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Further, conserved motifs exclusive to functionally characterized MLOs were identified in MnMLO1C, MnMLO2 and MnMLO6A proteins. Combined analysis of the phylogenetic relationship, conserved motif analysis and gene expression in response to infection identified MnMLO2 and MnMLO6A as potential candidate genes involved in powdery mildew susceptibility in mulberry. Identification and deployment of natural and induced mutations in the candidate genes can be useful for mulberry breeding programs to develop powdery mildew resistant varieties.An endophytic fungus Aspergillus fumigatus isolated from Moringa oleifera has been evaluated for its various bioactivities. The chloroformic fungal extract exhibited a good antimicrobial as well as antibiofilm activity against various pathogenic microorganisms. https://www.selleckchem.com/products/durvalumab.html It also demonstrated a good antimutagenicity against the reactive carcinogenic ester generating mutagen, 2-aminofluorene (2-AF) with IC50 values of 0.52 mg ml-1 and 0.36 mg ml-1 in case of co-incubation and pre-incubation, respectively. The antiprolifertive activity against different cancer cell lines; such as HCT-15, HeLa A549 and U87-MG showed the IC50 values of 0.061, 0.065 and 0.072 mg ml-1, respectively. The antioxidant activity of fungal extract has been assessed by 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azino-bis(3-ethyl-benzthiazolin-6-sulfonicacid) (ABTS) methods with IC50 values of 40.07 µg and 54.28 µg, respectively. Total phenolics and flavonoid contents have been also determined. Ultra-high performance liquid chromatography (UPLC) of fungal extract revealed the presence of various phenolic compounds (caffeic acid, rutin, ellagic acid, quercetin and kaempferol). Further an attempt has been made to purify the bioactive compounds by column chromatography and GC-MS analysis. The above studies demonstrated a good bioactive potential of endophytic fungus Aspergillus fumigatus and shows the pharmacological importance of an endophytic fungus and justify the need to carry out further studies.BACKGROUND Several states expanded Medicaid under the Affordable Care Act using Section 1115 waivers to implement healthy behavior incentive (HBI) programs, but the impact of this type of expansion relative to traditional expansion is not well understood. OBJECTIVE To examine whether Medicaid expansion with healthy behavior incentive programs and traditional Medicaid expansion were associated with differential changes in coverage, access, and self-rated health outcomes among low-income adults. DESIGN Difference-in-differences analysis of American Community Survey and Behavioral Risk Factor Surveillance System data from 2011 to 2017. PARTICIPANTS Low-income adults ages 19-64 in the Midwest Census region (American Community Survey, n = 665,653; Behavioral Risk Factor Surveillance System, n = 71,959). INTERVENTIONS Exposure to either HBI waiver or traditional Medicaid expansion in the state of residence. MAIN MEASURES Coverage Medicaid, private, or any health insurance coverage; access routine checkup, personal doctor, delaying care due to cost; health cancer screening, preventive care, healthy behaviors, self-reported health. KEY RESULTS Healthy behavior incentive (HBI) and traditional expansion (TE) states experienced reductions in uninsurance (- 5.6 [- 7.5, - 3.7] and - 6.2 [- 8.1, - 4.4] percentage points, respectively) and gains in Medicaid (HBI, + 7.6 [2.4, 12.8]; TE, + 9.7 [5.9, 13.4] percentage points) relative to non-expansion states. Both expansion types were associated with increases in rates of having a personal doctor (HBI, + 3.8 [2.0, 5.6]; TE, + 5.9 [2.2, 9.6] percentage points) and mammography (HBI, + 5.6 [0.6, 10.6]; TE, + 7.3 [0.7, 13.9] percentage points). Meanwhile, checkups increased more in HBI than in TE states (p less then 0.01), but no other changes in health care services differed between expansion types. CONCLUSIONS Medicaid expansion was associated with improvements in coverage and access to care with few differences between expansion types.Systematic reviews are a necessary, but often insufficient, source of information to address the decision-making needs of health systems. In this paper, we address when and how the use of health system data might make systematic reviews more useful to decision-makers. We describe the different ways in which health system data can be used with systematic reviews, identify scenarios in which the addition of health system data may be most helpful (i.e., to improve the strength of evidence, to improve the applicability of evidence, and to inform the implementation of evidence), and discuss the importance of framing the limitations and considerations when using unpublished health system data in reviews. We developed a framework to guide the use of health system data alongside systematic reviews based on a narrative review of the literature and empirical experience. We also offer recommendations to improve the transparency of reporting when using health system data alongside systematic reviews including providing rationale for employing additional data, details on the data source, critical appraisal to understand study design biases as well as limitations in data and information quality, and how the unpublished data compares to the systematically reviewed data. Future methodological work on how best to handle internal and external validity concerns of health system data in the context of systematically reviewed data and work on developing infrastructure to do this type of work is needed.Diabetes mellitus (DM) is an increasingly prevalent condition that has a significant impact on health systems worldwide, particularly in older people. It is estimated that 30% of people aged > 65 years fulfil the diagnostic criteria for DM, with 90% having type 2 DM (T2DM). Generally, specific guidelines for the treatment of T2DM in older people address in a very limited manner the use of more recent therapies, such as sodium-glucose co-transporter-2 inhibitors (SGLT2i), which have important benefits for older people, such as a low risk of hypoglycemia, reduction of cardiovascular and renal risk, and an insulin-independent mechanism, allowing its use in disease of any duration. The SGLT2i class is well-tolerated, though some caution is also suggested, including adjustment of concomitant therapies, such as insulin and antihypertensives, especially loop diuretics. This review discusses the pathophysiological characteristics of the older patient with T2DM and evaluates the main benefits of and cautions for the use of SGLT2i in this population.
Further, conserved motifs exclusive to functionally characterized MLOs were identified in MnMLO1C, MnMLO2 and MnMLO6A proteins. Combined analysis of the phylogenetic relationship, conserved motif analysis and gene expression in response to infection identified MnMLO2 and MnMLO6A as potential candidate genes involved in powdery mildew susceptibility in mulberry. Identification and deployment of natural and induced mutations in the candidate genes can be useful for mulberry breeding programs to develop powdery mildew resistant varieties.An endophytic fungus Aspergillus fumigatus isolated from Moringa oleifera has been evaluated for its various bioactivities. The chloroformic fungal extract exhibited a good antimicrobial as well as antibiofilm activity against various pathogenic microorganisms. https://www.selleckchem.com/products/durvalumab.html It also demonstrated a good antimutagenicity against the reactive carcinogenic ester generating mutagen, 2-aminofluorene (2-AF) with IC50 values of 0.52 mg ml-1 and 0.36 mg ml-1 in case of co-incubation and pre-incubation, respectively. The antiprolifertive activity against different cancer cell lines; such as HCT-15, HeLa A549 and U87-MG showed the IC50 values of 0.061, 0.065 and 0.072 mg ml-1, respectively. The antioxidant activity of fungal extract has been assessed by 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azino-bis(3-ethyl-benzthiazolin-6-sulfonicacid) (ABTS) methods with IC50 values of 40.07 µg and 54.28 µg, respectively. Total phenolics and flavonoid contents have been also determined. Ultra-high performance liquid chromatography (UPLC) of fungal extract revealed the presence of various phenolic compounds (caffeic acid, rutin, ellagic acid, quercetin and kaempferol). Further an attempt has been made to purify the bioactive compounds by column chromatography and GC-MS analysis. The above studies demonstrated a good bioactive potential of endophytic fungus Aspergillus fumigatus and shows the pharmacological importance of an endophytic fungus and justify the need to carry out further studies.BACKGROUND Several states expanded Medicaid under the Affordable Care Act using Section 1115 waivers to implement healthy behavior incentive (HBI) programs, but the impact of this type of expansion relative to traditional expansion is not well understood. OBJECTIVE To examine whether Medicaid expansion with healthy behavior incentive programs and traditional Medicaid expansion were associated with differential changes in coverage, access, and self-rated health outcomes among low-income adults. DESIGN Difference-in-differences analysis of American Community Survey and Behavioral Risk Factor Surveillance System data from 2011 to 2017. PARTICIPANTS Low-income adults ages 19-64 in the Midwest Census region (American Community Survey, n = 665,653; Behavioral Risk Factor Surveillance System, n = 71,959). INTERVENTIONS Exposure to either HBI waiver or traditional Medicaid expansion in the state of residence. MAIN MEASURES Coverage Medicaid, private, or any health insurance coverage; access routine checkup, personal doctor, delaying care due to cost; health cancer screening, preventive care, healthy behaviors, self-reported health. KEY RESULTS Healthy behavior incentive (HBI) and traditional expansion (TE) states experienced reductions in uninsurance (- 5.6 [- 7.5, - 3.7] and - 6.2 [- 8.1, - 4.4] percentage points, respectively) and gains in Medicaid (HBI, + 7.6 [2.4, 12.8]; TE, + 9.7 [5.9, 13.4] percentage points) relative to non-expansion states. Both expansion types were associated with increases in rates of having a personal doctor (HBI, + 3.8 [2.0, 5.6]; TE, + 5.9 [2.2, 9.6] percentage points) and mammography (HBI, + 5.6 [0.6, 10.6]; TE, + 7.3 [0.7, 13.9] percentage points). Meanwhile, checkups increased more in HBI than in TE states (p less then 0.01), but no other changes in health care services differed between expansion types. CONCLUSIONS Medicaid expansion was associated with improvements in coverage and access to care with few differences between expansion types.Systematic reviews are a necessary, but often insufficient, source of information to address the decision-making needs of health systems. In this paper, we address when and how the use of health system data might make systematic reviews more useful to decision-makers. We describe the different ways in which health system data can be used with systematic reviews, identify scenarios in which the addition of health system data may be most helpful (i.e., to improve the strength of evidence, to improve the applicability of evidence, and to inform the implementation of evidence), and discuss the importance of framing the limitations and considerations when using unpublished health system data in reviews. We developed a framework to guide the use of health system data alongside systematic reviews based on a narrative review of the literature and empirical experience. We also offer recommendations to improve the transparency of reporting when using health system data alongside systematic reviews including providing rationale for employing additional data, details on the data source, critical appraisal to understand study design biases as well as limitations in data and information quality, and how the unpublished data compares to the systematically reviewed data. Future methodological work on how best to handle internal and external validity concerns of health system data in the context of systematically reviewed data and work on developing infrastructure to do this type of work is needed.Diabetes mellitus (DM) is an increasingly prevalent condition that has a significant impact on health systems worldwide, particularly in older people. It is estimated that 30% of people aged > 65 years fulfil the diagnostic criteria for DM, with 90% having type 2 DM (T2DM). Generally, specific guidelines for the treatment of T2DM in older people address in a very limited manner the use of more recent therapies, such as sodium-glucose co-transporter-2 inhibitors (SGLT2i), which have important benefits for older people, such as a low risk of hypoglycemia, reduction of cardiovascular and renal risk, and an insulin-independent mechanism, allowing its use in disease of any duration. The SGLT2i class is well-tolerated, though some caution is also suggested, including adjustment of concomitant therapies, such as insulin and antihypertensives, especially loop diuretics. This review discusses the pathophysiological characteristics of the older patient with T2DM and evaluates the main benefits of and cautions for the use of SGLT2i in this population.0 Comentários 0 Compartilhamentos 9 Visualizações 0 AnteriorFaça Login para curtir, compartilhar e comentar! -
BACKGROUND Polyploidy is a rare lethal cytogenetic anomaly in pregnancies, generally leading to pregnancy termination. This study aims to compare first and second trimester polyploidy in pregnancies and describe the underlying mechanisms. METHODS A retrospective study was conducted in three medical genetics laboratories, collecting cases from Eastern, Southern, and Western Romania. The period of interest was January 2008 to December 2018. Prenatal samples (chorionic villi and amniotic fluid) and miscarriage samples were tested by standard karyotyping, as well as QF-PCR or FISH as complementary or alternative techniques. RESULTS In first trimester pregnancies, we report cytogenetic results of chorionic villi samples from miscarriages 25 triploid cases and 13 tetraploid cases. In second trimester samples obtained by amniocentesis, cytogenetic findings were positive for 17 triploid cases. Maternal age, age of the pregnancy, and fetal gender identified by ultrasound were recorded in all cases and, additionally, data on biochemical risk and ultrasonographic findings for second trimester pregnancies. CONCLUSIONS Cytogenetic investigations of spontaneous abortions provide valuable information on the cause of abortion. This information is crucial for genetic counseling and may also contribute to prenatal diagnosis in subsequent pregnancies.BACKGROUND MicroRNAs (miRNAs) function as important post-transcriptional regulators involved in a wide range of biological behaviors. MicroRNA-182 (miR-182) has been shown to play a critical role in tumor pathogenesis. The present study aimed to investigate the role of miR-182 in malignant melanoma. METHODS MTT assay was performed to measure the viabilities of cancer cells. Quantitative real-time PCR (qRT-PCR) and western blot were used to detect the mRNA and protein expression, respectively. Moreover, the miRNA target genes were validated with luciferase activity assay. RESULTS In the current study, we found that the expression of miR-182 was significantly up-regulated in malignant melanoma tissues compared to the adjacent non-cancer tissues. MMT assay showed that down-regulation of miR-182 suppressed the proliferation of malignant melanoma cell line. By contrast, over-expression of miR-182 promoted the growth of malignant melanoma cells. In addition, the reversion-inducing cysteinerich protein with Kazal motifs (RECK) was down-expressed in human malignant melanoma tissues. Moreover, poor expression of miR-182 led to an increase in RECK expression, whereas over-expression of miR-182 reduced RECK levels in malignant melanoma cells. The luciferase reporter assay showed that RECK was a direct target of miR-182. CONCLUSIONS These findings demonstrated that miR-182 inhibited malignant melanoma cell proliferation via RECK, providing a novel target for the molecular treatment of malignant melanoma.BACKGROUND To study the relationship of red cell distribution width (RDW) and N-terminal pro-brain natriuretic peptide (NT-proBNP) with the severity and prognosis of patients with acute coronary syndrome (ACS) receiving percutaneous coronary intervention (PCI). METHODS A total of 396 patients were divided into four groups according to Gensini scores. They were divided into a major adverse cardiovascular event (****) group and a non-**** group during follow-up. The baseline clinical data, blood biochemical indices, RDW, and NT-proBNP levels on the second day of admission were collected. The relationship of RDW and NT-proBNP with MACEs was analyzed by the Cox proportional hazard model, and risk stratification was conducted according to optimal cutoff values under ROC curves. RESULTS RDW and NT-proBNP