected into the scar lesion and subcutaneous tunnels, and the wound was then sutured. The clinical outcome was evaluated by comparing the pretreatment and 1-year posttreatment photographs and Patient and Observer Scar Assessment Scale (POSAS) scores. All patients had a marked improvement in the appearance, texture, and depression of the scar during 12 months of follow-up. The 1-year posttreatment POSAS scores for the color, pain, pruritus, hardness, fullness, mobility, and appearance of the scar were significantly decreased compared with the pretreatment scores. Hematoxylin-eosin staining revealed adipocyte-like cells in treated scar tissue specimens obtained 1 year after treatment. None of the patients reported severe adverse reactions. Autologous fat grafting combined with adhesion release may be a good treatment option for abdominal wall scarring after cesarean section. This method is minimally invasive and effective in achieving good functional and esthetic outcomes.Background. In minimally invasive surgery (MIS), the loss of stereoscopic depth perception in a two-dimensional (2D) representation is most challenging. Recently introduced 4K ultrahigh definition (UHD) 2D optical systems could potentially facilitate the learning and use of compensation mechanisms for the loss of depth perception. However, the role of the new 4K technology against three dimensional (3D) in learning and implementation of MIS remains unknown. The aim of this trial was to determine the influence of 4K UHD 2D vs 3D HD representation on the acquisition of MIS skills. Methods. This was a prospective randomized study involving 62 MIS-inexperienced study participants. We compared a laparoscopic 4K UHD 2D (system A) vs a laparoscopic 3D HD system (system B) for differences in learning MIS skills using the Lübeck Toolbox (LTB) video box trainer. We evaluated participants' performance regarding the repetitions required to reach the goal of each LTB task. Results. Comparing systems A and B, participants using the laparoscopic 3D system required fewer repetitions to achieve goals of LTB tasks No.0 Comments 0 Shares 233 Views 0 Reviews -
ble and well perceived by all patients. Future studies need to evaluate the impact of home monitoring on patient outcome as well as the cost-effectiveness of this new approach.
Remote monitoring of vital signs combined with telephone support from the surgical team was feasible and well perceived by all patients. Future studies need to evaluate the impact of home monitoring on patient outcome as well as the cost-effectiveness of this new approach.
Telehealth is a disruptive modality that challenges the traditional model of having a clinician or patient physically present for an appointment. The benefit is that it offers the opportunity to redesign the way services are offered. For instance, a virtual health practitioner can provide videoconference consultations while being located anywhere in the world that has internet. A virtual health practitioner also obviates the issues of attracting a specialist medical workforce to rural areas, and allows the rural health service to control the specialist services that they offer.
The aim of this research was to evaluate the economic effects of 3 different models of care on rural and metropolitan hospital sites. The models of care examined were patient travel, telehealth using videoconferencing, and employment of a virtual health practitioner by a rural site.
Using retrospective activity data for 3 years, a return on investment (ROI) analysis was undertaken from the perspective of a rural site and metropolitan partner site using a telehealth orthopedic fracture clinic as an example. Further analysis was conducted to calculate the number of patients that would be required to attend the clinic in each model of care for the sites to break even.
The only service model that resulted in a positive ROI for the rural site over the 3-year period was the virtual health practitioner model. The breakeven analysis demonstrated that the rural site required the lowest number of patients to recoup costs in the virtual health practitioner model of care. The rural site was unable to recoup its costs within the travel model due to the lack of opportunity for reimbursement for services and the requirement to cover the cost of travel for patients.
Our model demonstrated that rural health care providers can increase their ROI by employing a virtual health practitioner.
Our model demonstrated that rural health care providers can increase their ROI by employing a virtual health practitioner.
Hernia repairs account for millions of general surgical procedures performed each year worldwide, with a notable shift to outpatient settings over the last decades. As technical possibilities such as smartphones, tablets, and different kinds of probes are becoming more and more available, such systems have been evaluated for applications in various clinical settings. However, there have been few studies conducted in the surgical field, especially in general surgery.
We aimed to assess the feasibility of a tablet-based follow up to monitor activity levels after repair of abdominal wall hernias and to evaluate a possible reduction of adverse events by their earlier recognition.
Patients scheduled for elective surgical repair of minor abdominal wall hernias (eg, inguinal, umbilical, or trocar hernias) were equipped with a telemonitoring system, including a tablet, pulse oximeter, and actimeter, for a monitoring phase of 7 days before and 30 days after surgery. Descriptive statistical analyses were performel hernias, with good adherence rates during the first couple of weeks after surgery. https://www.selleckchem.com/products/odm-201.html Thus, such a system could be a useful tool to supplement or even replace traditional outpatient follow up in selected general surgical patients.
Patient-reported outcome measures (PROMs) are important in clinical practice and research. The growth of electronic health technologies provides unprecedented opportunities to systematically collect information via PROMs.
The aim of this study was to provide an objective and comprehensive overview of the benefits, barriers, and disadvantages of the digital collection of qualitative electronic patient-reported outcome measures (ePROMs).
We performed a systematic review of articles retrieved from PubMED and Web of Science. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed during all stages. The search strategy yielded a total of 2333 records, from which 32 met the predefined inclusion and exclusion criteria. The relevant ePROM-related information was extracted from each study.
Results were clustered as benefits and disadvantages. Reported benefits of ePROMs were greater patient preference and acceptability, lower costs, similar or faster completion RO CRD42018094795; https//www.crd.york.ac.uk/prospero/display_record.php?RecordID=94795.Youth represent 21% of new HIV diagnoses in the United States. Gay, bisexual, and transgender (GBT) youth, particularly those from communities of color, and youth who are homeless, incarcerated, in institutional settings, or engaging in transactional sex are most greatly impacted. Compared with adults, youth have lower levels of HIV serostatus awareness, uptake of antiretroviral therapy (ART), and adherence. Widespread availability of ART has revolutionized prevention and treatment for both youth at high risk for HIV acquisition and youth living with HIV, increasing the need to integrate behavioral interventions with biomedical strategies. The investigators of the Adolescent Medicine Trials Network for HIV/AIDS Interventions (ATN) completed a research prioritization process in 2019, focusing on research gaps to be addressed to effectively control HIV spread among American youth. The investigators prioritized research in the following areas (1) innovative interventions for youth to increase screening, uptake, engagement, and retention in HIV prevention (eg, pre-exposure prophylaxis) and treatment services; (2) structural changes in health systems to facilitate routine delivery of HIV services; (3) biomedical strategies to increase ART impact, prevent HIV transmission, and cure HIV; (4) mobile technologies to reduce implementation costs and increase acceptability of HIV interventions; and (5) data-informed policies to reduce HIV-related disparities and increase support and services for GBT youth and youth living with HIV. ATN's research priorities provide a roadmap for addressing the HIV epidemic among youth. To reach this goal, researchers, policy makers, and health care providers must work together to develop, test, and disseminate novel biobehavioral interventions for youth.
