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10/12/1979
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However, on Cox regression multivariate analyses, no single clinicopathologic feature was significantly associated with a recurrence. No malignancies were diagnosed during the follow-up of the study and control group patients at median follow-up durations of 23 and 34 months, respectively. In conclusion, the recurrence of an endometrial polyp is relatively uncommon (5.6% of polyps) and does not portend an increased risk of malignancy. We could not identify any clinicopathologic features that conclusively predict a recurrence. BACKGROUND Parents across the United States use medical cannabis for their children, often without professional guidance. These parents have become more expert on medical cannabis than most health professionals. PURPOSE Using a case-study design, this study was conducted to describe the experience of parents using medical cannabis for relief of seizures in their child or dependent. METHODS Data were subjected to qualitative content analysis for the identification of patterns and themes. FINDINGS Analysis of all data revealed seven themes including "Discovery of Cannabis as a Medication," "Guidance on Dosing," "Costs and Benefits of Cannabis," "Distrust of the Pharmaceutical Industry," "Federal Interference," "God and Cannabis," and "Changing Societal Perceptions about Medical Cannabis." DISCUSSION Themes revealed a complex, multifaceted experience. Many parents report benefit from medical cannabis, and are not hindered by the financial costs or uncertainties. Political and social influences have significant impact on the stigmatization and normalization of cannabis. Programmed cell death is a fundamental feature of brain development, homeostasis, and adult plasticity. One model system, in which the role of cell death in establishment, maintenance and plasticity of neural tissues is evident throughout both early development and in the adult, is the neural circuitry underlying the learning and production of singing behavior in songbirds. The dramatic sexual dimorphism and natural, cyclical growth and regression of the song control system provides a useful environment for studying programmed cell death. Especially valuable and unique to songbirds, the occurrence of cell death in the song control system is correlated to quantifiable changes in a biologically relevant and learned sensorimotor behavior-that is singing. Within this review I explore the topic of cell death in the avian brain primarily within the context of the song circuits. I first establish why songbirds are a useful model for studying cell death and provide a brief overview of the organization of the circuitry underlying song learning and production. I then discuss the processes and mechanisms of cell death during early development and sexual differentiation of the song control system. I present the classic and recent work exploring cell death in the adult avian brain by covering topics of homeostasis and neuronal turnover, seasonal plasticity, and neural injury and insult. Finally, I propose several outstanding questions in the field of cell death biology in the avian brain, which when addressed have great potential to provide unique insight into the role of cell death in the organization and maintenance of neural tissues, the plasticity of developmentally organized neural circuits in the adult, and the mechanisms underlying functional recovery from both natural and injury-induced neurodegeneration. © 2020 Elsevier Inc. All rights reserved.Unicellular organisms like yeast can undergo controlled demise in a manner that is partly reminiscent of mammalian cell death. This is true at the levels of both mechanistic and functional conservation. Yeast offers the combination of unparalleled genetic amenability and a comparatively simple biology to understand both the regulation and evolution of cell death. In this minireview, we address the capacity of the nucleus as a regulatory hub during yeast regulated cell death (RCD), which is becoming an increasingly central question in yeast RCD research. In particular, we explore and critically discuss the available data on stressors and signals that specifically impinge on the nucleus. Moreover, we also analyze the current knowledge on nuclear factors as well as on transcriptional control and epigenetic events that orchestrate yeast RCD. Altogether we conclude that the functional significance of the nucleus for yeast RCD in undisputable, but that further exploration beyond correlative work is necessary to disentangle the role of nuclear events in the regulatory network. © 2020 Elsevier Inc. All rights reserved.Aberrant cell death signaling and oxidative stress are implicated in myriad of human pathological states such as neurodegenerative, cardiovascular, metabolic and liver diseases, as well as drug-induced toxicities. While regulated cell death and mild oxidative stress are essential during normal tissue homeostasis, deregulated signaling can trigger massive depletion in a particular cell type and/or damage tissues and impair organ function with deleterious consequences that manifest as disease states. If regeneration cannot restore tissue homeostasis, the severity of the disease correlates with the extent of cell loss. https://www.selleckchem.com/products/olprinone.html Cell death can be executed via multiple modalities such as apoptosis, necrosis, pyroptosis, necroptosis and ferroptosis, depending on cell autonomous mechanisms (e.g., reactive oxygen species production, calcium overload and altered proteostasis) and/or non-cell autonomous processes (e.g., environmental stress, irradiation, chemotherapeutic agents, inflammation and pathogens). Accordingly, the inhibition of aberrant cell death and oxidative stress together with activation of autophagy, a regulated self-degradation process, are progressively emerging as relevant cytoprotective strategies to sustain homeostasis. In this review, we summarize the current literature on the crosstalk between cellular redox state and cell fate signaling, specifically from the standpoint of autophagy and its role in the maintenance of tissue/organ homeostasis via regulating oxidative stress and the potential implications for the design of novel therapeutic strategies. © 2020 Elsevier Inc. All rights reserved.