level were significantly positively correlated with Gensini score (p 1,487.65 pg/mL were independent risk factors for MACEs in ACS patients. The patients were stratified according to the optimal cut-off values. Compared with the low-risk group, the **** risks of middle-risk and high-risk groups increased 1.79-fold (p = 0.012) and 2.54-fold (p less then 0.001), respectively. The patients had significantly different event-free survival rates (p less then 0.001). CONCLUSIONS RDW and NT-proBNP level were significantly correlated with the severity of ACS. They were independent predictors for MACEs in ACS patients.BACKGROUND Ewing's sarcoma (ES) is a prevalent bone malignancy. https://www.selleckchem.com/products/kt-413.html It is critical to explore new diagnostic and prognostic indicators because of the rapid progression of ES and the low survival rate of metastatic ES patients. However, few parameters of clinical significance have been found. The aim of this study was to establish a new classifier with clinical laboratory data to help ES detection and prognosis prediction. METHODS A total of 135 ES patients, 150 healthy individuals, and 228 patients with primary benign bone lesions were included. Logistic regression on clinical laboratory indicators was conducted to establish the classifier, and then the classifier was assessed by drawing the receiver operating characteristic (ROC) curves. Patient survival was evaluated using the Kaplan-Meier method. RESULTS We established the diagnostic classifier, called Ces, with clinical laboratory indicators to distinguish ES from healthy individuals. Ces showed great diagnostic performance in the test cohort (area under the receiver operating characteristic curve (AUC) 0.95) and could identify early-stage (AUC 0.93) and small-size (AUC 0.95) ES effectively. In addition, the classifier had good ability to differentiate ES from primary benign bone lesions (AUC 0.77 for Ces, AUC 0.83 for Ces + age). Furthermore, Ces was associated with tumor metastasis and event-free survival (EFS) of ES patients and showed better performance than lactate dehydrogenase (LDH) in prognosis prediction. CONCLUSIONS Our study indicates that Ces has the potential to be a non-invasive biomarker for ES diagnosis and prognosis.BACKGROUND To investigate the diagnostic values of blood count values and ratios in distinguishing between peptic ulcer bleeding (PUB) and esophagogastric variceal bleeding (EGVB). METHODS Due to acute hematemesis and or melaena, 57 patients diagnosed with PUB (PUB group) and 33 cases with EGVB (EGVB group) were enrolled in this retrospective study. The levels of peripheral blood leukocyte counts (leukocyte), neutrophil counts (neutrophil), lymphocyte counts (lymphocyte), platelet counts (platelet), neutrophil to lymphocyte ratio (NLR), and platelet to lymphocyte ratio (PLR) were recorded and compared between the two groups. Student's t-test of independent samples was adopted for comparing the mean between the two groups. Model discrimination was evaluated using the area under the receiver operating characteristic curve (AUC). Comparison of AUC was performed using the Z-test. RESULTS The levels of leukocyte, neutrophil, lymphocyte, platelet, and PLR were significantly increased in PUB group compared with EGVB group (all p 0.
BACKGROUND Polyploidy is a rare lethal cytogenetic anomaly in pregnancies, generally leading to pregnancy termination. This study aims to compare first and second trimester polyploidy in pregnancies and describe the underlying mechanisms. METHODS A retrospective study was conducted in three medical genetics laboratories, collecting cases from Eastern, Southern, and Western Romania. The period of interest was January 2008 to December 2018. Prenatal samples (chorionic villi and amniotic fluid) and miscarriage samples were tested by standard karyotyping, as well as QF-PCR or FISH as complementary or alternative techniques. RESULTS In first trimester pregnancies, we report cytogenetic results of chorionic villi samples from miscarriages 25 triploid cases and 13 tetraploid cases. In second trimester samples obtained by amniocentesis, cytogenetic findings were positive for 17 triploid cases. Maternal age, age of the pregnancy, and fetal gender identified by ultrasound were recorded in all cases and, additionally, data on biochemical risk and ultrasonographic findings for second trimester pregnancies. CONCLUSIONS Cytogenetic investigations of spontaneous abortions provide valuable information on the cause of abortion. This information is crucial for genetic counseling and may also contribute to prenatal diagnosis in subsequent pregnancies.BACKGROUND MicroRNAs (miRNAs) function as important post-transcriptional regulators involved in a wide range of biological behaviors. MicroRNA-182 (miR-182) has been shown to play a critical role in tumor pathogenesis. The present study aimed to investigate the role of miR-182 in malignant melanoma. METHODS MTT assay was performed to measure the viabilities of cancer cells. Quantitative real-time PCR (qRT-PCR) and western blot were used to detect the mRNA and protein expression, respectively. Moreover, the miRNA target genes were validated with luciferase activity assay. RESULTS In the current study, we found that the expression of miR-182 was significantly up-regulated in malignant melanoma tissues compared to the adjacent non-cancer tissues. MMT assay showed that down-regulation of miR-182 suppressed the proliferation of malignant melanoma cell line. By contrast, over-expression of miR-182 promoted the growth of malignant melanoma cells. In addition, the reversion-inducing cysteinerich protein with Kazal motifs (RECK) was down-expressed in human malignant melanoma tissues. Moreover, poor expression of miR-182 led to an increase in RECK expression, whereas over-expression of miR-182 reduced RECK levels in malignant melanoma cells. The luciferase reporter assay showed that RECK was a direct target of miR-182. CONCLUSIONS These findings demonstrated that miR-182 inhibited malignant melanoma cell proliferation via RECK, providing a novel target for the molecular treatment of malignant melanoma.BACKGROUND To study the relationship of red cell distribution width (RDW) and N-terminal pro-brain natriuretic peptide (NT-proBNP) with the severity and prognosis of patients with acute coronary syndrome (ACS) receiving percutaneous coronary intervention (PCI). METHODS A total of 396 patients were divided into four groups according to Gensini scores. They were divided into a major adverse cardiovascular event (MACE) group and a non-MACE group during follow-up. The baseline clinical data, blood biochemical indices, RDW, and NT-proBNP levels on the second day of admission were collected. The relationship of RDW and NT-proBNP with MACEs was analyzed by the Cox proportional hazard model, and risk stratification was conducted according to optimal cutoff values under ROC curves. RESULTS RDW and NT-proBNP level were significantly positively correlated with Gensini score (p 1,487.65 pg/mL were independent risk factors for MACEs in ACS patients. The patients were stratified according to the optimal cut-off values. Compared with the low-risk group, the MACE risks of middle-risk and high-risk groups increased 1.79-fold (p = 0.012) and 2.54-fold (p less then 0.001), respectively. The patients had significantly different event-free survival rates (p less then 0.001). CONCLUSIONS RDW and NT-proBNP level were significantly correlated with the severity of ACS. They were independent predictors for MACEs in ACS patients.BACKGROUND Ewing's sarcoma (ES) is a prevalent bone malignancy. https://www.selleckchem.com/products/kt-413.html It is critical to explore new diagnostic and prognostic indicators because of the rapid progression of ES and the low survival rate of metastatic ES patients. However, few parameters of clinical significance have been found. The aim of this study was to establish a new classifier with clinical laboratory data to help ES detection and prognosis prediction. METHODS A total of 135 ES patients, 150 healthy individuals, and 228 patients with primary benign bone lesions were included. Logistic regression on clinical laboratory indicators was conducted to establish the classifier, and then the classifier was assessed by drawing the receiver operating characteristic (ROC) curves. Patient survival was evaluated using the Kaplan-Meier method. RESULTS We established the diagnostic classifier, called Ces, with clinical laboratory indicators to distinguish ES from healthy individuals. Ces showed great diagnostic performance in the test cohort (area under the receiver operating characteristic curve (AUC) 0.95) and could identify early-stage (AUC 0.93) and small-size (AUC 0.95) ES effectively. In addition, the classifier had good ability to differentiate ES from primary benign bone lesions (AUC 0.77 for Ces, AUC 0.83 for Ces + age). Furthermore, Ces was associated with tumor metastasis and event-free survival (EFS) of ES patients and showed better performance than lactate dehydrogenase (LDH) in prognosis prediction. CONCLUSIONS Our study indicates that Ces has the potential to be a non-invasive biomarker for ES diagnosis and prognosis.BACKGROUND To investigate the diagnostic values of blood count values and ratios in distinguishing between peptic ulcer bleeding (PUB) and esophagogastric variceal bleeding (EGVB). METHODS Due to acute hematemesis and or melaena, 57 patients diagnosed with PUB (PUB group) and 33 cases with EGVB (EGVB group) were enrolled in this retrospective study. The levels of peripheral blood leukocyte counts (leukocyte), neutrophil counts (neutrophil), lymphocyte counts (lymphocyte), platelet counts (platelet), neutrophil to lymphocyte ratio (NLR), and platelet to lymphocyte ratio (PLR) were recorded and compared between the two groups. Student's t-test of independent samples was adopted for comparing the mean between the two groups. Model discrimination was evaluated using the area under the receiver operating characteristic curve (AUC). Comparison of AUC was performed using the Z-test. RESULTS The levels of leukocyte, neutrophil, lymphocyte, platelet, and PLR were significantly increased in PUB group compared with EGVB group (all p 0.0 Comentários 0 Compartilhamentos 9 Visualizações 0 Anterior -
Background The DX-Seizure study aims to evaluate the diagnostic accuracy (sensitivity, specificity, positive predictive value, negative predictive value, and likelihood ratio) of the ambulatory EEG in comparison with the first routine EEG, and a second routine EEG right before the ambulatory EEG, on adult patients with first single unprovoked seizure (FSUS) and define the utility of ambulatory EEG in forecasting seizure recurrence in these patients after 1-year follow-up. Methods The DX-Seizure study is a prospective cohort of 113 adult patients (≥18-year-old) presenting with FSUS to the Single Seizure Clinic for evaluation. These patients will be assessed by a neurologist/epileptologist with the first routine EEG (referral EEG) and undergo a second routine EEG and ambulatory EEG. The three EEG (first routine EEG as gold standard) will be compared and evaluated their diagnostic accuracy (sensitivity, specificity, positive predictive value, negative predictive value, and likelihood ratios) with respect of epileptiform activity and other abnormalities. One-year follow-up of each patient will be used to assess recurrence of seizures after a FSUS and the utility of the ambulatory EEG to forecast these recurrences. Discussion To the best of our knowledge, this will be the first study to prospectively examine the use of ambulatory EEG for a FSUS in adults and its use for prediction of recurrence of seizures. The overarching goal is to improve diagnostic accuracy with the use of ambulatory EEG in patients with their FSUS. We anticipate that this will decrease incorrect or uncertain diagnoses with resulting psychological and financial cost to the patient. We also anticipate that an improved method to predicting the recurrence of seizures will reduce the chances of repeated seizures and their consequences. Copyright © 2020 Hernández-Ronquillo, Thorpe, Dash, Hussein, Hunter, Waterhouse, Laboni Roy and Téllez-Zenteno.Introduction Elderly people often exhibit "frailty," and motor dysfunction occurs. Several studies have reported about the relationship between motor dysfunction and frailty in Parkinson's disease (PD). This study aimed to test whether the core exercise using the hybrid assistive limb lumbar type for care support (HAL-CB02) may improve the motor functions in frailty patients with or without PD and to explore the optimal patient selection from the frailty cohort. Materials and Methods We recruited 16 frailty patients (PD = 8; non-PD = 8). The participants performed core exercise and squats using HAL-CB02 for five sessions a week. Outcome measures were 10-m walking test, step length, timed up-and-go test, 30-s chair stand test, and visual analog scale. Evaluation was conducted at baseline, post-exercise, and 1- and 3-month follow-ups. Results Both PD and non-PD patients showed significant improvement in all evaluation items post-exercise. Moreover, no significant difference was found in the improvement value between the two groups. Conclusions Our results suggest that biofeedback exercise with HAL-CB02 is a safe and promising treatment for frailty patients. Motor dysfunction in PD patients may be partly due to physical frailty, and biofeedback exercise with HAL-CB02 is proposed as a treatment option. https://www.selleckchem.com/products/kt-413.html Copyright © 2020 Kotani, Morishita, Yatsugi, Fujioka, Kamada, Shiota, Tsuboi and Inoue.Cognition is claimed to be extended by a wide array of items, ranging from notebooks to social institutions. Although the connection between individuals and these items is usually referred to as "coupling," the difference between notebooks and social institutions is so vast that the meaning of "coupling" is bound to be different in each of these cases. In this paper I argue that the radical difference between "artifact-extended cognition" and "socially extended cognition" is not sufficiently highlighted in the literature. I argue that there are two different senses of "cognitive extension" at play, that I shall label, respectively, "implementation extension" and "impact extension." Whereas implementation extension is a causal-functional notion, impact-extension hinges on social normativity that is connected with organization and action coordination. I will argue that the two kinds of cognitive extension are different enough to warrant separate labels. Because the most salient form of social extension of cognition involves the reciprocal co-constitution of cognitive capacities, I will propose to set it apart from other types of extended cognition by using the label "symbiotic cognition." Copyright © 2020 Slors.This study aimed to determine whether math anxiety was related to working memory (WM) updating performance and, specifically, to the retrieval and substitution components of updating. A set of WM updating (WMU) tasks that involve different retrieval and substitution requirements were administered to 114 university students. In addition, participants completed a math anxiety assessment on two occasions 1-2 weeks before and immediately prior to task administration to increase the likelihood of observing the relationship between math anxiety and updating performance. The results showed a relationship between math anxiety scores and updating performance. Math anxious individuals took longer and made more errors, especially on tasks that required retrieving information from WM. These results suggest that math anxious individuals are less efficient when it comes to accessing numerical information in WM. Consequently, they may struggle with math-related tasks that involve retrieving numerical information from WM. Copyright © 2020 Pelegrina, Justicia-Galiano, Martín-Puga and Linares.Background Age-associated decline in cognition and balance may cause severe ability loss for daily living activities among middle-aged and older adults. The relationship between cognition and balance in this aging population remains to be explored. Objective The present study Is exploratory in nature and aimed to examine the relationship between balance (both static and dynamic components) and global cognitive function among middle-aged and older adults through Tai Chi (TC) practice as a research avenue. Methods A short-term (12 weeks) intervention of TC was conducted among middle-aged and older adults in the community setting. Global cognitive function (using the Chinese version of the Montreal Cognitive Assessment score (****) and balance (i.e., one leg standing test score; Timed Up and Go Test score, TUGT) of all participants were assessed before and after the intervention. Age, body mass index (BMI), sex, and physical fitness variables (Chair Stand Test, CST; the 6-Meter Walk Test, 6MWT) were also collected as confounding factors.