ble and well perceived by all patients. Future studies need to evaluate the impact of home monitoring on patient outcome as well as the cost-effectiveness of this new approach. Remote monitoring of vital signs combined with telephone support from the surgical team was feasible and well perceived by all patients. Future studies need to evaluate the impact of home monitoring on patient outcome as well as the cost-effectiveness of this new approach. Telehealth is a disruptive modality that challenges the traditional model of having a clinician or patient physically present for an appointment. The benefit is that it offers the opportunity to redesign the way services are offered. For instance, a virtual health practitioner can provide videoconference consultations while being located anywhere in the world that has internet. A virtual health practitioner also obviates the issues of attracting a specialist medical workforce to rural areas, and allows the rural health service to control the specialist services that they offer. The aim of this research was to evaluate the economic effects of 3 different models of care on rural and metropolitan hospital sites. The models of care examined were patient travel, telehealth using videoconferencing, and employment of a virtual health practitioner by a rural site. Using retrospective activity data for 3 years, a return on investment (ROI) analysis was undertaken from the perspective of a rural site and metropolitan partner site using a telehealth orthopedic fracture clinic as an example. Further analysis was conducted to calculate the number of patients that would be required to attend the clinic in each model of care for the sites to break even. The only service model that resulted in a positive ROI for the rural site over the 3-year period was the virtual health practitioner model. The breakeven analysis demonstrated that the rural site required the lowest number of patients to recoup costs in the virtual health practitioner model of care. The rural site was unable to recoup its costs within the travel model due to the lack of opportunity for reimbursement for services and the requirement to cover the cost of travel for patients. Our model demonstrated that rural health care providers can increase their ROI by employing a virtual health practitioner. Our model demonstrated that rural health care providers can increase their ROI by employing a virtual health practitioner. Hernia repairs account for millions of general surgical procedures performed each year worldwide, with a notable shift to outpatient settings over the last decades. As technical possibilities such as smartphones, tablets, and different kinds of probes are becoming more and more available, such systems have been evaluated for applications in various clinical settings. However, there have been few studies conducted in the surgical field, especially in general surgery. We aimed to assess the feasibility of a tablet-based follow up to monitor activity levels after repair of abdominal wall hernias and to evaluate a possible reduction of adverse events by their earlier recognition. Patients scheduled for elective surgical repair of minor abdominal wall hernias (eg, inguinal, umbilical, or trocar hernias) were equipped with a telemonitoring system, including a tablet, pulse oximeter, and actimeter, for a monitoring phase of 7 days before and 30 days after surgery. Descriptive statistical analyses were performel hernias, with good adherence rates during the first couple of weeks after surgery. https://www.selleckchem.com/products/odm-201.html Thus, such a system could be a useful tool to supplement or even replace traditional outpatient follow up in selected general surgical patients. Patient-reported outcome measures (PROMs) are important in clinical practice and research. The growth of electronic health technologies provides unprecedented opportunities to systematically collect information via PROMs. The aim of this study was to provide an objective and comprehensive overview of the benefits, barriers, and disadvantages of the digital collection of qualitative electronic patient-reported outcome measures (ePROMs). We performed a systematic review of articles retrieved from PubMED and Web of Science. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed during all stages. The search strategy yielded a total of 2333 records, from which 32 met the predefined inclusion and exclusion criteria. The relevant ePROM-related information was extracted from each study. Results were clustered as benefits and disadvantages. Reported benefits of ePROMs were greater patient preference and acceptability, lower costs, similar or faster completion RO CRD42018094795; https//www.crd.york.ac.uk/prospero/display_record.php?RecordID=94795.Youth represent 21% of new HIV diagnoses in the United States. Gay, bisexual, and transgender (GBT) youth, particularly those from communities of color, and youth who are homeless, incarcerated, in institutional settings, or engaging in transactional sex are most greatly impacted. Compared with adults, youth have lower levels of HIV serostatus awareness, uptake of antiretroviral therapy (ART), and adherence. Widespread availability of ART has revolutionized prevention and treatment for both youth at high risk for HIV acquisition and youth living with HIV, increasing the need to integrate behavioral interventions with biomedical strategies. The investigators of the Adolescent Medicine Trials Network for HIV/AIDS Interventions (ATN) completed a research prioritization process in 2019, focusing on research gaps to be addressed to effectively control HIV spread among American youth. The investigators prioritized research in the following areas (1) innovative interventions for youth to increase screening, uptake, engagement, and retention in HIV prevention (eg, pre-exposure prophylaxis) and treatment services; (2) structural changes in health systems to facilitate routine delivery of HIV services; (3) biomedical strategies to increase ART impact, prevent HIV transmission, and cure HIV; (4) mobile technologies to reduce implementation costs and increase acceptability of HIV interventions; and (5) data-informed policies to reduce HIV-related disparities and increase support and services for GBT youth and youth living with HIV. ATN's research priorities provide a roadmap for addressing the HIV epidemic among youth. To reach this goal, researchers, policy makers, and health care providers must work together to develop, test, and disseminate novel biobehavioral interventions for youth.0 Comments 0 Shares 213 Views 0 Reviews -
e. reliability) of QSAR-models. Here, the abilities of these criteria were studied for the case of building up models for skin sensitivity (LLNA, local lymph node assay). Computational experiments have confirmed that the IIC demonstrates an obvious ability to improve the predictive potential of models of skin sensitization. The applying of the CII for the case of skin sensitization also improves the quality of the model. However, the best models for skin sensitization were observed if the above-mentioned criteria are applied jointly (n = 268; R2 = 0.60; RMSE = 0.63).
To explore the approach to participant coenrolment in publicly funded randomized controlled trials (RCTs) and to consider its impact on study recruitment.
A cross-sectional study of the UK National Institute for Health Research Journals Library was undertaken. RCTs funded between 2010 and 2019 were eligible. The reporting of coenrolment criteria was assessed through inspection of publicly available study protocols. Where present, the approach to coenrolment was examined, including circumstances in which it was permitted/prohibited and the mechanism for decision-making. For completed RCTs, the impact on recruitment was explored by comparing rates of early recruitment (completion before the expected end date) and extensions (completion after the expected end date) between studies, which did and did not permit coenrolment.
Of 219 eligible protocols, coenrolment was addressed in 94 (42.9%). Twenty-three (24.5%) of these did not allow recruitment to multiple studies, while 71 (75.5%) permitted it according titment.
Characteristics and outcomes of patients with takotsubo syndrome remain to be defined. The goal of this study was to report the characteristics and long-term outcomes of patients presenting with takotsubo syndrome compared with other patients presenting with acute myocardial infarction (AMI) in a community-based population.
This retrospective population-based study included patients hospitalised for AMI from 2006 to 2016. Those patients with takotsubo syndrome were compared with the patients with AMI. https://www.selleckchem.com/products/sch-527123.html The primary outcome was all-cause mortality. Matching was performed to assemble a cohort of patients with similar baseline characteristics.