However, on Cox regression multivariate analyses, no single clinicopathologic feature was significantly associated with a recurrence. No malignancies were diagnosed during the follow-up of the study and control group patients at median follow-up durations of 23 and 34 months, respectively. In conclusion, the recurrence of an endometrial polyp is relatively uncommon (5.6% of polyps) and does not portend an increased risk of malignancy. We could not identify any clinicopathologic features that conclusively predict a recurrence. BACKGROUND Parents across the United States use medical cannabis for their children, often without professional guidance. These parents have become more expert on medical cannabis than most health professionals. PURPOSE Using a case-study design, this study was conducted to describe the experience of parents using medical cannabis for relief of seizures in their child or dependent. METHODS Data were subjected to qualitative content analysis for the identification of patterns and themes. FINDINGS Analysis of all data revealed seven themes including "Discovery of Cannabis as a Medication," "Guidance on Dosing," "Costs and Benefits of Cannabis," "Distrust of the Pharmaceutical Industry," "Federal Interference," "God and Cannabis," and "Changing Societal Perceptions about Medical Cannabis." DISCUSSION Themes revealed a complex, multifaceted experience. Many parents report benefit from medical cannabis, and are not hindered by the financial costs or uncertainties. Political and social influences have significant impact on the stigmatization and normalization of cannabis. Programmed cell death is a fundamental feature of brain development, homeostasis, and adult plasticity. One model system, in which the role of cell death in establishment, maintenance and plasticity of neural tissues is evident throughout both early development and in the adult, is the neural circuitry underlying the learning and production of singing behavior in songbirds. The dramatic sexual dimorphism and natural, cyclical growth and regression of the song control system provides a useful environment for studying programmed cell death. Especially valuable and unique to songbirds, the occurrence of cell death in the song control system is correlated to quantifiable changes in a biologically relevant and learned sensorimotor behavior-that is singing. Within this review I explore the topic of cell death in the avian brain primarily within the context of the song circuits. I first establish why songbirds are a useful model for studying cell death and provide a brief overview of the organization of the circuitry underlying song learning and production. I then discuss the processes and mechanisms of cell death during early development and sexual differentiation of the song control system. I present the classic and recent work exploring cell death in the adult avian brain by covering topics of homeostasis and neuronal turnover, seasonal plasticity, and neural injury and insult. Finally, I propose several outstanding questions in the field of cell death biology in the avian brain, which when addressed have great potential to provide unique insight into the role of cell death in the organization and maintenance of neural tissues, the plasticity of developmentally organized neural circuits in the adult, and the mechanisms underlying functional recovery from both natural and injury-induced neurodegeneration. © 2020 Elsevier Inc. All rights reserved.Unicellular organisms like yeast can undergo controlled demise in a manner that is partly reminiscent of mammalian cell death. This is true at the levels of both mechanistic and functional conservation. Yeast offers the combination of unparalleled genetic amenability and a comparatively simple biology to understand both the regulation and evolution of cell death. In this minireview, we address the capacity of the nucleus as a regulatory hub during yeast regulated cell death (RCD), which is becoming an increasingly central question in yeast RCD research. In particular, we explore and critically discuss the available data on stressors and signals that specifically impinge on the nucleus. Moreover, we also analyze the current knowledge on nuclear factors as well as on transcriptional control and epigenetic events that orchestrate yeast RCD. Altogether we conclude that the functional significance of the nucleus for yeast RCD in undisputable, but that further exploration beyond correlative work is necessary to disentangle the role of nuclear events in the regulatory network. © 2020 Elsevier Inc. All rights reserved.Aberrant cell death signaling and oxidative stress are implicated in myriad of human pathological states such as neurodegenerative, cardiovascular, metabolic and liver diseases, as well as drug-induced toxicities. While regulated cell death and mild oxidative stress are essential during normal tissue homeostasis, deregulated signaling can trigger massive depletion in a particular cell type and/or damage tissues and impair organ function with deleterious consequences that manifest as disease states. If regeneration cannot restore tissue homeostasis, the severity of the disease correlates with the extent of cell loss. https://www.selleckchem.com/products/olprinone.html Cell death can be executed via multiple modalities such as apoptosis, necrosis, pyroptosis, necroptosis and ferroptosis, depending on cell autonomous mechanisms (e.g., reactive oxygen species production, calcium overload and altered proteostasis) and/or non-cell autonomous processes (e.g., environmental stress, irradiation, chemotherapeutic agents, inflammation and pathogens). Accordingly, the inhibition of aberrant cell death and oxidative stress together with activation of autophagy, a regulated self-degradation process, are progressively emerging as relevant cytoprotective strategies to sustain homeostasis. In this review, we summarize the current literature on the crosstalk between cellular redox state and cell fate signaling, specifically from the standpoint of autophagy and its role in the maintenance of tissue/organ homeostasis via regulating oxidative stress and the potential implications for the design of novel therapeutic strategies. © 2020 Elsevier Inc. All rights reserved.0 Commentaires 0 Parts 19 Vue 0 AperçuConnectez-vous pour aimer, partager et commenter! -