Background The DX-Seizure study aims to evaluate the diagnostic accuracy (sensitivity, specificity, positive predictive value, negative predictive value, and likelihood ratio) of the ambulatory EEG in comparison with the first routine EEG, and a second routine EEG right before the ambulatory EEG, on adult patients with first single unprovoked seizure (FSUS) and define the utility of ambulatory EEG in forecasting seizure recurrence in these patients after 1-year follow-up. Methods The DX-Seizure study is a prospective cohort of 113 adult patients (≥18-year-old) presenting with FSUS to the Single Seizure Clinic for evaluation. These patients will be assessed by a neurologist/epileptologist with the first routine EEG (referral EEG) and undergo a second routine EEG and ambulatory EEG. The three EEG (first routine EEG as gold standard) will be compared and evaluated their diagnostic accuracy (sensitivity, specificity, positive predictive value, negative predictive value, and likelihood ratios) with respect of epileptiform activity and other abnormalities. One-year follow-up of each patient will be used to assess recurrence of seizures after a FSUS and the utility of the ambulatory EEG to forecast these recurrences. Discussion To the best of our knowledge, this will be the first study to prospectively examine the use of ambulatory EEG for a FSUS in adults and its use for prediction of recurrence of seizures. The overarching goal is to improve diagnostic accuracy with the use of ambulatory EEG in patients with their FSUS. We anticipate that this will decrease incorrect or uncertain diagnoses with resulting psychological and financial cost to the patient. We also anticipate that an improved method to predicting the recurrence of seizures will reduce the chances of repeated seizures and their consequences. Copyright © 2020 Hernández-Ronquillo, Thorpe, Dash, Hussein, Hunter, Waterhouse, Laboni Roy and Téllez-Zenteno.Introduction Elderly people often exhibit "frailty," and motor dysfunction occurs. Several studies have reported about the relationship between motor dysfunction and frailty in Parkinson's disease (PD). This study aimed to test whether the core exercise using the hybrid assistive limb lumbar type for care support (HAL-CB02) may improve the motor functions in frailty patients with or without PD and to explore the optimal patient selection from the frailty cohort. Materials and Methods We recruited 16 frailty patients (PD = 8; non-PD = 8). The participants performed core exercise and squats using HAL-CB02 for five sessions a week. Outcome measures were 10-m walking test, step length, timed up-and-go test, 30-s chair stand test, and visual analog scale. Evaluation was conducted at baseline, post-exercise, and 1- and 3-month follow-ups. Results Both PD and non-PD patients showed significant improvement in all evaluation items post-exercise. Moreover, no significant difference was found in the improvement value between the two groups. Conclusions Our results suggest that biofeedback exercise with HAL-CB02 is a safe and promising treatment for frailty patients. Motor dysfunction in PD patients may be partly due to physical frailty, and biofeedback exercise with HAL-CB02 is proposed as a treatment option. https://www.selleckchem.com/products/kt-413.html Copyright © 2020 Kotani, Morishita, Yatsugi, Fujioka, Kamada, Shiota, Tsuboi and Inoue.Cognition is claimed to be extended by a wide array of items, ranging from notebooks to social institutions. Although the connection between individuals and these items is usually referred to as "coupling," the difference between notebooks and social institutions is so vast that the meaning of "coupling" is bound to be different in each of these cases. In this paper I argue that the radical difference between "artifact-extended cognition" and "socially extended cognition" is not sufficiently highlighted in the literature. I argue that there are two different senses of "cognitive extension" at play, that I shall label, respectively, "implementation extension" and "impact extension." Whereas implementation extension is a causal-functional notion, impact-extension hinges on social normativity that is connected with organization and action coordination. I will argue that the two kinds of cognitive extension are different enough to warrant separate labels. Because the most salient form of social extension of cognition involves the reciprocal co-constitution of cognitive capacities, I will propose to set it apart from other types of extended cognition by using the label "symbiotic cognition." Copyright © 2020 Slors.This study aimed to determine whether math anxiety was related to working memory (WM) updating performance and, specifically, to the retrieval and substitution components of updating. A set of WM updating (WMU) tasks that involve different retrieval and substitution requirements were administered to 114 university students. In addition, participants completed a math anxiety assessment on two occasions 1-2 weeks before and immediately prior to task administration to increase the likelihood of observing the relationship between math anxiety and updating performance. The results showed a relationship between math anxiety scores and updating performance. Math anxious individuals took longer and made more errors, especially on tasks that required retrieving information from WM. These results suggest that math anxious individuals are less efficient when it comes to accessing numerical information in WM. Consequently, they may struggle with math-related tasks that involve retrieving numerical information from WM. Copyright © 2020 Pelegrina, Justicia-Galiano, Martín-Puga and Linares.Background Age-associated decline in cognition and balance may cause severe ability loss for daily living activities among middle-aged and older adults. The relationship between cognition and balance in this aging population remains to be explored. Objective The present study Is exploratory in nature and aimed to examine the relationship between balance (both static and dynamic components) and global cognitive function among middle-aged and older adults through Tai Chi (TC) practice as a research avenue. Methods A short-term (12 weeks) intervention of TC was conducted among middle-aged and older adults in the community setting. Global cognitive function (using the Chinese version of the Montreal Cognitive Assessment score (MoCA) and balance (i.e., one leg standing test score; Timed Up and Go Test score, TUGT) of all participants were assessed before and after the intervention. Age, body mass index (BMI), sex, and physical fitness variables (Chair Stand Test, CST; the 6-Meter Walk Test, 6MWT) were also collected as confounding factors.0 Comentários 0 Compartilhamentos 9 Visualizações 0 Anterior -
We also demonstrate that the impact of the cytotoxic agent cytarabine is selectively enhanced by a high-potency statin. The cholesterol biosynthesis programme is amenable to additional translational opportunities within the expanding AML therapeutic landscape. Our findings support the further investigation of higher-potency statin (eg rosuvastatin)-based combination therapies to enhance targeting residual AML cells that reside in low O2 environments.Introduction To create and clinically validate knowledge-based planning (KBP) models for gynaecologic (GYN) and rectal cancer patients. https://www.selleckchem.com/products/avelumab.html Assessment of ecologic generalisability and predictive validity of conventional planning versus single calculation KBP was reviewed against practical metrics of planning time (PT) and radiation oncologist plan preference. Method Study cohorts were 34 and 42 consecutively treated GYN and rectal cancer patients dosimetrically archived within the centre's research databank. For model training, structures and dose distributions from 22 and 32 GYN and rectal volumetric-modulated arc therapy (VMAT) plans were used in RapidPlan™. Prescription doses ranged from 45 to 60Gy in 25 fractions using a simultaneous integrated boost to 2-4 targets and up to 9 organ-at-risk volumes. For model validation, 12 GYN and 10 rectal were independent of the archive and a single pass KBP VMAT plan was created. Each plan was evaluated against the archived treated plan under blinded conditions for radiation oncologist preference using standard dosimetric quality parameters. Results All 22 plans generated in the KBP validation cohort met pre-set GYN and rectal cancer dosimetric quality metrics. Fifty per cent of GYN plans and eighty per cent of rectal plans were judged superior to the manually optimised plans. KBP reduced PT considerably for both tumour sites. Conclusion Single pass KBP for GYN and rectal cancer patients produced clinically acceptable treatment plans which were non-inferior to conventionally optimised plans in 14 of 22 cases. Efficiencies captured by KBP will have predictable impacts on institutional workflows and resource allocation to facilitate adaptive planning.Introduction Teaching and supervision of medical imaging students are part of the role of many radiographers, yet they are frequently unsupported in the development of their role as a teacher. This study explores radiographers' experiences and level of confidence in teaching and establishes the areas of support they require to be more effective in their clinical teaching role. Methods Sixty radiographers from across Australia completed an anonymous questionnaire, and nine radiographers participated in focus groups. Thematic analysis was conducted on the qualitative data, whilst quantitative data were analysed using one-way ANOVA and reported as descriptive statistics. Results The findings demonstrate that radiographers were mostly confident in the domains of familiarising students to the practice environment, supervising students and assisting students to integrate into the practice environment, but were less confident in facilitating students' learning. Radiographers have identified the teaching skills and attributes they currently possess and the areas in which they need further development. Conclusions This study calls for support for radiographers in their teaching role and provides guidance for education providers wanting to design education to support radiographers' learning needs for teaching.This study is one of a very few prospective long-term studies in autism spectrum disorder (ASD). The study compared outcome trajectories in three adolescent groups (T2) "best outcome" (BO, n = 11) did not meet cut-off points for ASD and IQ scores ≥85; high functioning (HF-ASD, n = 14); and lower functioning (LF-ASD, n = 43). Additionally, the study searched for characteristics at toddlerhood (T1) that may predict belonging to the above groups. The study included 68 adolescents (63 males) diagnosed with ASD at toddlerhood (mean age 1310 years), mean follow-up time was 117 years. Participants underwent comprehensive assessments at T1 and T2. Different trajectories were found for the three defined groups. The BO group improved significantly in cognitive ability, autism severity, and adaptive skills in comparison to no improvement for the LF-ASD group or partial progress for the HF-ASD group. At toddlerhood, better cognition and less severe autism social affect symptoms were generally associated with a better outsm symptoms, mostly in sharing interests, compared to the LF-ASD group. The BO group had fewer inattention and anxiety symptoms than the two ASD groups. Additionally, early cognitive level and social engagement behaviors predicted outcome in ASD.Management of proximal tibial fractures is a challenging issue in patients with rheumatoid arthritis (RA). In the present study, we aimed to describe our experience of acute total knee replacement in RA patients.This case series included 11 RA patients with simultaneous insufficiency fractures of the proximal tibia, who were treated by acute total knee replacement. Midterm functional results, severity of pain, Hospital for Special Surgery (HSS), and Knee Society Score (KSS) parameters were evaluated in this study. The patients were followed up for 24 months.Eleven women with proximal tibial fractures and history of RA (mean age 54.3 ± 4.7 years) were enrolled in this study. The mean score of Tegner activity scale was 2.2 ± 1.4 preoperatively, which significantly improved to 4.3 ± 1.4 postoperatively (p less then 0.001). The two sections of KSS (knee and function section) averaged 88.7 ± 5.4 and 59.4 ± 8.2, respectively. There wasn't poor outcome and excellent result was in knee section 54.5% and function section 36.3% based on KSS. The mean score of pain severity during normal activity before fracture was 65.2 ± 12.3, which significantly reduced to 35.5 ± 11.3 in the final follow-up (p = 0.02). The score of HSS scale improved from 42 (range 16-58) in the preoperative stage to 78 (range 72-91) after surgery (p less then 0.001). In the 6-month follow-up, deep vein thrombosis was reported in two patients. The time required to return to normal activity was 5.5 ± 2.3 months.Based on the findings, total knee replacement therapy in patients with RA and proximal tibial fractures produced excellent clinical outcomes, which led to rapid return to normal activity. This is a Level IV, therapeutic study.