Among 26,016 patients hospitalised with an initial diagnosis of AMI, 530 (2.0%) were diagnosed with takotsubo syndrome. Patients with takotsubo syndrome were older (68.3 ± 11.3 vs 65.6 ± 12.2 years) and more likely to be women (93.4% vs 30.7%). Concomitant hypothyroidism, rheumatologic disorders, and lung disease were more prevalent in the takotsubo syndrome group, whereas diabetes and hyperlipidemia were less prevalent. Mortality was lower in the takotsubo syndrome group (1-year mortality 4.0% vs 8.9%; P < 0.001). The 530 patients with takotsubo syndrome were matched with 1,315 AMI patients with similar baseline characteristics. At a follow-up of 5.4 ± 3.3 years, patients with takotsubo syndrome had a lower risk for all-cause death than other patients who presented with AMI (hazard ratio 0.59, 95% CI 0.47-0.76).
Among patients presenting with AMI, patients with takotsubo syndrome were older and more likely to be women. Patients with takotsubo syndrome had better long-term outcomes compared with matched AMI patients.
Among patients presenting with AMI, patients with takotsubo syndrome were older and more likely to be women. Patients with takotsubo syndrome had better long-term outcomes compared with matched AMI patients.Carbapenem-resistant Gram-negative bacterial bloodstream infection (CRGNB-BSI) has become a rapidly growing global threat with limited antibiotic options and significant mortality. The aim of this study was to explore the antibiotic strategies and clinical outcomes of patients with CRGNB-BSI in Western China. We retrospectively investigated the demographic, microbiological and clinical characteristics of 355 patients with CRGNB-BSI from 2012-2017. Treatment failure and 28-day in-hospital mortality rates were 49.3% (175/355) and 23.7% (84/355), respectively. The most frequently isolated micro-organism was Acinetobacter baumannii (58.6%; 208/355). Patients with treatment failure had higher procalcitonin and interleukin-6 levels (P 0.05). Multivariable analysis revealed that multiple organ dysfunction syndrome (MODS) (OR = 2.226, 95% CI 1.376-3.602; P = 0.001) and intensive care unit (ICU) admission (OR = 3.116, 95% CI 1.905-5.097; P = 0.000) were independent risk factors for treatment failure, whereas monotherapy (OR = 0.386, 95% CI 0.203-0.735; P = 0.004) had a protective effect. Survival analysis revealed that inappropriate therapy, MODS and ICU admission were associated with a higher 28-day in-hospital mortality rate (P less then 0.001). Combination antimicrobial therapy was not superior to monotherapy (P = 0.387). This study demonstrates that appropriate therapy is significantly associated with lower treatment failure and 28-day in-hospital mortality rates. Tigecycline might not be a suitable option for CRGBN-BSI. Patients with MODS and admitted to the ICU had poor clinical outcomes.
The purposes of this study were (1) to report functional outcomes; (2) to assess complications, revisions, and survival rate; and (3) to assess differences in functional outcomes between removed and retained radial head arthroplasties (RHAs), early and delayed treatment, and type of RHA used at long-term follow-up after monopolar RHA for unreconstructible radial head fractures or their sequelae.
Seventy-eight patients (mean age, 59.2 years) who were at least 6 years postoperatively after monopolar RHA for unreconstructible RHFs or their sequelae were included. The Mayo Elbow Performance Score (MEPS); Quick Disability of the Arm, Shoulder, and Hand (QuickDASH) score; visual analog scale; postoperative satisfaction (1-6, 6 = highly unsatisfied); range of motion; complications; and revisions were assessed. Radiographic findings were reported. Kaplan-Meier survival analysis was performed. Subgroups (RHA type, early vs. delayed surgery, RHA removed vs. retained) were compared.
At a median clinical follow-up of 9.
e. reliability) of QSAR-models. Here, the abilities of these criteria were studied for the case of building up models for skin sensitivity (LLNA, local lymph node assay). Computational experiments have confirmed that the IIC demonstrates an obvious ability to improve the predictive potential of models of skin sensitization. The applying of the CII for the case of skin sensitization also improves the quality of the model. However, the best models for skin sensitization were observed if the above-mentioned criteria are applied jointly (n = 268; R2 = 0.60; RMSE = 0.63). To explore the approach to participant coenrolment in publicly funded randomized controlled trials (RCTs) and to consider its impact on study recruitment. A cross-sectional study of the UK National Institute for Health Research Journals Library was undertaken. RCTs funded between 2010 and 2019 were eligible. The reporting of coenrolment criteria was assessed through inspection of publicly available study protocols. Where present, the approach to coenrolment was examined, including circumstances in which it was permitted/prohibited and the mechanism for decision-making. For completed RCTs, the impact on recruitment was explored by comparing rates of early recruitment (completion before the expected end date) and extensions (completion after the expected end date) between studies, which did and did not permit coenrolment. Of 219 eligible protocols, coenrolment was addressed in 94 (42.9%). Twenty-three (24.5%) of these did not allow recruitment to multiple studies, while 71 (75.5%) permitted it according titment. Characteristics and outcomes of patients with takotsubo syndrome remain to be defined. The goal of this study was to report the characteristics and long-term outcomes of patients presenting with takotsubo syndrome compared with other patients presenting with acute myocardial infarction (AMI) in a community-based population. This retrospective population-based study included patients hospitalised for AMI from 2006 to 2016. Those patients with takotsubo syndrome were compared with the patients with AMI. https://www.selleckchem.com/products/sch-527123.html The primary outcome was all-cause mortality. Matching was performed to assemble a cohort of patients with similar baseline characteristics. Among 26,016 patients hospitalised with an initial diagnosis of AMI, 530 (2.0%) were diagnosed with takotsubo syndrome. Patients with takotsubo syndrome were older (68.3 ± 11.3 vs 65.6 ± 12.2 years) and more likely to be women (93.4% vs 30.7%). Concomitant hypothyroidism, rheumatologic disorders, and lung disease were more prevalent in the takotsubo syndrome group, whereas diabetes and hyperlipidemia were less prevalent. Mortality was lower in the takotsubo syndrome group (1-year mortality 4.0% vs 8.9%; P < 0.001). The 530 patients with takotsubo syndrome were matched with 1,315 AMI patients with similar baseline characteristics. At a follow-up of 5.4 ± 3.3 years, patients with takotsubo syndrome had a lower risk for all-cause death than other patients who presented with AMI (hazard ratio 0.59, 95% CI 0.47-0.76). Among patients presenting with AMI, patients with takotsubo syndrome were older and more likely to be women. Patients with takotsubo syndrome had better long-term outcomes compared with matched AMI patients. Among patients presenting with AMI, patients with takotsubo syndrome were older and more likely to be women. Patients with takotsubo syndrome had better long-term outcomes compared with matched AMI patients.Carbapenem-resistant Gram-negative bacterial bloodstream infection (CRGNB-BSI) has become a rapidly growing global threat with limited antibiotic options and significant mortality. The aim of this study was to explore the antibiotic strategies and clinical outcomes of patients with CRGNB-BSI in Western China. We retrospectively investigated the