Sub-fertility is a major problem in crossbred bulls. https://www.selleckchem.com/products/l-arginine-l-glutamate.html Identification of subtle differences in the quality of cryopreserved spermatozoa among bulls belonging to different fertility rankings would help determine the latent fertility of semen before their use at field conditions. In the present study, we assessed the status of tyrosine phosphorylation, membrane integrity and acrosome reaction of cryopreserved spermatozoa in crossbred bulls (n = 22) with different levels of field fertility and assessed their relationship with fertility. Bulls were categorized into above-average (n = 4), average (n = 14) and below-average (n = 4) based on their different field fertility rates. The progressive sperm motility was significantly (P less then 0.05) higher in above-average fertile bulls compared to either average or below-average fertile bulls whereas sperm membrane integrity and acrosomal reaction status did not differ among the three groups. The proportion of live tyrosine-phosphorylated spermatozoa were significantly (P less then 0.05) higher in below-average and average fertile bulls compared to above-average bulls. Immunolocalization of protein tyrosine phosphorylation in spermatozoa revealed that the proportion of spermatozoa showing tyrosine phosphorylation at acrosome and post-acrosomal area (APA) and at acrosome, post-acrosome and tail (APAT) were significantly (P less then 0.05) higher in below-average fertile bulls than other groups. The APA pattern (r = -0.605; P less then 0.01) and APAT (r = 0.507; P less then 0.05) pattern were significantly and negatively correlated with bull fertility. It was concluded that the proportion of live tyrosine-phosphorylated spermatozoa in cryopreserved semen was negatively related to bull fertility. The presence of serum in embryo culture medium has been implicated for increased embryo's sensitivity to cryopreservation, compromised viability, abnormal embryo and fetal development. Hence, designing a serum free culture system is indispensable. The present study aims to compare the efficiency of the serum and granulosa cells monolayer free commercial culture system (SFCS) with the conventional serum supplemented co-culture system (SSCS) and optimized culture system (OCS). Generally, SFCS is designed explicitly for bovine oocyte maturation and embryo culture (SF-IVM and SF-IVC), and SSCS (based on M199, SS-IVM, and SS-IVC) is utilized for buffalo in vitro embryo production. However, OCS is a newly designed culture system in which oocyte maturation is performed in serum supplemented maturation medium, and the subsequent embryos are co-cultured with granulosa cells in serum free culture medium. To evaluate the effect of serum on buffalo embryo production, buffalo oocytes, and their subsequent embryos were cultured in SSCS, SFCS, and OCS, simultaneously. The percentage of cleaved embryos cultured in SSCS and OCS was approximately 4% higher as compared to SFCS. However, OCS significantly showed the maximum proportion of embryos that developed to the blastocyst stage (7d) and hatched (6d) as compared to the SFCS and SSCS. Additionally, OCS promoted the expression of developmentally important genes (BCL2-L1 and VEGF-A), cell number, and cryo-survival ability of blastocysts in comparison with SSCS. Taken together, OCS is more suitable for the oocyte maturation and culture of buffalo embryos. However, to design the serum free culture system, it is recommended to find suitable serum alternatives for in vitro oocyte maturation. Melatonin regulates male reproductive function in seasonal and non-seasonal breeder mammals. The presence of melatonin membrane receptors (MT1 and MT2) in the testis and epididymis has been demonstrated in several species. Wild roe deer are a short-day breeding species characterised by a short rutting season lasting from mid-July to mid-August. The aim of this study was to determine the concentration of melatonin in the peripheral blood and the presence of MT1 and MT2 receptors in the testis and epididymis in male roe deer during the pre-rut (May), rut (July/August) and post-rut (September) periods. The melatonin concentration was higher in May (522.50 ± 54.20 pg/mL) compared to July/August (258.50 ± 36.82 pg/mL; P less then 0.05). During September, the melatonin concentration was higher (393.50 ± 36.77 pg/mL) than in July/August (P less then 0.05) but lower than in May (P less then 0.05). Immunohistochemical analysis showed the presence of MT1 and MT2 receptors in Leydig cells, Sertoli cells and germ cells in the testis, in addition to the epithelial cells of the epididymis caput, corpus and cauda. MT1 and MT2 receptor expression in the testis and epididymis, assessed by Western blot, was higher in May and July/August (when spermatogenic and steroidogenic activity restarts and reaches its peak, respectively) compared to September (when spermatogenic and steroidogenic activity decreases). This could indicate a stimulatory effect of melatonin on testicular (i.e., steroidogenesis and spermatogenesis) and epididymal (i.e., spermatozoa maturation) function in male roe deer through the MT1 and MT2 receptors. Our results form the basis for further studies into the detailed mechanism of action of melatonin through MT1 and MT2 receptors for optimal reproductive activity in male roe deer and other mammals. OBJECTIVES Lung cancer detection by low-dose computed tomographic screening reduces mortality. However, it is essential to assess cost-effectiveness. We present a cost-effectiveness analysis of screening in Italians at high risk of lung cancer, from the point of view of the Italian tax-payer. MATERIALS AND METHODS We used a decision model to estimate the cost-effectiveness of annual screening for 5 years in smokers (≥30 pack-years) of 55-79 years. Patients diagnosed in the COSMOS study were the screening arm; patients diagnosed and treated for lung cancer in the Lombardy Region, Italy, constituted the usual care arm. Treatment costs were extracted from our hospital database. Lung cancer survival in screened patients was adjusted for 2-year lead-time bias. Life-years and quality-adjusted life-years were estimated by stage at diagnosis, from which incremental cost-effectiveness ratios per life-year and quality-adjusted life-year gained were estimated. RESULTS Base-case incremental cost-effectiveness ratios were 3297 and 2944 euro per quality-adjusted life-year and life-year gained, respectively.