We also demonstrate that the impact of the cytotoxic agent cytarabine is selectively enhanced by a high-potency statin. The cholesterol biosynthesis programme is amenable to additional translational opportunities within the expanding AML therapeutic landscape. Our findings support the further investigation of higher-potency statin (eg rosuvastatin)-based combination therapies to enhance targeting residual AML cells that reside in low O2 environments.Introduction To create and clinically validate knowledge-based planning (KBP) models for gynaecologic (GYN) and rectal cancer patients. https://www.selleckchem.com/products/avelumab.html Assessment of ecologic generalisability and predictive validity of conventional planning versus single calculation KBP was reviewed against practical metrics of planning time (PT) and radiation oncologist plan preference. Method Study cohorts were 34 and 42 consecutively treated GYN and rectal cancer patients dosimetrically archived within the centre's research databank. For model training, structures and dose distributions from 22 and 32 GYN and rectal volumetric-modulated arc therapy (VMAT) plans were used in RapidPlan™. Prescription doses ranged from 45 to 60Gy in 25 fractions using a simultaneous integrated boost to 2-4 targets and up to 9 organ-at-risk volumes. For model validation, 12 GYN and 10 rectal were independent of the archive and a single pass KBP VMAT plan was created. Each plan was evaluated against the archived treated plan under blinded conditions for radiation oncologist preference using standard dosimetric quality parameters. Results All 22 plans generated in the KBP validation cohort met pre-set GYN and rectal cancer dosimetric quality metrics. Fifty per cent of GYN plans and eighty per cent of rectal plans were judged superior to the manually optimised plans. KBP reduced PT considerably for both tumour sites. Conclusion Single pass KBP for GYN and rectal cancer patients produced clinically acceptable treatment plans which were non-inferior to conventionally optimised plans in 14 of 22 cases. Efficiencies captured by KBP will have predictable impacts on institutional workflows and resource allocation to facilitate adaptive planning.Introduction Teaching and supervision of medical imaging students are part of the role of many radiographers, yet they are frequently unsupported in the development of their role as a teacher. This study explores radiographers' experiences and level of confidence in teaching and establishes the areas of support they require to be more effective in their clinical teaching role. Methods Sixty radiographers from across Australia completed an anonymous questionnaire, and nine radiographers participated in focus groups. Thematic analysis was conducted on the qualitative data, whilst quantitative data were analysed using one-way ANOVA and reported as descriptive statistics. Results The findings demonstrate that radiographers were mostly confident in the domains of familiarising students to the practice environment, supervising students and assisting students to integrate into the practice environment, but were less confident in facilitating students' learning. Radiographers have identified the teaching skills and attributes they currently possess and the areas in which they need further development. Conclusions This study calls for support for radiographers in their teaching role and provides guidance for education providers wanting to design education to support radiographers' learning needs for teaching.This study is one of a very few prospective long-term studies in autism spectrum disorder (ASD). The study compared outcome trajectories in three adolescent groups (T2) "best outcome" (BO, n = 11) did not meet cut-off points for ASD and IQ scores ≥85; high functioning (HF-ASD, n = 14); and lower functioning (LF-ASD, n = 43). Additionally, the study searched for characteristics at toddlerhood (T1) that may predict belonging to the above groups. The study included 68 adolescents (63 males) diagnosed with ASD at toddlerhood (mean age 1310 years), mean follow-up time was 117 years. Participants underwent comprehensive assessments at T1 and T2. Different trajectories were found for the three defined groups. The BO group improved significantly in cognitive ability, autism severity, and adaptive skills in comparison to no improvement for the LF-ASD group or partial progress for the HF-ASD group. At toddlerhood, better cognition and less severe autism social affect symptoms were generally associated with a better outsm symptoms, mostly in sharing interests, compared to the LF-ASD group. The BO group had fewer inattention and anxiety symptoms than the two ASD groups. Additionally, early cognitive level and social engagement behaviors predicted outcome in ASD.Management of proximal tibial fractures is a challenging issue in patients with rheumatoid arthritis (RA). In the present study, we aimed to describe our experience of acute total knee replacement in RA patients.This case series included 11 RA patients with simultaneous insufficiency fractures of the proximal tibia, who were treated by acute total knee replacement. Midterm functional results, severity of pain, Hospital for Special Surgery (HSS), and Knee Society Score (KSS) parameters were evaluated in this study. The patients were followed up for 24 months.Eleven women with proximal tibial fractures and history of RA (mean age 54.3 ± 4.7 years) were enrolled in this study. The mean score of Tegner activity scale was 2.2 ± 1.4 preoperatively, which significantly improved to 4.3 ± 1.4 postoperatively (p less then 0.001). The two sections of KSS (knee and function section) averaged 88.7 ± 5.4 and 59.4 ± 8.2, respectively. There wasn't poor outcome and excellent result was in knee section 54.5% and function section 36.3% based on KSS. The mean score of pain severity during normal activity before fracture was 65.2 ± 12.3, which significantly reduced to 35.5 ± 11.3 in the final follow-up (p = 0.02). The score of HSS scale improved from 42 (range 16-58) in the preoperative stage to 78 (range 72-91) after surgery (p less then 0.001). In the 6-month follow-up, deep vein thrombosis was reported in two patients. The time required to return to normal activity was 5.5 ± 2.3 months.Based on the findings, total knee replacement therapy in patients with RA and proximal tibial fractures produced excellent clinical outcomes, which led to rapid return to normal activity. This is a Level IV, therapeutic study.0 Comentários 0 Compartilhamentos 9 Visualizações 0 Anterior -
The presence of polymorphisms explained only 4.1% of time to therapeutic range for acenocoumarol in a multivariate linear model. These results improve our understanding of the basis of ethnic variations in drug metabolism and response to oral anticoagulant therapy. We hope that these findings will contribute to developing an algorithm for VKA dose adjustment in the Chilean population in the near future, decreasing the frequency of stroke, systemic embolism, and bleeding-related adverse events.Covid-19 is a global pandemic that is wreaking havoc with the health and economy of **** of human civilization. Electrophysiologists have been impacted personally and professionally by this global catastrophe. In this joint document from representatives of the HRS, ACC and AHA we identify the potential risks of exposure to patients, allied health care staff, industry representatives and hospital administrators. We describe the impact of COVID-19 on cardiac arrhythmias and methods of triage based on acuity and patient comorbidities. We provide guidance for managing invasive and non-invasive electrophysiology procedures, clinic visits and cardiac device interrogations. We discuss resource conservation and the role of tele-medicine in remote patient care along with management strategies for affected patients.Background Studies showed that miR-532-5p suppresses proliferation and induces apoptosis of lung cancer (LC) cells; its role in LC is not fully understood. Therefore, this research aimed to reveal the effect and mechanism of miR-532-5p on migration and invasion of LC cells. Materials and Methods The transfection efficiencies of miR-532-5p mimic, inhibitor, and overexpressed CCR4 were measured by quantitative real-time polymerase chain reaction (qRT-PCR). The relationships between miR-532-5p and CCR4 in A549 and SBC-5 cells were predicted by targetScan and verified by dual-luciferase reporter assay, Western blot, and qRT-PCR. Migration and invasion of cells transfected with miR-532-5p mimic, inhibitor, and CCR4 were determined by scratch test and transwell assay, respectively. The levels of epithelial-to-mesenchymal transition (EMT)-related proteins (E-cadherin (E-***)), N-catenin (N-***), and vimentin) in cells were measured by Western blot. Results MiR-532-5p mimic suppressed migration and invasion, while miR-532-5p inhibitor promoted migration and invasion of cells. CCR4 was a downstream target of miR-532-5p and both its protein and mRNA expressions were inhibited by miR-532-5p mimic, but promoted by miR-532-5p inhibitor. CCR4 promoted migration, invasion, and EMT process, and such effects of CCR4 were reversed by miR-532-5p mimic. Conclusion MiR-532-5p functioned as a cancer suppressor by negatively regulating CCR4 in LC cells, pointing to a potential protective mechanism of miR-532-5p to LC patients.Objective/Background Insomnia and depression are disorders that affect many perinatal women and that often are interrelated. The present study aimed to examine concurrent and prospective associations between mid-pregnancy insomnia and depression during mid-pregnancy and 8 weeks postpartum. Furthermore, differences in depression and in the sleep-related characteristics insomnia, chronotype, and sleep efficiency were explored between the two time points (mid-pregnancy versus 8 weeks postpartum), and between primiparous and multiparous participants.Participants/Methods The study was part of the Norwegian population-based Depression and Anxiety in the Perinatal Period (DAPP) prospective cohort study. Among 539 women that were recruited for participation when receiving a routine ultrasound examination, we analyzed data from hospital birth records and questionnaire responses from pregnancy week 17 and postpartum week 8. We used the Edinburgh Postnatal Depression Scale to measure depression. The Bergen Insomnia Scale, the reduced Horne-Östberg Morningness-Eveningness Questionnaire, and three questions from the Pittsburgh Sleep Quality Index were used to measure the sleep-related characteristics.Results Mid-pregnancy insomnia was significantly associated with concurrent depression (p less then .001), but not with postpartum depression (p = .288), in a linear mixed model with adjustment for several reproductive and psychosocial variables. Sleep efficiency was reduced from mid-pregnancy to postpartum (from 88% to 77%), and primiparous women reported less efficient sleep than multiparous women after childbirth.Conclusions The results indicate that mid-pregnancy insomnia may be a marker for concurrent depression but not a predictor of postpartum depression. Future research should examine the extent to which treatment of insomnia from mid-pregnancy on reduces both perinatal insomnia and depression.BACKGROUND AND METHODS In this study, we surveyed 761 psychiatric hospital staff (69% women, 71% full-time, 56% nursing) regarding their exposure to trauma in the workplace; symptoms of post-traumatic stress disorder (PTSD), depression, and anxiety; help seeking; and perceived barriers for help seeking. RESULTS Significant proportions of staff met the screening cutoffs for probable PTSD (16%), depression (20%), and anxiety (16%). Comorbidity was high, with approximately half of those meeting the screening cutoff for PTSD also meeting the cutoffs for depression or anxiety. Only PTSD symptoms were uniquely associated with exposure to trauma in the workplace, but both PTSD and depression symptoms significantly predicted help seeking. Staff who met one or more screening cutoffs perceived more barriers to help seeking such as difficulty with accessing services. CONCLUSION Implications for supporting psychiatric staff exposed to trauma are discussed.Objective The primary objective of this study was to track the incidence and progression of traumatic microbleeds (TMBs) for up to five years following traumatic brain injury (TBI).Methods Thirty patients with mild, moderate, or severe TBI received initial MRI within 48 h of injury and continued in a longitudinal study for up to five years. The incidence and progression of MRI findings was assessed across the five year period. In addition to TMBs, we noted the presence of other imaging findings including diffusion weighted imaging (DWI) lesions, extra-axial and intraventricular hemorrhage, hematoma, traumatic meningeal enhancement (TME), fluid-attenuated inversion recovery (FLAIR) hyperintensities, and encephalomalacia.Results TMBs were observed in 60% of patients at initial presentation. https://www.selleckchem.com/products/sonrotoclax.html At one-year follow-up, TMBs were more persistent than other neuroimaging findings, with 83% remaining visible on MRI. In patients receiving serial MRI 2-5 years post-injury, acute TMBs were visible on all follow-up scans. In contrast, most other imaging markers of TBI had either resolved or evolved into ambiguous abnormalities on imaging by one year post-injury.