demographic, microbiological and clinical characteristics of 355 patients with CRGNB-BSI from 2012-2017. Treatment failure and 28-day in-hospital mortality rates were 49.3% (175/355) and 23.7% (84/355), respectively. The most frequently isolated micro-organism was Acinetobacter baumannii (58.6%; 208/355). Patients with treatment failure had higher procalcitonin and interleukin-6 levels (P 0.05). Multivariable analysis revealed that multiple organ dysfunction syndrome (MODS) (OR = 2.226, 95% CI 1.376-3.602; P = 0.001) and intensive care unit (ICU) admission (OR = 3.116, 95% CI 1.905-5.097; P = 0.000) were independent risk factors for treatment failure, whereas monotherapy (OR = 0.386, 95% CI 0.203-0.735; P = 0.004) had a protective effect. Survival analysis revealed that inappropriate therapy, MODS and ICU admission were associated with a higher 28-day in-hospital mortality rate (P less then 0.001). Combination antimicrobial therapy was not superior to monotherapy (P = 0.387). This study demonstrates that appropriate therapy is significantly associated with lower treatment failure and 28-day in-hospital mortality rates. Tigecycline might not be a suitable option for CRGBN-BSI. Patients with MODS and admitted to the ICU had poor clinical outcomes. The purposes of this study were (1) to report functional outcomes; (2) to assess complications, revisions, and survival rate; and (3) to assess differences in functional outcomes between removed and retained radial head arthroplasties (RHAs), early and delayed treatment, and type of RHA used at long-term follow-up after monopolar RHA for unreconstructible radial head fractures or their sequelae. Seventy-eight patients (mean age, 59.2 years) who were at least 6 years postoperatively after monopolar RHA for unreconstructible RHFs or their sequelae were included. The Mayo Elbow Performance Score (MEPS); Quick Disability of the Arm, Shoulder, and Hand (QuickDASH) score; visual analog scale; postoperative satisfaction (1-6, 6 = highly unsatisfied); range of motion; complications; and revisions were assessed. Radiographic findings were reported. Kaplan-Meier survival analysis was performed. Subgroups (RHA type, early vs. delayed surgery, RHA removed vs. retained) were compared. At a median clinical follow-up of 9.0 Comments 0 Shares 138 Views 0 Reviews -
5% and 90.0%, whereas the 1-year OS for the two groups were 80.8% and 49.1%, respectively. One patient developed entero-vaginal fistula and one had sigmoid perforation. No patient experienced≧grade 3 genitourinary complications.
In gynecological cancer patients with recurrent pelvic tumors or intact uterus unsuitable for brachytherapy, local dose escalation with SBRT resulted in an initial response rate of 72% with acceptable early toxicities. A long-term follow-up is required to assess the impact on local control or survival.
In gynecological cancer patients with recurrent pelvic tumors or intact uterus unsuitable for brachytherapy, local dose escalation with SBRT resulted in an initial response rate of 72% with acceptable early toxicities. A long-term follow-up is required to assess the impact on local control or survival.
Knowledge of the incidence of pregnancy-related thromboembolism and its risk factors is clinically important because thromboembolism is the leading cause of maternal death. However, there are insufficient large population-based studies on this topic. The purpose of this study was to estimate the incidence of and identify the risk factors for thromboembolism during pregnancy and puerperium.
We analyzed data from 2007 to 2016 using the Health Insurance Review and Assessment Service (HIRA) database. Women who gave birth in the Republic of Korea were identified. Thromboembolism was defined as the simultaneous presence of both the diagnostic and test codes. Risk factors for thromboembolism were identified using logistic regression.
A total of 1,188 delivery episodes with thromboembolism were extracted from 4,243,393 delivery episodes. https://www.selleckchem.com/products/enarodustat.html The incidence of thromboembolism was 0.28 per 1,000 deliveries, and it increased over the 10-year period. The incidence of antepartum thromboembolism was 0.1 per 1,000 deliveriactors. This study provides an important reference for thromboprophylaxis for pregnancy-related thromboembolism.To assess the roles of the low molecular weight heparin (LMWH) on recurrent pregnancy loss (RPL). The relevant studies of all randomized controlled trials (RCTs) were retrieved, and the systematic evaluation was conducted. PubMed, Embase, and Cochrane library databases were searched by using keywords, including low-molecular-weight heparin or LMWH, and recurrent miscarriage or recurrent pregnancy loss in pregnant women from their earliest data to February 2020. Two investigators independently evaluated eligibility. Risk ratios (RRs) and their corresponding 95% confidence interval (CI) were determined. To pool the results, this meta-analysis was performed using random-effect model due to the high heterogeneity among these eight studies. A total of eight RCTs involving 1854 participants were included in the meta-analysis involving 963 patients with RPL who were prescribed LMWH (enoxaparin, tinzaparin, or dalteparin) alone and 891 patients who were treated with no LMWH interventions (placebo, folic acid or non-treatment) were compared. Pooled data from the remaining eight RCTs showed the differences between intervention groups and control groups. Compared with control groups, LMWH had significantly improved live births (RR,1.19; 95%CI, 1.03 to 1.38; P = 0.02), and reduced miscarriage rates (RR, 0.62; 95%CI, 0.43 to 0.91; P = 0.01). The study suggested that LMWH could improve the live births and reduce the miscarriage rates of RPL. Therefore, LMWH might be a good treatment choice for women with unexplained PRL.The aim of this study was to assess the effect of lipodystrophy (LD) associated to metabolic syndrome (MS) on oxidative stress and inflammation in a cohort of 243 HIV-infected patients with MS, all of them under three different antiretroviral regimens. We collected immunovirological, biochemical and metabolic data, as well as anthropometric measurements. In addition, cardiovascular risk was also assessed by means of Atherogenic Index of Plasma (API) and Framingham Risk Score. The MS-LD patient set was characterized by a lower initial lymphocyte CD4 count and CD4/CD8 ratio and a higher initial viral load than the group without LD. We also found worse lipidic and glycaemic profiles (with lower HDL-cholesterol and higher triglyceride and glucose levels) in the MS-LD group. BMI, systolic blood pressure and Framingham score were significantly increased compared to MS-Non LD. In addition, patients with MS and LD had significantly higher levels of carbonylated proteins, lipid peroxidation, IL-6 and IL-8, as well as a significant decrease in the levels of leptin, adiponectin and antioxidant activities of catalase, super oxide dismutase and glutathione associated enzymes. In MS-LD HIV-1 patients, a significant negative correlation was found between Framingham Risk Score and the antioxidant biomarkers, however a positive association was found between API and protein-C reactive and carbonylated proteins. Segregating by ART, the above-mentioned conditions were worse within the MS-LD group whose treatment contained protease inhibitors, such as lopinavir. In conclusion, HIV-1 infected patients treated for at least six months, especially with regimens including PIs, showed a worsening of inflammatory process and oxidative stress.
To investigate the effects of halofuginone and pirfenidone on wound healing in experimental glaucoma filtration surgery (GFS).
Animal experimentation.