Sub-fertility is a major problem in crossbred bulls. https://www.selleckchem.com/products/l-arginine-l-glutamate.html Identification of subtle differences in the quality of cryopreserved spermatozoa among bulls belonging to different fertility rankings would help determine the latent fertility of semen before their use at field conditions. In the present study, we assessed the status of tyrosine phosphorylation, membrane integrity and acrosome reaction of cryopreserved spermatozoa in crossbred bulls (n = 22) with different levels of field fertility and assessed their relationship with fertility. Bulls were categorized into above-average (n = 4), average (n = 14) and below-average (n = 4) based on their different field fertility rates. The progressive sperm motility was significantly (P less then 0.05) higher in above-average fertile bulls compared to either average or below-average fertile bulls whereas sperm membrane integrity and acrosomal reaction status did not differ among the three groups. The proportion of live tyrosine-phosphorylated spermatozoa were significantly (P less then 0.05) higher in below-average and average fertile bulls compared to above-average bulls. Immunolocalization of protein tyrosine phosphorylation in spermatozoa revealed that the proportion of spermatozoa showing tyrosine phosphorylation at acrosome and post-acrosomal area (APA) and at acrosome, post-acrosome and tail (APAT) were significantly (P less then 0.05) higher in below-average fertile bulls than other groups. The APA pattern (r = -0.605; P less then 0.01) and APAT (r = 0.507; P less then 0.05) pattern were significantly and negatively correlated with bull fertility. It was concluded that the proportion of live tyrosine-phosphorylated spermatozoa in cryopreserved semen was negatively related to bull fertility. The presence of serum in embryo culture medium has been implicated for increased embryo's sensitivity to cryopreservation, compromised viability, abnormal embryo and fetal development. Hence, designing a serum free culture system is indispensable. The present study aims to compare the efficiency of the serum and granulosa cells monolayer free commercial culture system (SFCS) with the conventional serum supplemented co-culture system (SSCS) and optimized culture system (OCS). Generally, SFCS is designed explicitly for bovine oocyte maturation and embryo culture (SF-IVM and SF-IVC), and SSCS (based on M199, SS-IVM, and SS-IVC) is utilized for buffalo in vitro embryo production. However, OCS is a newly designed culture system in which oocyte maturation is performed in serum supplemented maturation medium, and the subsequent embryos are co-cultured with granulosa cells in serum free culture medium. To evaluate the effect of serum on buffalo embryo production, buffalo oocytes, and their subsequent embryos were cultured in SSCS, SFCS, and OCS, simultaneously. The percentage of cleaved embryos cultured in SSCS and OCS was approximately 4% higher as compared to SFCS. However, OCS significantly showed the maximum proportion of embryos that developed to the blastocyst stage (7d) and hatched (6d) as compared to the SFCS and SSCS. Additionally, OCS promoted the expression of developmentally important genes (BCL2-L1 and VEGF-A), cell number, and cryo-survival ability of blastocysts in comparison with SSCS. Taken together, OCS is more suitable for the oocyte maturation and culture of buffalo embryos. However, to design the serum free culture system, it is recommended to find suitable serum alternatives for in vitro oocyte maturation. Melatonin regulates male reproductive function in seasonal and non-seasonal breeder mammals. The presence of melatonin membrane receptors (MT1 and MT2) in the testis and epididymis has been demonstrated in several species. Wild roe deer are a short-day breeding species characterised by a short rutting season lasting from mid-July to mid-August. The aim of this study was to determine the concentration of melatonin in the peripheral blood and the presence of MT1 and MT2 receptors in the testis and epididymis in male roe deer during the pre-rut (May), rut (July/August) and post-rut (September) periods. The melatonin concentration was higher in May (522.50 ± 54.20 pg/mL) compared to July/August (258.50 ± 36.82 pg/mL; P less then 0.05). During September, the melatonin concentration was higher (393.50 ± 36.77 pg/mL) than in July/August (P less then 0.05) but lower than in May (P less then 0.05). Immunohistochemical analysis showed the presence of MT1 and MT2 receptors in Leydig cells, Sertoli cells and germ cells in the testis, in addition to the epithelial cells of the epididymis caput, corpus and cauda. MT1 and MT2 receptor expression in the testis and epididymis, assessed by Western blot, was higher in May and July/August (when spermatogenic and steroidogenic activity restarts and reaches its peak, respectively) compared to September (when spermatogenic and steroidogenic activity decreases). This could indicate a stimulatory effect of melatonin on testicular (i.e., steroidogenesis and spermatogenesis) and epididymal (i.e., spermatozoa maturation) function in male roe deer through the MT1 and MT2 receptors. Our results form the basis for further studies into the detailed mechanism of action of melatonin through MT1 and MT2 receptors for optimal reproductive activity in male roe deer and other mammals. OBJECTIVES Lung cancer detection by low-dose computed tomographic screening reduces mortality. However, it is essential to assess