The presence of polymorphisms explained only 4.1% of time to therapeutic range for acenocoumarol in a multivariate linear model. These results improve our understanding of the basis of ethnic variations in drug metabolism and response to oral anticoagulant therapy. We hope that these findings will contribute to developing an algorithm for VKA dose adjustment in the Chilean population in the near future, decreasing the frequency of stroke, systemic embolism, and bleeding-related adverse events.Covid-19 is a global pandemic that is wreaking havoc with the health and economy of much of human civilization. Electrophysiologists have been impacted personally and professionally by this global catastrophe. In this joint document from representatives of the HRS, ACC and AHA we identify the potential risks of exposure to patients, allied health care staff, industry representatives and hospital administrators. We describe the impact of COVID-19 on cardiac arrhythmias and methods of triage based on acuity and patient comorbidities. We provide guidance for managing invasive and non-invasive electrophysiology procedures, clinic visits and cardiac device interrogations. We discuss resource conservation and the role of tele-medicine in remote patient care along with management strategies for affected patients.Background Studies showed that miR-532-5p suppresses proliferation and induces apoptosis of lung cancer (LC) cells; its role in LC is not fully understood. Therefore, this research aimed to reveal the effect and mechanism of miR-532-5p on migration and invasion of LC cells. Materials and Methods The transfection efficiencies of miR-532-5p mimic, inhibitor, and overexpressed CCR4 were measured by quantitative real-time polymerase chain reaction (qRT-PCR). The relationships between miR-532-5p and CCR4 in A549 and SBC-5 cells were predicted by targetScan and verified by dual-luciferase reporter assay, Western blot, and qRT-PCR. Migration and invasion of cells transfected with miR-532-5p mimic, inhibitor, and CCR4 were determined by scratch test and transwell assay, respectively. The levels of epithelial-to-mesenchymal transition (EMT)-related proteins (E-cadherin (E-Cad)), N-catenin (N-Cad), and vimentin) in cells were measured by Western blot. Results MiR-532-5p mimic suppressed migration and invasion, while miR-532-5p inhibitor promoted migration and invasion of cells. CCR4 was a downstream target of miR-532-5p and both its protein and mRNA expressions were inhibited by miR-532-5p mimic, but promoted by miR-532-5p inhibitor. CCR4 promoted migration, invasion, and EMT process, and such effects of CCR4 were reversed by miR-532-5p mimic. Conclusion MiR-532-5p functioned as a cancer suppressor by negatively regulating CCR4 in LC cells, pointing to a potential protective mechanism of miR-532-5p to LC patients.Objective/Background Insomnia and depression are disorders that affect many perinatal women and that often are interrelated. The present study aimed to examine concurrent and prospective associations between mid-pregnancy insomnia and depression during mid-pregnancy and 8 weeks postpartum. Furthermore, differences in depression and in the sleep-related characteristics insomnia, chronotype, and sleep efficiency were explored between the two time points (mid-pregnancy versus 8 weeks postpartum), and between primiparous and multiparous participants.Participants/Methods The study was part of the Norwegian population-based Depression and Anxiety in the Perinatal Period (DAPP) prospective cohort study. Among 539 women that were recruited for participation when receiving a routine ultrasound examination, we analyzed data from hospital birth records and questionnaire responses from pregnancy week 17 and postpartum week 8. We used the Edinburgh Postnatal Depression Scale to measure depression. The Bergen Insomnia Scale, the reduced Horne-Östberg Morningness-Eveningness Questionnaire, and three questions from the Pittsburgh Sleep Quality Index were used to measure the sleep-related characteristics.Results Mid-pregnancy insomnia was significantly associated with concurrent depression (p less then .001), but not with postpartum depression (p = .288), in a linear mixed model with adjustment for several reproductive and psychosocial variables. Sleep efficiency was reduced from mid-pregnancy to postpartum (from 88% to 77%), and primiparous women reported less efficient sleep than multiparous women after childbirth.Conclusions The results indicate that mid-pregnancy insomnia may be a marker for concurrent depression but not a predictor of postpartum depression. Future research should examine the extent to which treatment of insomnia from mid-pregnancy on reduces both perinatal insomnia and depression.BACKGROUND AND METHODS In this study, we surveyed 761 psychiatric hospital staff (69% women, 71% full-time, 56% nursing) regarding their exposure to trauma in the workplace; symptoms of post-traumatic stress disorder (PTSD), depression, and anxiety; help seeking; and perceived barriers for help seeking. RESULTS Significant proportions of staff met the screening cutoffs for probable PTSD (16%), depression (20%), and anxiety (16%). Comorbidity was high, with approximately half of those meeting the screening cutoff for PTSD also meeting the cutoffs for depression or anxiety. Only PTSD symptoms were uniquely associated with exposure to trauma in the workplace, but both PTSD and depression symptoms significantly predicted help seeking. Staff who met one or more screening cutoffs perceived more barriers to help seeking such as difficulty with accessing services. CONCLUSION Implications for supporting psychiatric staff exposed to trauma are discussed.Objective The primary objective of this study was to track the incidence and progression of traumatic microbleeds (TMBs) for up to five years following traumatic brain injury (TBI).Methods Thirty patients with mild, moderate, or severe TBI received initial MRI within 48 h of injury and continued in a longitudinal study for up to five years. The incidence and progression of MRI findings was assessed across the five year period. In addition to TMBs, we noted the presence of other imaging findings including diffusion weighted imaging (DWI) lesions, extra-axial and intraventricular hemorrhage, hematoma, traumatic meningeal enhancement (TME), fluid-attenuated inversion recovery (FLAIR) hyperintensities, and encephalomalacia.Results TMBs were observed in 60% of patients at initial presentation. https://www.selleckchem.com/products/sonrotoclax.html At one-year follow-up, TMBs were more persistent than other neuroimaging findings, with 83% remaining visible on MRI. In patients receiving serial MRI 2-5 years post-injury, acute TMBs were visible on all follow-up scans. In contrast, most other imaging markers of TBI had either resolved or evolved into ambiguous abnormalities on imaging by one year post-injury.0 Comentários 0 Compartilhamentos 10 Visualizações 0 Anterior -
To compare the visual and anatomical outcomes of two different treatment strategies (non-internal limiting membrane (ILM) peeling and fovea-sparing ILM peeling) for retinoschisis with foveal detachment (FD) in highly myopic eyes.
A retrospective cohort study.
Ninety-five eyes from 92 highly myopic patients with retinoschisis with FD were divided into two groups, including 44 eyes from 43 patients who received 23-gauge, 3-port vitrectomy without ILM peeling (group A) and 51 eyes from 49 patients who received vitrectomy with fovea-sparing ILM peeling (group B). All eyes also underwent cataract surgery.
There were no significant differences between the two groups in terms of sex, age, diopters, axial length (AL), or central foveal thickness (CFT) before surgery (P > 0.05). One month after surgery, foveoschisis and FD were resolved in 74.47% of the eyes in group B and in only 12.50% of those in group A. Six months after surgery, foveoschisis and FD were resolved in 96.08% of the eyes in group B and in only 72.73% of those in group A (P < 0.05). There were no significant differences between the two groups in terms of BCVA 6 months after surgery. The postoperative complication was macular holes, which were found in seven eyes (15.90%) in group A and in one eye (1.96%) in group B (P < 0.05).
Highly myopic eyes with FD that underwent fovea-sparing ILM peeling appeared to obtain a better anatomical outcome than those that did not undergo non-ILM peeling. The two procedures obtained similar results in terms of visual function.
Highly myopic eyes with FD that underwent fovea-sparing ILM peeling appeared to obtain a better anatomical outcome than those that did not undergo non-ILM peeling. The two procedures obtained similar results in terms of visual function.
Increasing demand for surgeon accountability requires regular audit of individual and institutional performances. Electronic record systems proclaim efficient audit systems, but how does Medisoft live up to the hype? We present our experiences and examine how well Medisoft's audit suite meets clinical audit needs.
Medisoft audit suite was used to audit all ptosis procedures undertaken during 2010-14 in Gloucestershire Hospitals NHS Foundation Trust. Repeat audit identified all ptosis procedures done in the trust since Medisoft was introduced; these data were cross-referenced to determine true re-operation rates.
350 operations were performed on 304 patients over 427 eyes in 5 years. 40 of 304 patients (13%) have thus far required more than one operation on at least one eye. Cross-referencing the data revealed that 11 of these patients' audit-period operations were re-operations, and 18 patients were re-operated after the audit period. In total 26/40 patients (65%) would have been missed if the data had the audit window. https://www.selleckchem.com/products/l-ornithine-l-aspartate.html This could be eliminated in future if Medisoft made small changes to input of data that highlights repeat operations and their indications.The role of hyperhomocysteinemia (HHcy) and thyroid dysfunction in ischemic stroke with non-valvular atrial fibrillation (AF) remains controversial. Till now, the relationship between HHcy and thyroid dysfunction in ischemic stroke with non-valvular AF has not been reported. The aim of this study was to investigate the role and relationship of HHcy and thyroid dysfunction in ischemic stroke patients with non-valvular AF. Seven hundred and seventeen patients with acute ischemic stroke within the first 7 days of symptom onset were consecutively included in this study. Eligible patients were divided into AF group and without AF group. Variables including age, sex, smoke, drink, history of stroke were collected. Levels of homocysteine (Hcy), thyroid-stimulating hormone were evaluated at presentation. Multivariable logistic regression and spearman bivariate correlate analysis were used to evaluate the relationship of HHcy and thyroid dysfunction in ischemic stroke patients with AF. There were 122 patients with AF and 595 patients without AF. Two hundred and eighty-eight (40.2%) patients had HHcy and Three hundred and sixteen (44.1%) patients had thyroid dysfunction. There was significant difference of serum Hcy (P = 0.014) and thyroxine levels (P = 0.002) between patients with and without AF. Furthermore, the difference of serum Hcy (P = 0.007) and thyroxine levels (P = 0.004) between patients with and without AF was also significant in female subgroups. We did not find association between HHcy and thyroid dysfunction in AF group (P = 0.463). In conclusion, both HHcy and thyroid dysfunction were associated with AF in patients with acute ischemic stroke and in female subgroup patients. However, thyroid dysfunction had no relationship with HHcy in ischemic stroke patients with AF.The genus Macrocnemus is a member of the Tanystropheidae, a clade of non-archosauriform archosauromorphs well known for their very characteristic, elongated cervical vertebrae. Articulated specimens are known from the Middle Triassic of Alpine Europe and China. Although multiple articulated specimens are known, description of the cranial morphology has proven challenging due to the crushed preservation of the specimens. Here we use synchrotron micro computed tomography to analyse the cranial morphology of a specimen of the type species Macrocnemus bassanii from the Besano Formation of Monte San Giorgio, Ticino, Switzerland. The skull is virtually complete and we identify and describe the braincase and palatal elements as well the atlas-axis complex for the first time. Moreover, we add to the knowledge of the morphology of the skull roof, rostrum and hemimandible, and reconstruct the cranium of M. bassanii in 3D using the rendered models of the elements. The circumorbital bones were found to be similar in morphology to those of the archosauromorphs Prolacerta broomi and Protorosaurus speneri. In addition, we confirm the palatine, vomer and pterygoid to be tooth-bearing palatal bones, but also observed heterodonty on the pterygoid and the palatine.Ideas on hominin evolution have long invoked the emergence from forests into open habitats as generating selection for traits such as bipedalism and dietary shifts. Though controversial, the savanna hypothesis continues to motivate research into the palaeo-environments of Africa. Reconstruction of these ancient environments has depended heavily on carbon isotopic analysis of fossil bones and palaeosols. The sparsity of the fossil record, however, imposes a limit to the strength of inference that can be drawn from such data. Time-calibrated phylogenies offer an additional tool for dating the spread of savanna habitat. Here, using the evolutionary ages of African savanna trees, we suggest an initial tropical or subtropical expansion of savanna between 10 and 15 Ma, which then extended to higher latitudes, reaching southern Africa ca. 3 Ma. Our phylogenetic estimates of the origin and latitudinal spread of savannas broadly correspond with isotopic age estimates and encompass the entire hominin fossil record. Our results are consistent with the savanna hypothesis of early hominin evolution and reignite the debate on the drivers of savanna expansion.