A total of 42 male New Zealand albino rabbits were separated into 6 equal groups. A limbal-based trabeculectomy was performed on 5 groups, and Group I (control group) underwent no surgery and received no postoperative medication. For Group II (sham group), 1 drop 0.9% NaCl was instilled qid for 14 days. For Group III, 1% topical corticosteroid (prednisolone acetate) was instilled 1 drop qid for 14 days. For Group IV, 0.4mg/mL mitomycin-C (MMC) was applied intraoperatively to the region of the scleral flap. For Group V, 0.5% pirfenidone was instilled 1 drop qid for 14 days postoperatively. For Group VI, a sponge soaked in 10ng/mL halofuginone was applied to the surgical region for 3 mins. In addition, 1% topical corticosteroid was instilled ×1 drop qid for 14 days postoperatively for Groups IV, V and VI. After 14 days, sections prepared from the bleb regions of the enucleated eyes were evaluated histopathologically and immunohistochemically.
5% and 90.0%, whereas the 1-year OS for the two groups were 80.8% and 49.1%, respectively. One patient developed entero-vaginal fistula and one had sigmoid perforation. No patient experienced≧grade 3 genitourinary complications. In gynecological cancer patients with recurrent pelvic tumors or intact uterus unsuitable for brachytherapy, local dose escalation with SBRT resulted in an initial response rate of 72% with acceptable early toxicities. A long-term follow-up is required to assess the impact on local control or survival. In gynecological cancer patients with recurrent pelvic tumors or intact uterus unsuitable for brachytherapy, local dose escalation with SBRT resulted in an initial response rate of 72% with acceptable early toxicities. A long-term follow-up is required to assess the impact on local control or survival. Knowledge of the incidence of pregnancy-related thromboembolism and its risk factors is clinically important because thromboembolism is the leading cause of maternal death. However, there are insufficient large population-based studies on this topic. The purpose of this study was to estimate the incidence of and identify the risk factors for thromboembolism during pregnancy and puerperium. We analyzed data from 2007 to 2016 using the Health Insurance Review and Assessment Service (HIRA) database. Women who gave birth in the Republic of Korea were identified. Thromboembolism was defined as the simultaneous presence of both the diagnostic and test codes. Risk factors for thromboembolism were identified using logistic regression. A total of 1,188 delivery episodes with thromboembolism were extracted from 4,243,393 delivery episodes. https://www.selleckchem.com/products/enarodustat.html The incidence of thromboembolism was 0.28 per 1,000 deliveries, and it increased over the 10-year period. The incidence of antepartum thromboembolism was 0.1 per 1,000 deliveriactors. This study provides an important reference for thromboprophylaxis for pregnancy-related thromboembolism.To assess the roles of the low molecular weight heparin (LMWH) on recurrent pregnancy loss (RPL). The relevant studies of all randomized controlled trials (RCTs) were retrieved, and the systematic evaluation was conducted. PubMed, Embase, and Cochrane library databases were searched by using keywords, including low-molecular-weight heparin or LMWH, and recurrent miscarriage or recurrent pregnancy loss in pregnant women from their earliest data to February 2020. Two investigators independently evaluated eligibility. Risk ratios (RRs) and their corresponding 95% confidence interval (CI) were determined. To pool the results, this meta-analysis was performed using random-effect model due to the high heterogeneity among these eight studies. A total of eight RCTs involving 1854 participants were included in the meta-analysis involving 963 patients with RPL who were prescribed LMWH (enoxaparin, tinzaparin, or dalteparin) alone and 891 patients who were treated with no LMWH interventions (placebo, folic acid or non-treatment) were compared. Pooled data from the remaining eight RCTs showed the differences between intervention groups and control groups. Compared with control groups, LMWH had significantly improved live births (RR,1.19; 95%CI, 1.03 to 1.38; P = 0.02), and reduced miscarriage rates (RR, 0.62; 95%CI, 0.43 to 0.91; P = 0.01). The study suggested that LMWH could improve the live births and reduce the miscarriage rates of RPL. Therefore, LMWH might be a good treatment choice for women with unexplained PRL.The aim of this study was to assess the effect of lipodystrophy (LD) associated to metabolic syndrome (MS) on oxidative stress and inflammation in a cohort of 243 HIV-infected patients with MS, all of them under three different antiretroviral regimens. We collected immunovirological, biochemical and metabolic data, as well as anthropometric measurements. In addition, cardiovascular risk was also assessed by means of Atherogenic Index of Plasma (API) and Framingham Risk Score. The MS-LD patient set was characterized by a lower initial lymphocyte CD4 count and CD4/CD8 ratio and a higher initial viral load than the group without LD. We also found worse lipidic and glycaemic profiles (with lower HDL-cholesterol and higher triglyceride and glucose levels) in the MS-LD group. BMI, systolic blood pressure and Framingham score were significantly increased compared to MS-Non LD. In addition, patients with MS and LD had significantly higher levels of carbonylated proteins, lipid peroxidation, IL-6 and IL-8, as well as a significant decrease in the levels of leptin, adiponectin and antioxidant activities of catalase, super oxide dismutase and glutathione associated enzymes. In MS-LD HIV-1 patients, a significant negative correlation was found between Framingham Risk Score and the antioxidant biomarkers, however a positive association was found between API and protein-C reactive and carbonylated proteins. Segregating by ART, the above-mentioned conditions were worse within the MS-LD group whose treatment contained protease inhibitors, such as lopinavir. In conclusion, HIV-1 infected patients treated for at least six months, especially with regimens including PIs, showed a worsening of inflammatory process and oxidative stress. To investigate the effects of halofuginone and pirfenidone on wound healing in experimental glaucoma filtration surgery (GFS). Animal experimentation. A total of 42 male New Zealand albino rabbits were separated into 6 equal groups. A limbal-based trabeculectomy was performed on 5 groups, and Group I (control group) underwent no surgery and received no postoperative medication. For Group II (sham group), 1 drop 0.9% NaCl was instilled qid for 14 days. For Group III, 1% topical corticosteroid (prednisolone acetate) was instilled 1 drop qid for 14 days. For Group IV, 0.4mg/mL mitomycin-C (MMC) was applied intraoperatively to the region of the scleral flap. For Group V, 0.5% pirfenidone was instilled 1 drop qid for 14 days postoperatively. For Group VI, a sponge soaked in 10ng/mL halofuginone was applied to the surgical region for 3 mins. In addition, 1% topical corticosteroid was instilled ×1 drop qid for 14 days postoperatively for Groups IV, V and VI. After 14 days, sections prepared from the bleb regions of the enucleated eyes were evaluated histopathologically and immunohistochemically.0 Comments 0 Shares 28 Views 0 Reviews -