cost-effectiveness. We present a cost-effectiveness analysis of screening in Italians at high risk of lung cancer, from the point of view of the Italian tax-payer. MATERIALS AND METHODS We used a decision model to estimate the cost-effectiveness of annual screening for 5 years in smokers (≥30 pack-years) of 55-79 years. Patients diagnosed in the COSMOS study were the screening arm; patients diagnosed and treated for lung cancer in the Lombardy Region, Italy, constituted the usual care arm. Treatment costs were extracted from our hospital database. Lung cancer survival in screened patients was adjusted for 2-year lead-time bias. Life-years and quality-adjusted life-years were estimated by stage at diagnosis, from which incremental cost-effectiveness ratios per life-year and quality-adjusted life-year gained were estimated. RESULTS Base-case incremental cost-effectiveness ratios were 3297 and 2944 euro per quality-adjusted life-year and life-year gained, respectively.0 Commentaires 0 Parts 23 Vue 0 Aperçu -
22 to 3.10). The non-inferiority of ALGINATE versus NPWT was demonstrated. No AE related to the treatment occurred with ALGINATE versus 14 AEs with NPWT. There was no difference in the impact of the treatments on the patient's daily life. Conclusion This trial demonstrates that ALGINATE has a similar healing efficacy to that of NPWT and that is markedly better with regard to patient safety.Acellular dermal matrices (ADMs) were first incorporated into direct-to-implant (DTI) breast reconstruction by the senior author in 2001 and have since become foundational to implant-based reconstruction. ADM composition has evolved recently and now includes perforated types, which some speculate decrease the likelihood of seroma. The authors performed a retrospective review of perforated (P-ADM) and nonperforated (NP-ADM) ADM-assisted direct-to-implant breast reconstruction patients to evaluate differences in complication rates. Methods Retrospective review of direct-to-implant breast reconstruction patients operated on by a single surgeon (CAS) from 2011 to 2018 was conducted. Patient and operative characteristics, including ADM type, were recorded. A propensity score matching algorithm accounting for potentially confounding variables was developed, followed by univariate analysis to evaluate the association between ADM perforation and postoperative complications. https://www.selleckchem.com/products/incb28060.html Results The review began with 409 patients (761 breasts). Following exclusion of patients with missing demographic information, lack of ADM in their reconstruction, and follow-up times of less than 4 weeks, 364 patients (680 breasts) were included for analysis. A total of 530 (77.94%) and 150 (22.06%) breasts received NP-ADM and P-ADM, respectively. After propensity score matching, there were 294 breasts, composed of equal numbers of P-ADM and NP-ADM recipients. Univariate analysis showed no association between ADM type and any postoperative complication. Conclusions The complication profile of direct-to-implant breast reconstruction appears to be unaffected by the use of P-ADM or NP-ADM. Current understanding of the association between ADM type and clinical outcomes would benefit from multi-institution, prospective, randomized trials.Symptomatic neuromas and pain caused by nerve transection injuries can adversely impact a patient's recovery, while also contributing to increased dependence on opioid and other pharmacotherapy. These sources of pain are magnified following amputation surgeries, inhibiting optimal prosthetic wear and function. Targeted muscle reinnervation (TMR) and regenerative peripheral nerve interfaces (RPNI) represent modern advances in addressing amputated peripheral nerves. These techniques offer solutions by essentially providing neuromuscular targets for transected peripheral nerves "to grow into and reinnervate." Recent described benefits of these techniques include reports on pain reduction or ablation (eg, phantom limb pain, residual limb pain, and/or neuroma pain).1-6 We describe a technical adaptation combining TMR with a "pedicled vascularized RPNI (vRPNI)." The TMR with the vRPNI surgical technique described offers the advantage of having a distal target nerve and a target muscle possessing deinnervated motor end plates which may potentially enhance nerve regeneration and muscle reinnervation, while also decreasing amputated nerve-related pain.We introduced a novel protocol based on an artificial intelligence (AI)-assisted analytic system for facial expressions, Customized Precision Facial Assessment (CPFA), to evaluate and quantify the microexpressions of aesthetic concern. With the help of CPFA, physicians may be able to conduct static and dynamic assessments for the microexpressions of the ir patients and perform quantitative measurements before and after the treatments. Through the detection of microexpressions and its active action units of facial muscles, physicians are more likely to optimize the treatment with minimal intervention by precise localization of the foci of aesthetic concern. We presented 3 cases who received neuromodulators and injectable fillers, and we showed the differences in the area of treatment and outcomes of procedures between the CPFA-oriented treatments and human-facilitated ones. We found negative facial expressions decreased in all 3 cases in the group of CPFA while they decreased in only case 1 and case 2 in the group of human facilitated treatment. The CPFA group has more