To compare the visual and anatomical outcomes of two different treatment strategies (non-internal limiting membrane (ILM) peeling and fovea-sparing ILM peeling) for retinoschisis with foveal detachment (FD) in highly myopic eyes. A retrospective cohort study. Ninety-five eyes from 92 highly myopic patients with retinoschisis with FD were divided into two groups, including 44 eyes from 43 patients who received 23-gauge, 3-port vitrectomy without ILM peeling (group A) and 51 eyes from 49 patients who received vitrectomy with fovea-sparing ILM peeling (group B). All eyes also underwent cataract surgery. There were no significant differences between the two groups in terms of sex, age, diopters, axial length (AL), or central foveal thickness (CFT) before surgery (P > 0.05). One month after surgery, foveoschisis and FD were resolved in 74.47% of the eyes in group B and in only 12.50% of those in group A. Six months after surgery, foveoschisis and FD were resolved in 96.08% of the eyes in group B and in only 72.73% of those in group A (P < 0.05). There were no significant differences between the two groups in terms of BCVA 6 months after surgery. The postoperative complication was macular holes, which were found in seven eyes (15.90%) in group A and in one eye (1.96%) in group B (P < 0.05). Highly myopic eyes with FD that underwent fovea-sparing ILM peeling appeared to obtain a better anatomical outcome than those that did not undergo non-ILM peeling. The two procedures obtained similar results in terms of visual function. Highly myopic eyes with FD that underwent fovea-sparing ILM peeling appeared to obtain a better anatomical outcome than those that did not undergo non-ILM peeling. The two procedures obtained similar results in terms of visual function. Increasing demand for surgeon accountability requires regular audit of individual and institutional performances. Electronic record systems proclaim efficient audit systems, but how does Medisoft live up to the hype? We present our experiences and examine how well Medisoft's audit suite meets clinical audit needs. Medisoft audit suite was used to audit all ptosis procedures undertaken during 2010-14 in Gloucestershire Hospitals NHS Foundation Trust. Repeat audit identified all ptosis procedures done in the trust since Medisoft was introduced; these data were cross-referenced to determine true re-operation rates. 350 operations were performed on 304 patients over 427 eyes in 5 years. 40 of 304 patients (13%) have thus far required more than one operation on at least one eye. Cross-referencing the data revealed that 11 of these patients' audit-period operations were re-operations, and 18 patients were re-operated after the audit period. In total 26/40 patients (65%) would have been missed if the data had the audit window. https://www.selleckchem.com/products/l-ornithine-l-aspartate.html This could be eliminated in future if Medisoft made small changes to input of data that highlights repeat operations and their indications.The role of hyperhomocysteinemia (HHcy) and thyroid dysfunction in ischemic stroke with non-valvular atrial fibrillation (AF) remains controversial. Till now, the relationship between HHcy and thyroid dysfunction in ischemic stroke with non-valvular AF has not been reported. The aim of this study was to investigate the role and relationship of HHcy and thyroid dysfunction in ischemic stroke patients with non-valvular AF. Seven hundred and seventeen patients with acute ischemic stroke within the first 7 days of symptom onset were consecutively included in this study. Eligible patients were divided into AF group and without AF group. Variables including age, sex, smoke, drink, history of stroke were collected. Levels of homocysteine (Hcy), thyroid-stimulating hormone were evaluated at presentation. Multivariable logistic regression and spearman bivariate correlate analysis were used to evaluate the relationship of HHcy and thyroid dysfunction in ischemic stroke patients with AF. There were 122 patients with AF and 595 patients without AF. Two hundred and eighty-eight (40.2%) patients had HHcy and Three hundred and sixteen (44.1%) patients had thyroid dysfunction. There was significant difference of serum Hcy (P = 0.014) and thyroxine levels (P = 0.002) between patients with and without AF. Furthermore, the difference of serum Hcy (P = 0.007) and thyroxine levels (P = 0.004) between patients with and without AF was also significant in female subgroups. We did not find association between HHcy and thyroid dysfunction in AF group (P = 0.463). In conclusion, both HHcy and thyroid dysfunction were associated with AF in patients with acute ischemic stroke and in female subgroup patients. However, thyroid dysfunction had no relationship with HHcy in ischemic stroke patients with AF.The genus Macrocnemus is a member of the Tanystropheidae, a clade of non-archosauriform archosauromorphs well known for their very characteristic, elongated cervical vertebrae. Articulated specimens are known from the Middle Triassic of Alpine Europe and China. Although multiple articulated specimens are known, description of the cranial morphology has proven challenging due to the crushed preservation of the specimens. Here we use synchrotron micro computed tomography to analyse the cranial morphology of a specimen of the type species Macrocnemus bassanii from the Besano Formation of Monte San Giorgio, Ticino, Switzerland. The skull is virtually complete and we identify and describe the braincase and palatal elements as well the atlas-axis complex for the first time. Moreover, we add to the knowledge of the morphology of the skull roof, rostrum and hemimandible, and reconstruct the cranium of M. bassanii in 3D using the rendered models of the elements. The circumorbital bones were found to be similar in morphology to those of the archosauromorphs Prolacerta broomi and Protorosaurus speneri. In addition, we confirm the palatine, vomer and pterygoid to be tooth-bearing palatal bones, but also observed heterodonty on the pterygoid and the palatine.Ideas on hominin evolution have long invoked the emergence from forests into open habitats as generating selection for traits such as bipedalism and dietary shifts. Though controversial, the savanna hypothesis continues to motivate research into the palaeo-environments of Africa. Reconstruction of these ancient environments has depended heavily on carbon isotopic analysis of fossil bones and palaeosols. The sparsity of the fossil record, however, imposes a limit to the strength of inference that can be drawn from such data. Time-calibrated phylogenies offer an additional tool for dating the spread of savanna habitat. Here, using the evolutionary ages of African savanna trees, we suggest an initial tropical or subtropical expansion of savanna between 10 and 15 Ma, which then extended to higher latitudes, reaching southern Africa ca. 3 Ma. Our phylogenetic estimates of the origin and latitudinal spread of savannas broadly correspond with isotopic age estimates and encompass the entire hominin fossil record. Our results are consistent with the savanna hypothesis of early hominin evolution and reignite the debate on the drivers of savanna expansion.0 Comentários 0 Compartilhamentos 9 Visualizações 0 Anterior -
To date, insect scale robots capable of controlled flight have used flapping-wings for generating lift, but this requires a complex and failure-prone mechanism. A simpler alternative is electrohydrodynamic (EHD) thrust, which requires no moving mechanical parts. In EHD, corona discharge generates a flow of ions in an electric field between two electrodes; the high-velocity ions transfer their kinetic energy to neutral air molecules through collisions, accelerating the gas and creating thrust. We introduce a fabrication process for EHD thruster based on 355 nm laser micromachining, which potentially allows for greater materials selection, such as fiber-based composites, than is possible with semiconductor-based lithographic processing. Our four-thruster device measures 1.8 × 2.5 cm and is composed of steel emitters and a lightweight carbon fiber mesh. We measured the electrical current and thrust of each thruster of our four-thruster design, showing agreement with the Townsend relation. The peak thrust of our device, at 5.2 kV, was measured to be 3.03 times its 37 mg (363.0 μN) mass using a precision balance. In free flight, we demonstrated liftoff at 4.6 kV.Canine osteosarcoma (OSA), the most common canine primary bone malignancy, has a highly aggressive biologic behavior. Despite current standard of care therapies, including amputation and adjuvant chemotherapy, most dogs still succumb to metastatic disease. Further investigations into molecular mechanisms and pathways driving OSA are needed to improve therapeutic options. The Hedgehog (HH) cell-signaling pathway has demonstrated involvement in human OSA. Several studies in canine OSA have found changes in expression of some HH pathway genes and demonstrated a role for HH transcription factors. However, the role of this pathway as well as the translational value of its targeting in canine OSA are still undefined. The objectives of this study were to determine the expression of HH components directly in canine OSA tissues and to evaluate the biologic impact of HH signaling inhibition in canine OSA cells. In situ hybridization was used to detect HH family mRNA expression in archived canine OSA tissues and revealed variable expression levels of these mRNAs in canine OSA tissues. The effect of a commercially available Smoothened inhibitor, vismodegib, was studied in established canine OSA cell lines. https://www.selleckchem.com/products/ugt8-in-1.html Alterations in cellular growth as well as assessment of downstream HH targets were evaluated. Although changes in cell growth were noted following Smoothened inhibition, inconsistent decreases in target gene expression were found. While treatment with vismodegib had a negative impact on canine OSA cell growth and viability, the mechanism remains unclear. Further studies are warranted to evaluate the clinical significance of canonical HH signaling in canine OSA.How well L2 English is understood and how L2 English speakers perceive one another within varying communication contexts has been studied relatively rarely, even though most speakers of English in the world are L2 speakers. In this matched-guise experiment (N = 1699) the effects of L1 and L2 English accents and communication context were tested on speech understandability (intelligibility, comprehensibility, interpretability) and speaker evaluations (status, affect, dynamism). German (N = 617), Spanish (N = 540), and Singaporean listeners (N = 542) were asked to evaluate three accents (Dutch-accented English, standard British English, standard American English) in three communication contexts (Lecture, Audio Tour, Job Pitch). The main finding is that the Dutch-accented English accent was understood as well as the two L1 English accents. Furthermore, Dutch-accented English evoked equally positive evaluations to the two L1 English accents in German listeners, and more positive evaluations than the two L1 English accents in Spanish and Singaporean listeners. These results suggest that accent training aimed at achieving an L1 English accent may not always be necessary for (Dutch) English language learners, especially when they are expected to mostly interact with other L2 speakers of English. More generally, our results indicate that L2 English speakers' understanding and their evaluation of L1 and L2 Englishes would not seem to reflect traditional language norms. Instead, they seem to reflect the socio-cultural embedding of a language norm in a Lingua Franca English speech community that does not view accent varieties as a hindrance to successful communication.Aggression between individuals of the same sex is almost ubiquitous across the animal kingdom. Winners of intrasexual contests often garner considerable fitness benefits, through greater access to mates, food, or social dominance. In females, aggression is often tightly linked to reproduction, with females displaying increases in aggressive behavior when mated, gestating or lactating, or when protecting dependent offspring. In the fruit fly, Drosophila melanogaster, females spend twice as long fighting over food after mating as when they are virgins. However, it is unknown when this increase in aggression begins or whether it is consistent across genotypes. Here we show that aggression in females increases between 2 to 4 hours after mating and remains elevated for at least a week after a single mating. In addition, this increase in aggression 24 hours after mating is consistent across three diverse genotypes, suggesting this may be a universal response to mating in the species. We also report here the first use of automated tracking and classification software to study female aggression in Drosophila and assess its accuracy for this behavior. Dissecting the genetic diversity and temporal patterns of female aggression assists us in better understanding its generality and adaptive function, and will facilitate the identification of its underlying mechanisms.About one third of foodborne illness outbreaks in Europe are acquired in the home and eating undercooked poultry is among consumption practices associated with illness. The aim of this study was to investigate whether actual and recommended practices for monitoring chicken doneness are safe. Seventy-five European households from five European countries were interviewed and videoed while cooking chicken in their private kitchens, including young single men, families with infants/in pregnancy and elderly over seventy years. A cross-national web-survey collected cooking practices for chicken from 3969 households. In a laboratory kitchen, chicken breast fillets were injected with cocktails of Salmonella and Campylobacter and cooked to core temperatures between 55 and 70°C. Microbial survival in the core and surface of the meat were determined. In a parallel experiment, core colour, colour of juice and texture were recorded. Finally, a range of cooking thermometers from the consumer market were evaluated. The field study identified nine practical approaches for deciding if the chicken was properly cooked.