The pollution of environmental systems with heavy metals is becoming a serious problem worldwide. These contaminants are one of the main issues in sludge (which is considered waste) and can even have harmful effects if the sludge is not treated properly. Thus, the development of a novel functional magnetic nanoadsorbent based on a derived lysine is reported here, which can be efficiently applied for metal removal from sludge. Magnetic nanoparticles were coated with silica layer and further modified by covalent bonding of derived lysine. The morphology of the nanomaterial, its nano-size and the silica layer thickness were analyzed by transmission electron microscopy. The successful silanization of the lysine derivative to the silica-coated magnetic nanostructures was investigated by several physicochemical characterization techniques, while the magnetic properties were measured with a vibrating sample magnetometer. The synthesized nanostructures were used as adsorbents for simultaneous removal of most critical heavy metals (Cr, Zn, Cu) from real complex sludge suspensions. The main practical adsorption parameters, pH of the native stabilized sludge, adsorbent amount, time, and adsorbent regeneration were investigated. The results show promising adsorption properties among currently available adsorbents (the total equilibrium adsorption capacity was 24.5 mg/g) from the sludge with satisfactory nanoadsorbent reusability and its rapid removal. The stability of the nanoadsorbent in the sludge, an important but often neglected practical parameter for efficient removal, was verified. This work opens up new possibilities for the development of high-quality magnetic nanoadsorbents for metal pollutants applied in various complicated environmental fields and enables waste recovery.Multielement rare earth (R)-transition metal (T) intermetallics are arguably the next generation of high-performance permanent magnetic materials for future applications in energy-saving and renewable energy technologies. Pseudobinary Sm2Fe17N3 and (R,Zr)(Fe,Co,Ti)12 (R = Nd, Sm) compounds have the highest potential to meet current demands for rare-earth-element-lean permanent magnets (PMs) with ultra-large energy product and operating temperatures up to 200°C. However, the synthesis of these materials, especially in the mesoscopic scale for maximizing the maximum energy product ( B H m a x ), remains a great challenge. Nonequilibrium processes are apparently used to overcome the phase-stabilization challenge in preparing the R-T intermetallics but have limited control of the material's microstructure. https://www.selleckchem.com/products/e7766-diammonium-salt.html More radical bottom-up nanoparticle approaches based on chemical synthesis have also been explored, owing to their potential to achieve the desired composition, structure, size, and shape. While a great achievement has been made for the Sm2Fe17N3, progress in the synthesis of (R,Zr)(Fe,Co,Ti)12 magnetic mesoscopic particles (MMPs) and R-T/T exchange-coupled nanocomposites (NCMs) with substantial coercivity ( H c ) and remanence ( M r ) , respectively, remains marginal.Based on its excellent damping properties, traditional rubber has been widely used in various industries, including aerospace, rail transit and automotive. However, the disadvantages of effective damping area, unstable damping performance, easy fatigue, and aging, greatly limited the further application of rubber materials. Thus, it is important to develop novel modified rubber damping materials. Herein, polyamidoamine dendrimers with terminal-modified phenolic hydroxyl and amine groups (G2 PAMAM-H) were designed and used as modifiers to improve the damping performance of chlorinated butyl rubber (CIIR). The results showed that the modification of G2 PAMAM by diphenolic acid can avoid its aggregation in the CIIR matrix. CIIR/G2 PAMAM-H nanocomposites exhibited high tan δmax of 1.52 and wide damping temperature region of 140°C (tan δ > 0.55)at a very low loading (4.32 wt.%), which were strongerthan that of pure CIIR and CIIR/G2 PAMAM nanocomposites. In addition, these nanocomposites also exhibited a unique self-healing ability by multiple hydrogen bonds, which can effectively extend the life of the rubber material in actual production. Therefore, the dendrimer modification provided unique development opportunities for elastomers in certain highly engineered fields, such as vehicles, rail transit, aerospace, etc.Recently, a massive magnetocaloric effect near the liquefaction temperature of hydrogen has been reported in the ferromagnetic material HoB2. Here we investigate the effects of Dy substitution in the magnetocaloric properties of Ho1-x Dy x B2 alloys (x = 0, 0.3, 0.5, 0.7, 1.0). We find that the Curie temperature (TC) gradually increases upon Dy substitution, while the magnitude of the magnetic entropy change |ΔSM| and adiabatic temperature change ΔTad showed a gradual decrease. On the other hand, due to the presence of successive transitions in these alloys, the peak height of the above magnetocaloric properties tends to be kept in a wide temperature range, leading to a relatively robust figure of merit in a wide temperature span. These alloys could be interesting candidates for magnetic refrigeration in the temperature range of 10-60 K.Structural color is a color derived from optical interaction between light and a microstructure and is often seen in nature. Natural melanin plays an important role in bright structural coloration. For example, the vivid colors of peacock feathers are due to structural colors. The periodic arrangement of melanin granules inside the feathers leads to light interference, and the black granules absorb scattered light well, resulting in bright structural color. In recent years, polydopamine (PDA) has attracted attention as a melanin mimetic material. This review article summarizes recent research on structural coloration using PDA-based artificial melanin materials. It also outlines possible applications using bright structural colors realized by artificial melanin materials and future perspectives.This is a translation of 'Der Mensch im Recht', Gustav Radbruch's inaugural lecture at the University of Heidelberg in November 1926, translated with an Introduction by Valentin Jeutner. Radbruch addresses the way in which law's image of the human informs the operation and content of law.