significant decrease in negative facial expression scores than the human group. This pilot study demonstrates that CPFA can objectively recognize and quantify the facial action units associated with negative emotions, and the physician may be able to customize the treatment for individuals accordingly with promising results.Traumatic soft tissue defects of the hand and upper extremities are common and may be challenging to the reconstructive surgeon. Several reconstructive procedures such as use of local, regional, distant, and free ***** have been described. This study aimed to report the techniques, outcomes, and complications of pedicle abdominal ***** in reconstructing hand and upper extremity defects. Methods In this retrospective study, we included patients with different traumatic defects in the hand and upper extremities who underwent reconstruction by random pedicle abdominal ***** between 2002 and 2017 at Jordan University Hospital, Jordan. Data were collected and analyzed, and the variables studied included patient age and sex, etiology and size of the defect, complications, outcomes, and the need for further revision procedures. Appropriate statistical analysis was used to examine the potential factors affecting flap survival. Results We included a total of 34 patients with a mean age of 22.2 years, ranging from 1 to 54 years. Finger degloving was seen in approximately half of the patients. Flap survival rate was 85.3%. A small area of defect was the only risk factor that significantly affected the flap failure rate. Conclusions Thin pedicle abdominal ***** are a valid, affordable, and safe option in upper extremity traumatic defects, especially in situations where microsurgical techniques are unavailable or contraindicated. Extra care should be taken when the defect surface area is small.
22 to 3.10). The non-inferiority of ALGINATE versus NPWT was demonstrated. No AE related to the treatment occurred with ALGINATE versus 14 AEs with NPWT. There was no difference in the impact of the treatments on the patient's daily life. Conclusion This trial demonstrates that ALGINATE has a similar healing efficacy to that of NPWT and that is markedly better with regard to patient safety.Acellular dermal matrices (ADMs) were first incorporated into direct-to-implant (DTI) breast reconstruction by the senior author in 2001 and have since become foundational to implant-based reconstruction. ADM composition has evolved recently and now includes perforated types, which some speculate decrease the likelihood of seroma. The authors performed a retrospective review of perforated (P-ADM) and nonperforated (NP-ADM) ADM-assisted direct-to-implant breast reconstruction patients to evaluate differences in complication rates. Methods Retrospective review of direct-to-implant breast reconstruction patients operated on by a single surgeon (CAS) from 2011 to 2018 was conducted. Patient and operative characteristics, including ADM type, were recorded. A propensity score matching algorithm accounting for potentially confounding variables was developed, followed by univariate analysis to evaluate the association between ADM perforation and postoperative complications. https://www.selleckchem.com/products/incb28060.html Results The review began with 409 patients (761 breasts). Following exclusion of patients with missing demographic information, lack of ADM in their reconstruction, and follow-up times of less than 4 weeks, 364 patients (680 breasts) were included for analysis. A total of 530 (77.94%) and 150 (22.06%) breasts received NP-ADM and P-ADM, respectively. After propensity score matching, there were 294 breasts, composed of equal numbers of P-ADM and NP-ADM recipients. Univariate analysis showed no association between ADM type and any postoperative complication. Conclusions The complication profile of direct-to-implant breast reconstruction appears to be unaffected by the use of P-ADM or NP-ADM. Current understanding of the association between ADM type and clinical outcomes would benefit from multi-institution, prospective, randomized trials.Symptomatic neuromas and pain caused by nerve transection injuries can adversely impact a patient's recovery, while also contributing to increased dependence on opioid and other pharmacotherapy. These sources of pain are magnified following amputation surgeries, inhibiting optimal prosthetic wear and function. Targeted muscle reinnervation (TMR) and regenerative peripheral nerve interfaces (RPNI) represent modern advances in addressing amputated peripheral nerves. These techniques offer solutions by essentially providing neuromuscular targets for transected peripheral nerves "to grow into and reinnervate." Recent described benefits of these techniques include reports on pain reduction or ablation (eg, phantom limb pain, residual limb pain, and/or neuroma pain).1-6 We describe a technical adaptation combining TMR with a "pedicled vascularized RPNI (vRPNI)." The TMR with the vRPNI surgical technique described offers the advantage of having a distal target nerve and a target muscle possessing deinnervated motor end plates which may potentially enhance nerve regeneration and muscle reinnervation, while also decreasing amputated nerve-related pain.We introduced a novel protocol based on an artificial intelligence (AI)-assisted analytic system for facial expressions, Customized Precision Facial Assessment (CPFA), to evaluate and quantify the microexpressions of aesthetic concern. With the help of CPFA, physicians may be able