To date, insect scale robots capable of controlled flight have used flapping-wings for generating lift, but this requires a complex and failure-prone mechanism. A simpler alternative is electrohydrodynamic (EHD) thrust, which requires no moving mechanical parts. In EHD, corona discharge generates a flow of ions in an electric field between two electrodes; the high-velocity ions transfer their kinetic energy to neutral air molecules through collisions, accelerating the gas and creating thrust. We introduce a fabrication process for EHD thruster based on 355 nm laser micromachining, which potentially allows for greater materials selection, such as fiber-based composites, than is possible with semiconductor-based lithographic processing. Our four-thruster device measures 1.8 × 2.5 cm and is composed of steel emitters and a lightweight carbon fiber mesh. We measured the electrical current and thrust of each thruster of our four-thruster design, showing agreement with the Townsend relation. The peak thrust of our device, at 5.2 kV, was measured to be 3.03 times its 37 mg (363.0 μN) mass using a precision balance. In free flight, we demonstrated liftoff at 4.6 kV.Canine osteosarcoma (OSA), the most common canine primary bone malignancy, has a highly aggressive biologic behavior. Despite current standard of care therapies, including amputation and adjuvant chemotherapy, most dogs still succumb to metastatic disease. Further investigations into molecular mechanisms and pathways driving OSA are needed to improve therapeutic options. The Hedgehog (HH) cell-signaling pathway has demonstrated involvement in human OSA. Several studies in canine OSA have found changes in expression of some HH pathway genes and demonstrated a role for HH transcription factors. However, the role of this pathway as well as the translational value of its targeting in canine OSA are still undefined. The objectives of this study were to determine the expression of HH components directly in canine OSA tissues and to evaluate the biologic impact of HH signaling inhibition in canine OSA cells. In situ hybridization was used to detect HH family mRNA expression in archived canine OSA tissues and revealed variable expression levels of these mRNAs in canine OSA tissues. The effect of a commercially available Smoothened inhibitor, vismodegib, was studied in established canine OSA cell lines. https://www.selleckchem.com/products/ugt8-in-1.html Alterations in cellular growth as well as assessment of downstream HH targets were evaluated. Although changes in cell growth were noted following Smoothened inhibition, inconsistent decreases in target gene expression were found. While treatment with vismodegib had a negative impact on canine OSA cell growth and viability, the mechanism remains unclear. Further studies are warranted to evaluate the clinical significance of canonical HH signaling in canine OSA.How well L2 English is understood and how L2 English speakers perceive one another within varying communication contexts has been studied relatively rarely, even though most speakers of English in the world are L2 speakers. In this matched-guise experiment (N = 1699) the effects of L1 and L2 English accents and communication context were tested on speech understandability (intelligibility, comprehensibility, interpretability) and speaker evaluations (status, affect, dynamism). German (N = 617), Spanish (N = 540), and Singaporean listeners (N = 542) were asked to evaluate three accents (Dutch-accented English, standard British English, standard American English) in three communication contexts (Lecture, Audio Tour, Job Pitch). The main finding is that the Dutch-accented English accent was understood as well as the two L1 English accents. Furthermore, Dutch-accented English evoked equally positive evaluations to the two L1 English accents in German listeners, and more positive evaluations than the two L1 English accents in Spanish and Singaporean listeners. These results suggest that accent training aimed at achieving an L1 English accent may not always be necessary for (Dutch) English language learners, especially when they are expected to mostly interact with other L2 speakers of English. More generally, our results indicate that L2 English speakers' understanding and their evaluation of L1 and L2 Englishes would not seem to reflect traditional language norms. Instead, they seem to reflect the socio-cultural embedding of a language norm in a Lingua Franca English speech community that does not view accent varieties as a hindrance to successful communication.Aggression between individuals of the same sex is almost ubiquitous across the animal kingdom. Winners of intrasexual contests often garner considerable fitness benefits, through greater access to mates, food, or social dominance. In females, aggression is often tightly linked to reproduction, with females displaying increases in aggressive behavior when mated, gestating or lactating, or when protecting dependent offspring. In the fruit fly, Drosophila melanogaster, females spend twice as long fighting over food after mating as when they are virgins. However, it is unknown when this increase in aggression begins or whether it is consistent across genotypes. Here we show that aggression in females increases between 2 to 4 hours after mating and remains elevated for at least a week after a single mating. In addition, this increase in aggression 24 hours after mating is consistent across three diverse genotypes, suggesting this may be a universal response to mating in the species. We also report here the first use of automated tracking and classification software to study female aggression in Drosophila and assess its accuracy for this behavior. Dissecting the genetic diversity and temporal patterns of female aggression assists us in better understanding its generality and adaptive function, and will facilitate the identification of its underlying mechanisms.About one third of foodborne illness outbreaks in Europe are acquired in the home and eating undercooked poultry is among consumption practices associated with illness. The aim of this study was to investigate whether actual and recommended practices for monitoring chicken doneness are safe. Seventy-five European households from five European countries were interviewed and videoed while cooking chicken in their private kitchens, including young single men, families with infants/in pregnancy and elderly over seventy years. A cross-national web-survey collected cooking practices for chicken from 3969 households. In a laboratory kitchen, chicken breast fillets were injected with cocktails of Salmonella and Campylobacter and cooked to core temperatures between 55 and 70°C. Microbial survival in the core and surface of the meat were determined. In a parallel experiment, core colour, colour of juice and texture were recorded. Finally, a range of cooking thermometers from the consumer market were evaluated. The field study identified nine practical approaches for deciding if the chicken was properly cooked.0 Comentários 0 Compartilhamentos 9 Visualizações 0 Anterior -
05). Compared with the control group, the myocardial tissue lesions were improved in the probucol low dose group and highdose group, and the pathological scores and the mRNA and protein expression levels of Cav-3 and Smad3 in myocardial cells were significantly reduced (P less then 0.05). In conclusion, probucol can significantly improve the pathological damage of myocardial tissue in VMC rats, and its mechanism may be related to improving the expression of myocardium-related proteins Caspase-3 and Caspase-9, inhibiting oxidative stress response, and down-regulating Cav-3 and Smad3 gene expression in myocardial tissue of VMC rats.Staphylococcus aureus is a leading cause of a wide range of clinical chronic infections mainly due to the establishment of a biofilm. Biofilm, a population of bacteria within a self-produced matrix of extracellular polymeric substance, decreases the susceptibility to antibiotics, immune defenses and contributes to antimicrobial resistance. To date antibiotic combination has been considered a strategy to combat S. aureus infection, but this approach does not solves the main pharmacokinetic problem caused by biofilms, consisting in insufficient drug penetration within the structure. Therefore, new antimicrobial agents that could overcome this resistance need to be discovered. Fighting staphylococcal resistance and biofilm formation is an important goal of the pharmaceutical research. Some fungicide has been observed to have antibacterial effect. anyway their use as antibiotics on S.aureus has been poorly studied. The aim of this work was to investigate the effect of the fungicide itraconazole (IT) on S. aureus biofilm formation and explore by SEM the morphological alteration after treatment. A strong biofilm disaggregation and morphologically different extracellular vesicles (EV) production were observed starting from sublethal IT doses. This suggests that IT resistance phenomena on the part of S. aureus are more difficult to establish respect other antibiotics. The adjuvant properties of IT could be used to combat bacterial biofilm and/or to improve antibiotic treatment. Moreover, because the production of EV represents a secretory pathway involved in intercellular communication shared to mammalian cells, fungi, and bacteria, our study is important to increase information that can be generalized to higher organisms.This study had as aims to evaluate the effects of successive exposures to Mentha piperita L. essential oil (MPEO) on culturability and physiological functions of Salmonella Typhimurium PT4. S. Typhimurium PT4 cells (108 log CFU/mL) were exposed to the same (1.25 μL/mL) or increasing MPEO concentrations (1.25-80 μL/mL) during 252 h. At each 36-h interval, the viable cell counts, and distinct cell functions were assessed using plate counting and flow cytometry, respectively. As the exposure time to the same MPEO concentration increased, the population of S. Typhimurium PT4 cells with damaged, permeabilized and depolarized membrane, and compromised efflux activity decreased. Otherwise, S. https://www.selleckchem.com/products/dn02.html Typhimurium PT4 cells with damaged membrane physiological functions increased over the exposure to increasing concentrations of MPEO. Genomic analyses showed that the strain carries 17 genes associated with stress responses and the persistence of the tested strain among sources associated with poultry spanning more than 16 years and its virulence for humans. Therefore, successive exposure to a sublethal concentration of MPEO induced S. Typhimurium PT4 cells capable of maintaining the membrane integrity and its functions despite their non-culturable state.Bartonella henselae (Bh) is a Gram-negative zoonotic bacterium that can grow as large aggregates and form biofilms in vitro dependent upon the adhesin BadA. Previously, we reported that the Houston-1 strain of Bh has a family of nine small, highly-expressed intergenic transcripts called Bartonellaregulatory transcripts, Brt1-9. Each of the Brts bears a stem and loop structure on the 3' end followed by a gene encoding a DNA binding protein called the Transcriptional regulatory proteins, Trp1-9. RNA-seq analysis of laboratory-grown bacteria revealed the trps were poorly transcribed suggesting that the 3' stem and loop on the Brts results in transcript termination upstream of the trp genes under these conditions. Here we demonstrate that transcription of brt1 continues into trp1 when Bh is grown in a biofilm. Deletion of brt1, or just the 3' terminus of brt1 (containing the stem and loop structure), resulted in increased transcription of both trp1 and badA and increased biofilm formation. Trp1 was shown to directly bind the putative badA promoter region as demonstrated by an electrophoretic mobility shift assay (EMSA). Our data suggest that the 3' end of brt1 responds to a stimulus generated by growth of Bh in an in vitro biofilm to allow increased trp1 transcription. We further show that transcription of trp1 increases under conditions consistent with the mammalian host but is not highly expressed in the cat flea vector until the bacterium is excreted into the flea feces. Based on these data, we hypothesize that the 3' end of Brt1 functions to control trp1 transcription and Trp1 in turn results in increased badA expression and enhanced biofilm formation.Every year thousands of horses from Mexico and the United States of America (USA) are transported to slaughter in Mexico, but little is known about their welfare or pre-slaughter logistics. In this study, we recorded the origin, sex, age and condition of horses (121 journeys, 2648 animals) upon arrival to an abattoir in northern Mexico, including transport details. Horse welfare was measured indirectly via individual scores for body condition, coat quality, lameness, ocular and nasal discharge, as well as reactivity to a ***** restraint test, all performed shortly after unloading. The average journey duration was 9.69 (±7.6) hours for horses from Mexico and 16.77 (±4.51) hours for horses from the USA (77 % of all journeys). The prevalence of ocular discharge, nasal discharge, skin wounds, lameness and diarrhoea, were 23 %, 12 %, 11 %, 9 %, 1 % (respectively) of all the horses observed, with no significant differences between Mexican and American horses (P ≥ 0.05). During the ***** test the American horses were calmer than the Mexican ones (P less then 0.