The pollution of environmental systems with heavy metals is becoming a serious problem worldwide. These contaminants are one of the main issues in sludge (which is considered waste) and can even have harmful effects if the sludge is not treated properly. Thus, the development of a novel functional magnetic nanoadsorbent based on a derived lysine is reported here, which can be efficiently applied for metal removal from sludge. Magnetic nanoparticles were coated with silica layer and further modified by covalent bonding of derived lysine. The morphology of the nanomaterial, its nano-size and the silica layer thickness were analyzed by transmission electron microscopy. The successful silanization of the lysine derivative to the silica-coated magnetic nanostructures was investigated by several physicochemical characterization techniques, while the magnetic properties were measured with a vibrating sample magnetometer. The synthesized nanostructures were used as adsorbents for simultaneous removal of most critical heavy metals (Cr, Zn, Cu) from real complex sludge suspensions. The main practical adsorption parameters, pH of the native stabilized sludge, adsorbent amount, time, and adsorbent regeneration were investigated. The results show promising adsorption properties among currently available adsorbents (the total equilibrium adsorption capacity was 24.5 mg/g) from the sludge with satisfactory nanoadsorbent reusability and its rapid removal. The stability of the nanoadsorbent in the sludge, an important but often neglected practical parameter for efficient removal, was verified. This work opens up new possibilities for the development of high-quality magnetic nanoadsorbents for metal pollutants applied in various complicated environmental fields and enables waste recovery.Multielement rare earth (R)-transition metal (T) intermetallics are arguably the next generation of high-performance permanent magnetic materials for future applications in energy-saving and renewable energy technologies. Pseudobinary Sm2Fe17N3 and (R,Zr)(Fe,Co,Ti)12 (R = Nd, Sm) compounds have the highest potential to meet current demands for rare-earth-element-lean permanent magnets (PMs) with ultra-large energy product and operating temperatures up to 200°C. However, the synthesis of these materials, especially in the mesoscopic scale for maximizing the maximum energy product ( B H m a x ), remains a great challenge. Nonequilibrium processes are apparently used to overcome the phase-stabilization challenge in preparing the R-T intermetallics but have limited control of the material's microstructure. https://www.selleckchem.com/products/e7766-diammonium-salt.html More radical bottom-up nanoparticle approaches based on chemical synthesis have also been explored, owing to their potential to achieve the desired composition, structure, size, and shape. While a great achievement has been made for the Sm2Fe17N3, progress in the synthesis of (R,Zr)(Fe,Co,Ti)12 magnetic mesoscopic particles (MMPs) and R-T/T exchange-coupled nanocomposites (NCMs) with substantial coercivity ( H c ) and remanence ( M r ) , respectively, remains marginal.Based on its excellent damping properties, traditional rubber has been widely used in various industries, including aerospace, rail transit and automotive. However, the disadvantages of effective damping area, unstable damping performance, easy fatigue, and aging, greatly limited the further application of rubber materials. Thus, it is important to develop novel modified rubber damping materials. Herein, polyamidoamine dendrimers with terminal-modified phenolic hydroxyl and amine groups (G2 PAMAM-H) were designed and used as modifiers to improve the damping performance of chlorinated butyl rubber (CIIR). The results showed that the modification of G2 PAMAM by diphenolic acid can avoid its aggregation in the CIIR matrix. CIIR/G2 PAMAM-H nanocomposites exhibited high tan δmax of 1.52 and wide damping temperature region of 140°C (tan δ > 0.55)at a very low loading (4.32 wt.%), which were strongerthan that of pure CIIR and CIIR/G2 PAMAM nanocomposites. In addition, these nanocomposites also exhibited a unique self-healing ability by multiple hydrogen bonds, which can effectively extend the life of the rubber material in actual production. Therefore, the dendrimer modification provided unique development opportunities for elastomers in certain highly engineered fields, such as vehicles, rail transit, aerospace, etc.Recently, a massive magnetocaloric effect near the liquefaction temperature of hydrogen has been reported in the ferromagnetic material HoB2. Here we investigate the effects of Dy substitution in the magnetocaloric properties of Ho1-x Dy x B2 alloys (x = 0, 0.3, 0.5, 0.7, 1.0). We find that the Curie temperature (TC) gradually increases upon Dy substitution, while the magnitude of the magnetic entropy change |ΔSM| and adiabatic temperature change ΔTad showed a gradual decrease. On the other hand, due to the presence of successive transitions in these alloys, the peak height of the above magnetocaloric properties tends to be kept in a wide temperature range, leading to a relatively robust figure of merit in a wide temperature span. These alloys could be interesting candidates for magnetic refrigeration in the temperature range of 10-60 K.Structural color is a color derived from optical interaction between light and a microstructure and is often seen in nature. Natural melanin plays an important role in bright structural coloration. For example, the vivid colors of peacock feathers are due to structural colors. The periodic arrangement of melanin granules inside the feathers leads to light interference, and the black granules absorb scattered light well, resulting in bright structural color. In recent years, polydopamine (PDA) has attracted attention as a melanin mimetic material. This review article summarizes recent research on structural coloration using PDA-based artificial melanin materials. It also outlines possible applications using bright structural colors realized by artificial melanin materials and future perspectives.This is a translation of 'Der Mensch im Recht', Gustav Radbruch's inaugural lecture at the University of Heidelberg in November 1926, translated with an Introduction by Valentin Jeutner. Radbruch addresses the way in which law's image of the human informs the operation and content of law.0 Comments 0 Shares 12 Views 0 Reviews -
ould be given to factors that have been shown to enhance the beneficial effects of abstinence, such as mood enhancement.
This study aimed to assess the subjective and objective cystoscopy skills of gynecology residents before and after implementation of a comprehensive simulation curriculum.
Residents in an obstetrics/gynecology program at a single academic institution participated in a 6-week cystoscopy simulation course. Residents attended an initial orientation and didactic presentation, and then weekly 20- to 30-minute training sessions using a water balloon model and a virtual reality simulator. Pretesting and posttesting were performed, including (1) subjective self-assessments, (2) a written quiz, and (3) objective structured assessment of technical skills. Paired t test was used to assess the differences in residents' objective assessment scores before and after simulation training.
A total of 16 residents were recruited. Residents reported significant subjective improvements in comfort, confidence, and proficiency in performing cystoscopy after completing the curriculum. Their overall objective assessment improvels. Although universal cystoscopy at the time of hysterectomy for benign indications remains controversial, cystoscopy simulation should remain an important part of resident training.
Craniopharyngioma is a relatively common congenital intracranial tumour for children. But only few available studies focused on the endocrine evaluation before diagnosis and post-operative endocrine evaluations of children with craniopharyngioma.
This study aims to aid in the early diagnosis of craniopharyngioma (CP) and follow-up post-operative children suffered from craniopharyngioma.
Craniopharyngioma patients, as the CP group (n = 50), and healthy children, as the control group (n = 30), the symptoms and pituitary hormone levels were reviewed and investigated.
The pre-operative levels of peak of GH, IGF-1, FT4, ACTH, COR and PRL of CP patients were significantly lower than those of the control group (all the P ≤ 0.001). Levels of pituitary-hormones after surgery were significantly lower than both those before surgery and those of the control group (all the P ≤ 0.001). HGH treatment could significantly improve the growth velocity of post-operative children (3.8 ± 1.5 cm/year vs 13.0 ± 3.4 cm/year for males, P ≤ 0.001; 4.0 ± 1.3 cm/year vs 12.7 ± 1.8 cm/year for females, P ≤ 0.001).
Children presenting with endocrine disturbance symptoms combined with pituitary hormone deficits should be assessed by MRI to exclude craniopharyngioma earlier. Also, long-term follow-up study was very essential to craniopharyngioma survivors.
Children presenting with endocrine disturbance symptoms combined with pituitary hormone deficits should be assessed by MRI to exclude craniopharyngioma earlier. Also, long-term follow-up study was very essential to craniopharyngioma survivors.
The adoption of a 'family-centered-care' philosophy is essential for the care process and its negotiation. A better understanding of nurses' perception of factors that affect the process of negotiation could allow us to better address future interventions and to improve FCC. The purpose of our study was to investigate pediatric nurses' perception of factors that affect the process of negotiation of care with Stem Cell Transplantation pediatric patients and their parents.
A qualitative research design with in-depth interviews was chosen. Sixteen interviews (16 nurses) were audio recorded and transcribed verbatim. Two researchers conducted independently a thematic analysis of the verbatim transcripts of the interviews.
Four themes emerged from the data as factors that affect the process of negotiation (a) communication, (b) personal factors (c) specificity, and (d) organization.
These themes represent interesting points for future improvement interventions. Negotiation in the Stem Cell Transplant setting would deserve further research, with special focus on children' and parents' perception of factors affecting this important aspect. Furthermore, in the future, negotiation guidelines could be validated and implemented effectively and an already validated tool could be used to document the negotiation process in the Stem Cell Transplant setting.