to conduct static and dynamic assessments for the microexpressions of the ir patients and perform quantitative measurements before and after the treatments. Through the detection of microexpressions and its active action units of facial muscles, physicians are more likely to optimize the treatment with minimal intervention by precise localization of the foci of aesthetic concern. We presented 3 cases who received neuromodulators and injectable fillers, and we showed the differences in the area of treatment and outcomes of procedures between the CPFA-oriented treatments and human-facilitated ones. We found negative facial expressions decreased in all 3 cases in the group of CPFA while they decreased in only case 1 and case 2 in the group of human facilitated treatment. The CPFA group has more significant decrease in negative facial expression scores than the human group. This pilot study demonstrates that CPFA can objectively recognize and quantify the facial action units associated with negative emotions, and the physician may be able to customize the treatment for individuals accordingly with promising results.Traumatic soft tissue defects of the hand and upper extremities are common and may be challenging to the reconstructive surgeon. Several reconstructive procedures such as use of local, regional, distant, and free flaps have been described. This study aimed to report the techniques, outcomes, and complications of pedicle abdominal flaps in reconstructing hand and upper extremity defects. Methods In this retrospective study, we included patients with different traumatic defects in the hand and upper extremities who underwent reconstruction by random pedicle abdominal flaps between 2002 and 2017 at Jordan University Hospital, Jordan. Data were collected and analyzed, and the variables studied included patient age and sex, etiology and size of the defect, complications, outcomes, and the need for further revision procedures. Appropriate statistical analysis was used to examine the potential factors affecting flap survival. Results We included a total of 34 patients with a mean age of 22.2 years, ranging from 1 to 54 years. Finger degloving was seen in approximately half of the patients. Flap survival rate was 85.3%. A small area of defect was the only risk factor that significantly affected the flap failure rate. Conclusions Thin pedicle abdominal flaps are a valid, affordable, and safe option in upper extremity traumatic defects, especially in situations where microsurgical techniques are unavailable or contraindicated. Extra care should be taken when the defect surface area is small.0 Commentaires 0 Parts 20 Vue 0 Aperçu -
Thirty-two patients (47%) were seen by a specialist and 19 had surgery. The majority of patients (55%) had headache as their presenting symptom. https://www.selleckchem.com/products/ugt8-in-1.html There were no statistically significant differences in the clinical presentation between those who received surgery and those who were observed clinically. CONCLUSIONS Silent sinus syndrome can present at any age. The majority of cases of maxillary sinus hypoplasia will have the orbital floor changes characteristic of SSS. Headaches are a common presenting symptom. Close follow up of pediatric patients is advised and early intervention may be favorable to prevent long term orbital changes and complications. OBJECTIVES Acute otitis media (AOM) is the most common infectious disease in infants and children. However, there have been few studies on the recent prevalence and trends of pediatric AOM in Korea. This study aimed to evaluate the prevalence and trends of pediatric AOM in Korea. METHODS The data for patients with AOM in 2012, 2015, and 2017 were extracted from the Health Insurance Review and Assessment Service's Big Database. The prevalence rate, recurrence rate, and data on gender, region, month, and medical facilities of AOM were evaluated. RESULTS The prevalence rate (per 1000 persons) decreased from 152.7 in 2012 to 137.4 in 2017. The recurrence rate declined from 34.0% in 2012 to 28.2% in 2015. In 2015, the recurrence rate of 0-2 years group decreased significantly. In 2017, the prevalence of AOM of 3-6 years group decreased the most. The prevalence is higher in urban areas and recurrence rate is higher in rural areas. But those are no significant difference. AOM is more common in male, mainly in winter and spring. CONCLUSIONS AND SIGNIFICANCE The prevalence and recurrence rate of pediatric AOM in Korea are gradually decreasing. The decrease of prevalence resulted from declination in AOM recurrence of 0-2 years group in 2015 and AOM occurrence of 3-6 years group in 2017. Even though MRI visualization of white matter lesions is pivotal for the diagnosis and management of multiple sclerosis (MS), the issue of detecting diffuse brain tissue damage beyond the apparent T2-hyperintense lesions continues to spark considerable interest. Motivated by the notion that rotating frame MRI methods are sensitive to slow motional regimes critical for tissue characterization, here we utilized novel imaging protocols of rotating frame MRI on a clinical 3 Tesla platform, including adiabatic longitudinal, T1ρ, and transverse, T2ρ, relaxation methods, and Relaxation Along a Fictitious Field (RAFF) in the rotating frame of rank 4 (RAFF4), in 10 relapsing-remitting multiple sclerosis patients and 10 sex- and age-matched healthy controls. T1ρ, T2ρ and RAFF4 relaxograms extracted from the whole white matter exhibited a significant shift