05). Compared with the control group, the myocardial tissue lesions were improved in the probucol low dose group and highdose group, and the pathological scores and the mRNA and protein expression levels of Cav-3 and Smad3 in myocardial cells were significantly reduced (P less then 0.05). In conclusion, probucol can significantly improve the pathological damage of myocardial tissue in VMC rats, and its mechanism may be related to improving the expression of myocardium-related proteins Caspase-3 and Caspase-9, inhibiting oxidative stress response, and down-regulating Cav-3 and Smad3 gene expression in myocardial tissue of VMC rats.Staphylococcus aureus is a leading cause of a wide range of clinical chronic infections mainly due to the establishment of a biofilm. Biofilm, a population of bacteria within a self-produced matrix of extracellular polymeric substance, decreases the susceptibility to antibiotics, immune defenses and contributes to antimicrobial resistance. To date antibiotic combination has been considered a strategy to combat S. aureus infection, but this approach does not solves the main pharmacokinetic problem caused by biofilms, consisting in insufficient drug penetration within the structure. Therefore, new antimicrobial agents that could overcome this resistance need to be discovered. Fighting staphylococcal resistance and biofilm formation is an important goal of the pharmaceutical research. Some fungicide has been observed to have antibacterial effect. anyway their use as antibiotics on S.aureus has been poorly studied. The aim of this work was to investigate the effect of the fungicide itraconazole (IT) on S. aureus biofilm formation and explore by SEM the morphological alteration after treatment. A strong biofilm disaggregation and morphologically different extracellular vesicles (EV) production were observed starting from sublethal IT doses. This suggests that IT resistance phenomena on the part of S. aureus are more difficult to establish respect other antibiotics. The adjuvant properties of IT could be used to combat bacterial biofilm and/or to improve antibiotic treatment. Moreover, because the production of EV represents a secretory pathway involved in intercellular communication shared to mammalian cells, fungi, and bacteria, our study is important to increase information that can be generalized to higher organisms.This study had as aims to evaluate the effects of successive exposures to Mentha piperita L. essential oil (MPEO) on culturability and physiological functions of Salmonella Typhimurium PT4. S. Typhimurium PT4 cells (108 log CFU/mL) were exposed to the same (1.25 μL/mL) or increasing MPEO concentrations (1.25-80 μL/mL) during 252 h. At each 36-h interval, the viable cell counts, and distinct cell functions were assessed using plate counting and flow cytometry, respectively. As the exposure time to the same MPEO concentration increased, the population of S. Typhimurium PT4 cells with damaged, permeabilized and depolarized membrane, and compromised efflux activity decreased. Otherwise, S. https://www.selleckchem.com/products/dn02.html Typhimurium PT4 cells with damaged membrane physiological functions increased over the exposure to increasing concentrations of MPEO. Genomic analyses showed that the strain carries 17 genes associated with stress responses and the persistence of the tested strain among sources associated with poultry spanning more than 16 years and its virulence for humans. Therefore, successive exposure to a sublethal concentration of MPEO induced S. Typhimurium PT4 cells capable of maintaining the membrane integrity and its functions despite their non-culturable state.Bartonella henselae (Bh) is a Gram-negative zoonotic bacterium that can grow as large aggregates and form biofilms in vitro dependent upon the adhesin BadA. Previously, we reported that the Houston-1 strain of Bh has a family of nine small, highly-expressed intergenic transcripts called Bartonellaregulatory transcripts, Brt1-9. Each of the Brts bears a stem and loop structure on the 3' end followed by a gene encoding a DNA binding protein called the Transcriptional regulatory proteins, Trp1-9. RNA-seq analysis of laboratory-grown bacteria revealed the trps were poorly transcribed suggesting that the 3' stem and loop on the Brts results in transcript termination upstream of the trp genes under these conditions. Here we demonstrate that transcription of brt1 continues into trp1 when Bh is grown in a biofilm. Deletion of brt1, or just the 3' terminus of brt1 (containing the stem and loop structure), resulted in increased transcription of both trp1 and badA and increased biofilm formation. Trp1 was shown to directly bind the putative badA promoter region as demonstrated by an electrophoretic mobility shift assay (EMSA). Our data suggest that the 3' end of brt1 responds to a stimulus generated by growth of Bh in an in vitro biofilm to allow increased trp1 transcription. We further show that transcription of trp1 increases under conditions consistent with the mammalian host but is not highly expressed in the cat flea vector until the bacterium is excreted into the flea feces. Based on these data, we hypothesize that the 3' end of Brt1 functions to control trp1 transcription and Trp1 in turn results in increased badA expression and enhanced biofilm formation.Every year thousands of horses from Mexico and the United States of America (USA) are transported to slaughter in Mexico, but little is known about their welfare or pre-slaughter logistics. In this study, we recorded the origin, sex, age and condition of horses (121 journeys, 2648 animals) upon arrival to an abattoir in northern Mexico, including transport details. Horse welfare was measured indirectly via individual scores for body condition, coat quality, lameness, ocular and nasal discharge, as well as reactivity to a chute restraint test, all performed shortly after unloading. The average journey duration was 9.69 (±7.6) hours for horses from Mexico and 16.77 (±4.51) hours for horses from the USA (77 % of all journeys). The prevalence of ocular discharge, nasal discharge, skin wounds, lameness and diarrhoea, were 23 %, 12 %, 11 %, 9 %, 1 % (respectively) of all the horses observed, with no significant differences between Mexican and American horses (P ≥ 0.05). During the chute test the American horses were calmer than the Mexican ones (P less then 0.0 Comentários 0 Compartilhamentos 31 Visualizações 0 Anterior -
3. Results A total of 144 students participated. The total EI score shifted from mean (SD) 100.2 (12.4) at baseline to 96.1 (12.8) midway to 96.8 (13.3) at graduation (P=.0161) with significant decreases between baseline and midway (P less then .001) and baseline and final administrations (P less then .001). Empathy declined from 103 (13.1) to 99.9 (12.7) to 99.6 (12.6) (P=.0481) with significant decreases between baseline and midway (P less then .001) and baseline and final administrations (P less then .001). Self-regard declined from 98.6 (14.1) to 95.8 (15.1) to 95.5 (14.7) (P=.135) with significant decreases between baseline and midway (P=.0021) and baseline and final administrations (P less then .001). Conclusion This study's findings support further investigation of potential roles played by EI, empathy, and self-regard in physician burnout.Context Access to primary care (PC) improves health outcomes and decreases health care costs. The shortage of PC physicians and shifting physician workforce makes this an ongoing concern. Osteopathic medical schools are making strides to fill this void. Considering the critical need for PC physicians in the United States, this study aims to identify factors related to choosing a PC specialty. Objective To understand possible motivations of osteopathic medical students pursuing a career in PC specialties by examining the role of sex and the influence of 5 key factors in this decision. Methods Responses from the annual American Association of Colleges of Osteopathic Medicine graduate survey (2007-2016) were analyzed. Self-reported practice decision considerations of 5 key factors, including (1) intellectual and technical content, (2) debt level, (3) lifestyle, (4) prestige/income level, and (5) personal experience and abilities were summarized, and their subjective value was contrasted between osteopathic medic survey factors analyzed was significantly different between students entering PC and students entering non-PC specialties. Lifestyle was deemed a major influencing factor, and responses suggested that debt level is a strong influencing factor among students pursuing non-PC specialties.Context The Public Service Loan Forgiveness (PSLF) program is among several repayment programs currently available for recipients of federal student loans. Medical education debt has continued to expand at a rapid pace in the decade since PSLF was created. Proposed changes to the Higher Education Act would substantially transform how future medical trainees finance and repay medical education debt. Objective To better understand relationships between debt and personal stress, as well as between repayment- and forgiveness-program use, in the context of competing legislation. Methods Surveys were sent to all Accreditation Council for Graduate Medical Education-accredited internal medicine residency programs (osteopathic and allopathic). Results From a potential pool of 579 residents, data were obtained from 403 unique respondents (response rate, 69.6%) at 12 residency programs, for a program response rate of 2.2%. Of these respondents, 290 (71.9%) completed the demographic portion of the survey. https://www.selleckchem.com/products/resigratinib.html Median education debt was $225,000. Residents with the top quartile of debt burden were more likely to use PSLF (odds ratio [OR], 3.27; P=.02), more likely to enter loan forbearance (OR, 2.14; P=.03), and indicated a higher level of stress (OR, 5.94; P less then .001) compared with those in the second and third quartiles. Conclusion Proposed legislative changes to the Higher Education Act would scale **** loan repayment options and also eliminate PSLF for future borrowers. Our data suggest that higher debt burdens are associated with increased debt-related stress. Given program popularity and growing use, along with growing concerns of physician burnout, policy makers should weigh the potential downstream effects of policy change on prospective future physicians.Objectives To report methods and findings of 2 autopsies with molecular evaluation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) positive individuals. Methods Postmortem examination was completed following Centers for Disease Control and Prevention public guidelines. Numerous formalin-fixed paraffin-embedded (FFPE) tissue types from each case were surveyed for SARS-CoV-2 RNA by quantitative reverse transcription polymerase chain reaction (qRT-PCR). SARS-CoV-2 viral genome was sequenced by next-generation sequencing (NGS) from FFPE lung tissue blocks. Results Postmortem examinations revealed diffuse alveolar damage, while no viral-associated hepatic, cardiac, or renal damage was observed. Viral RNA was detected in lungs, bronchi, lymph nodes, and spleen in both cases using qRT-PCR method. RNA sequencing using NGS in case 1 revealed mutations most consistent with Western European Clade A2a with ORF1a L3606F mutation. Conclusions SARS-CoV-2 testing and viral sequencing can be performed from FFPE tissue. Detection and sequencing of SARS-CoV-2 in combination with morphological findings from postmortem tissue examination can aid in gaining a better understanding of the virus's pathophysiologic effects on human health.It is a great honor to be named the awardee of the 2019 ASME Robert M. Nerem Education and Mentorship Medal. Bob Nerem has been a mentor to me since the beginning of my faculty career and has been a model to me for effectively dealing with the many dimensions of the interpersonal side of an academic career. This brief paper presents a summary of some of my personal insights and practices in this arena as gained during forty-six years on the faculty of the University of Texas at Austin.Background Blockade of the pudendal nerve (PN) using ultrasound (US) guidance has been described at the levels of the ischial spine and Alcock's canal. However, no study has been conducted to compare anatomical accuracy between different approaches in targeting the PN. Objective To investigate the accuracy of US-guided injection of the PN at the ischial spine and Alcock's canal levels. This study also compared the accuracy of the infiltrations by three sonographers with different levels of experience. Subjects Eight Thiel-embalmed cadavers (16 hemipelvises). Methods Three physiatrists trained in musculoskeletal US imaging with 12 years, five years, and one year of experience performed the injections. Each injected a 0.1-mL bolus of colored dye in both hemipelvises of each cadaver at the ischial spine and Alcock's canal levels under US guidance. Each cadaver received three injections per hemipelvis. The accuracy of the injection was determined following hemipelvis dissection by an anatomist. Results The injections were accurate 33 times out of the total 42 attempts, resulting in 78% accuracy.
3. Results A total of 144 students participated. The total EI score shifted from mean (SD) 100.2 (12.4) at baseline to 96.1 (12.8) midway to 96.8 (13.3) at graduation (P=.0161) with significant decreases between baseline and midway (P less then .001) and baseline and final administrations (P less then .001). Empathy declined from 103 (13.1) to 99.9 (12.7) to 99.6 (12.6) (P=.0481) with significant decreases between baseline and midway (P less then .001) and baseline and final administrations (P less then .001). Self-regard declined from 98.6 (14.1) to 95.8 (15.1) to 95.5 (14.7) (P=.135) with significant decreases between baseline and midway (P=.0021) and baseline and final administrations (P less then .001). Conclusion This study's findings support further investigation of potential roles played by EI, empathy, and self-regard in physician burnout.Context Access to primary care (PC) improves health outcomes and decreases health care costs. The shortage of PC physicians and shifting physician workforce makes this an ongoing concern. Osteopathic medical schools are making strides to fill this void. Considering the critical need for PC physicians in the United States, this study aims to identify factors related to choosing a PC specialty. Objective To understand possible motivations of osteopathic medical students pursuing a career in PC specialties by examining the role of sex and the influence of 5 key factors in this decision. Methods Responses from the annual American Association of Colleges of Osteopathic Medicine graduate survey (2007-2016) were analyzed. Self-reported practice decision considerations of 5 key factors, including (1) intellectual and technical content, (2) debt level, (3) lifestyle, (4) prestige/income level, and (5) personal experience and abilities were summarized, and their subjective value was contrasted between osteopathic medic survey factors analyzed was significantly different between students entering PC and students entering non-PC specialties. Lifestyle was deemed a major influencing factor, and responses suggested that debt level is a strong influencing factor among students pursuing non-PC specialties.Context The Public Service Loan Forgiveness (PSLF) program is among several repayment programs currently available for recipients of federal student loans. Medical education debt has continued to expand at a rapid pace in the decade since PSLF was created. Proposed changes to the Higher Education Act would substantially transform how future medical trainees finance and repay medical education debt. Objective To better understand relationships between debt and personal stress, as well as between repayment- and forgiveness-program use, in the context of competing legislation. Methods Surveys were sent to all Accreditation Council for Graduate Medical Education-accredited internal medicine residency programs (osteopathic and allopathic). Results From a potential pool of 579 residents, data were obtained from 403 unique respondents (response rate, 69.6%) at 12 residency programs, for a program response rate of 2.2%. Of these respondents, 290 (71.9%) completed the demographic portion of the survey. https://www.selleckchem.com/products/resigratinib.html Median education debt was $225,000. Residents with the top quartile of debt burden were more likely to use PSLF (odds ratio [OR], 3.27; P=.02), more likely to enter loan forbearance (OR, 2.14; P=.03), and indicated a higher level of stress (OR, 5.94; P less then .001) compared with those in the second and third quartiles. Conclusion Proposed legislative changes to the Higher Education Act would scale back loan repayment options and also eliminate PSLF for future borrowers. Our data suggest that higher debt burdens are associated with increased debt-related stress. Given program popularity and growing use, along with growing concerns of physician burnout, policy makers should weigh the potential downstream effects of policy change on prospective future physicians.Objectives To report methods and findings of 2 autopsies with molecular evaluation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) positive individuals. Methods Postmortem examination was completed following Centers for Disease Control and Prevention public guidelines. Numerous formalin-fixed paraffin-embedded (FFPE) tissue types from each case were surveyed for SARS-CoV-2 RNA by quantitative reverse transcription polymerase chain reaction (qRT-PCR). SARS-CoV-2 viral genome was sequenced by next-generation sequencing (NGS) from FFPE lung tissue blocks. Results Postmortem examinations revealed diffuse alveolar damage, while no viral-associated hepatic, cardiac, or renal damage was observed. Viral RNA was detected in lungs, bronchi, lymph nodes, and spleen in both cases using qRT-PCR method. RNA sequencing using NGS in case 1 revealed mutations most consistent with Western European Clade A2a with ORF1a L3606F mutation. Conclusions SARS-CoV-2 testing and viral sequencing can be performed from FFPE tissue. Detection and sequencing of SARS-CoV-2 in combination with morphological findings from postmortem tissue examination can aid in gaining a better understanding of the virus's pathophysiologic effects on human health.It is a great honor to be named the awardee of the 2019 ASME Robert M. Nerem Education and Mentorship Medal. Bob Nerem has been a mentor to me since the beginning of my faculty career and has been a model to me for effectively dealing with the many dimensions of the interpersonal side of an academic career. This brief paper presents a summary of some of my personal insights and practices in this arena as gained during forty-six years on the faculty of the University of Texas at Austin.Background Blockade of the pudendal nerve (PN) using ultrasound (US) guidance has been described at the levels of the ischial spine and Alcock's canal. However, no study has been conducted to compare anatomical accuracy between different approaches in targeting the PN. Objective To investigate the accuracy of US-guided injection of the PN at the ischial spine and Alcock's canal levels. This study also compared the accuracy of the infiltrations by three sonographers with different levels of experience. Subjects Eight Thiel-embalmed cadavers (16 hemipelvises). Methods Three physiatrists trained in musculoskeletal US imaging with 12 years, five years, and one year of experience performed the injections. Each injected a 0.1-mL bolus of colored dye in both hemipelvises of each cadaver at the ischial spine and Alcock's canal levels under US guidance. Each cadaver received three injections per hemipelvis. The accuracy of the injection was determined following hemipelvis dissection by an anatomist. Results The injections were accurate 33 times out of the total 42 attempts, resulting in 78% accuracy.0 Comentários 0 Compartilhamentos 5 Visualizações 0 Anterior
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