These themes represent interesting points for future improvement interventions. Negotiation in the Stem Cell Transplant setting would deserve further research, with special focus on children' and parents' perception of factors affecting this important aspect. Furthermore, in the future, negotiation guidelines could be validated and implemented effectively and an already validated tool could be used to document the negotiation process in the Stem Cell Transplant setting.
Lactobacillus reuteri DSM 17938 is the only probiotic recommended for treatment of colicky infants, but its mechanism of action is not clear. The study aim was to examine urinary metabolomic fingerprint of colicky breastfed infants before and after 1 month of orally administered Lactobacillus reuteri DSM 17938 or placebo.
This randomized, blinded, placebo-controlled clinical trial was carried out with a well-documented probiotic. https://www.selleckchem.com/products/tubastatin-a.html Thirty-two infants were enrolled, 16 in the probiotic group and 16 in the placebo group. Urine samples were collected from each subject before starting supplementation and at the end of the study period. Metabolomic profiles were obtained using a gas chromatography/mass spectrometry instrument. Subsequently, to compare groups before and after probiotic supplementation, univariate and multivariate statistical analysis were performed.
In the L. reuteri treated group all metabolites for all class of nutrients (sugars, amino acids, carboxylic acids) resulted more abundant after the study period. The comparison with a control group (placebo treated), confirmed this effect on urines.
The metabolomic analysis of urine samples from infants treated with L. reuteri DSM 17938 allowed to detect some interesting features related to the effect of this treatment on urinary metabolome. To validate the results, a test on a larger cohort is required.
The metabolomic analysis of urine samples from infants treated with L. reuteri DSM 17938 allowed to detect some interesting features related to the effect of this treatment on urinary metabolome. To validate the results, a test on a larger cohort is required.
ould be given to factors that have been shown to enhance the beneficial effects of abstinence, such as mood enhancement. This study aimed to assess the subjective and objective cystoscopy skills of gynecology residents before and after implementation of a comprehensive simulation curriculum. Residents in an obstetrics/gynecology program at a single academic institution participated in a 6-week cystoscopy simulation course. Residents attended an initial orientation and didactic presentation, and then weekly 20- to 30-minute training sessions using a water balloon model and a virtual reality simulator. Pretesting and posttesting were performed, including (1) subjective self-assessments, (2) a written quiz, and (3) objective structured assessment of technical skills. Paired t test was used to assess the differences in residents' objective assessment scores before and after simulation training. A total of 16 residents were recruited. Residents reported significant subjective improvements in comfort, confidence, and proficiency in performing cystoscopy after completing the curriculum. Their overall objective assessment improvels. Although universal cystoscopy at the time of hysterectomy for benign indications remains controversial, cystoscopy simulation should remain an important part of resident training. Craniopharyngioma is a relatively common congenital intracranial tumour for children. But only few available studies focused on the endocrine evaluation before diagnosis and post-operative endocrine evaluations of children with craniopharyngioma. This study aims to aid in the early diagnosis of craniopharyngioma (CP) and follow-up post-operative children suffered from craniopharyngioma. Craniopharyngioma patients, as the CP group (n = 50), and healthy children, as the control group (n = 30), the symptoms and pituitary hormone levels were reviewed and investigated. The pre-operative levels of peak of GH, IGF-1, FT4, ACTH, COR and PRL of CP patients were significantly lower than those of the control group (all the P ≤ 0.001). Levels of pituitary-hormones after surgery were significantly lower than both those before surgery and those of the control group (all the P ≤ 0.001). HGH treatment could significantly improve the growth velocity of post-operative children (3.8 ± 1.5 cm/year vs 13.0 ± 3.4 cm/year for males, P ≤ 0.001; 4.0 ± 1.3 cm/year vs 12.7 ± 1.8 cm/year for females, P ≤ 0.001). Children presenting with endocrine disturbance symptoms combined with pituitary hormone deficits should be assessed by MRI to exclude craniopharyngioma earlier. Also, long-term follow-up study was very essential to craniopharyngioma survivors. Children presenting with endocrine disturbance symptoms combined with pituitary hormone deficits should be assessed by MRI to exclude craniopharyngioma earlier. Also, long-term follow-up study was very essential to craniopharyngioma survivors. The adoption of a 'family-centered-care' philosophy is essential for the care process and its negotiation. A better understanding of nurses' perception of factors that affect the process of negotiation could allow us to better address future interventions and to improve FCC. The purpose of our study was to investigate pediatric nurses' perception of factors that affect the process of negotiation of care with Stem Cell Transplantation pediatric patients and their parents. A qualitative research design with in-depth interviews was chosen. Sixteen interviews (16 nurses) were audio recorded and transcribed verbatim. Two researchers conducted independently a thematic analysis of the verbatim transcripts of the interviews. Four themes emerged from the data as factors that affect the process of negotiation (a) communication, (b) personal factors (c) specificity, and (d) organization. These themes represent interesting points for future improvement interventions. Negotiation in the Stem Cell Transplant setting would deserve further research, with special focus on children' and parents' perception of factors affecting this important aspect. Furthermore, in the future, negotiation guidelines could be validated and implemented effectively and an already validated tool could be used to document the negotiation process in the Stem Cell Transplant setting. These themes represent interesting points for future improvement interventions. Negotiation in the Stem Cell Transplant setting would deserve further research, with special focus on children' and parents' perception of factors affecting this important aspect. Furthermore, in the future, negotiation guidelines could be validated and implemented effectively and an already validated tool could be used to document the negotiation process in the Stem Cell Transplant setting. Lactobacillus reuteri DSM 17938 is the only probiotic recommended for treatment of colicky infants, but its mechanism of action is not clear. The study aim was to examine urinary metabolomic fingerprint of colicky breastfed infants before and after 1 month of orally administered Lactobacillus reuteri DSM 17938 or placebo. This randomized, blinded, placebo-controlled clinical trial was carried out with a well-documented probiotic. https://www.selleckchem.com/products/tubastatin-a.html Thirty-two infants were enrolled, 16 in the probiotic group and 16 in the placebo group. Urine samples were collected from each subject before starting supplementation and at the end of the study period. Metabolomic profiles were obtained using a gas chromatography/mass spectrometry instrument. Subsequently, to compare groups before and after probiotic supplementation, univariate and multivariate statistical analysis were performed. In the L. reuteri treated group all metabolites for all class of nutrients (sugars, amino acids, carboxylic acids) resulted more abundant after the study period. The comparison with a control group (placebo treated), confirmed this effect on urines. The metabolomic analysis of urine samples from infants treated with L. reuteri DSM 17938 allowed to detect some interesting features related to the effect of this treatment on urinary metabolome. To validate the results, a test on a larger cohort is required. The metabolomic analysis of urine samples from infants treated with L. reuteri DSM 17938 allowed to detect some interesting features related to the effect of this treatment on urinary metabolome. To validate the results, a test on a larger cohort is required.0 Comments 0 Shares 70 Views 0 Reviews
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