towards longer relaxation time constants in MS patients as compared to controls. T1ρ and RAFF4 detected alterations even when considering only regions of normally appearing white matter (NAWM), while other MRI metrics such as T1w/T2w ratio and diffusion tensor imaging measures failed to find group differences. In addition, RAFF4, T2ρ and, to a lesser extent, T1ρ showed differences in subcortical grey matter structures, mainly hippocampus, whereas no functional changes in this region were detected in resting-state functional MRI metrics. We conclude that rotating frame MRI techniques are exceptionally sensitive methods for the detection of subtle abnormalities not only in NAWM, but also in deep grey matter in MS, where they surpass even highly sensitive measures of functional changes, which are often suggested to precede detectable structural alterations. Such abnormalities are consistent with a wide spectrum of different, but interconnected pathological features of MS, including the loss of neuronal cells and their axons, decreased levels of myelin even in NAWM, and altered iron content. OBJECTIVES The emotional Stroop effect is defined as increased reaction times to emotional stimuli compared to neutral ones. It has been often reported in the literature, on both behavioral and neurophysiological level. The goal of this study was to investigate the frontal brain activation in individuals at risk for schizophrenic psychosis and bipolar disorder during an emotional Stroop task. We expected to observe decreased activation in the at-risk individuals compared to the healthy controls. METHODS Individuals at high risk for psychosis (HR), at ultra-high risk for psychosis (UHR), at risk for bipolar disorder (BIP) and healthy controls (HC) performed an emotional Stroop task, which included positively, negatively and neutrally valenced words. Functional near-infrared spectroscopy (fNIRS) was used to measure levels of oxygenated hemoglobin (O2Hb) representing brain activity in the dorsolateral prefrontal and frontotemporal cortex. RESULTS Results showed significantly decreased levels of O2Hb in the right dorsolateral prefrontal cortex (DLPFC) in the HR and UHR groups compared to the HC, indicating lower activity. Even though the decrease was independent from the valence of the words, it was the most visible for the negative ones. Moreover, significantly lower O2Hb levels in the frontotemporal cortex (FTC) were observed in all at risk groups compared to the HC. CONCLUSIONS Lower activity in the FTC in groups at risk for psychosis and bipolar disorder reflects unspecific dysfunctions. Decreased activity in the DLPFC in the HR and UHR groups indicates that hypofrontality can be found already in individuals at risk for schizophrenic psychosis. Peripheral blood mononuclear cells for reprogramming in this work were donated by a girl with clinically and genetically diagnosed multiminicore disease harboring compound heterozygote mutations of RYR1 gene. Induced pluripotent stem cells (iPSCs) were obtained by non-integrating episomal vectors containing OCT4, SOX2, KLF4, BCL-XL and c-MYC. The iPSC line (SDQLCHi025-A) presented pluripotent cell morphology, high mRNA levels of pluripotency markers, differentiation potential in vitro, a normal karyotype, and carrying RYR1 gene mutations.
Thirty-two patients (47%) were seen by a specialist and 19 had surgery. The majority of patients (55%) had headache as their presenting symptom. https://www.selleckchem.com/products/ugt8-in-1.html There were no statistically significant differences in the clinical presentation between those who received surgery and those who were observed clinically. CONCLUSIONS Silent sinus syndrome can present at any age. The majority of cases of maxillary sinus hypoplasia will have the orbital floor changes characteristic of SSS. Headaches are a common presenting symptom. Close follow up of pediatric patients is advised and early intervention may be favorable to prevent long term orbital changes and complications. OBJECTIVES Acute otitis media (AOM) is the most common infectious disease in infants and children. However, there have been few studies on the recent prevalence and trends of pediatric AOM in Korea. This study aimed to evaluate the prevalence and trends of pediatric AOM in Korea. METHODS The data for patients with AOM in 2012, 2015, and 2017 were extracted from the Health Insurance Review and Assessment Service's Big Database. The prevalence rate, recurrence rate, and data on gender, region, month, and medical facilities of AOM were evaluated. RESULTS The prevalence rate (per 1000 persons) decreased from 152.7 in 2012 to 137.4 in 2017. The recurrence rate declined from 34.0% in 2012 to 28.2% in 2015. In 2015, the recurrence rate of 0-2 years group decreased significantly. In 2017, the prevalence of AOM of 3-6 years group decreased the most. The prevalence is higher in urban areas and recurrence rate is higher in rural areas. But those are no significant difference. AOM is more common in male, mainly in winter and spring. CONCLUSIONS AND SIGNIFICANCE The prevalence and recurrence rate of pediatric AOM in Korea are gradually decreasing. The decrease of prevalence resulted from declination in AOM recurrence of 0-2 years group in 2015 and AOM occurrence of 3-6 years group in 2017. Even though MRI visualization of white matter lesions is pivotal for the diagnosis and management of multiple sclerosis (MS), the issue of detecting diffuse brain tissue damage beyond the apparent T2-hyperintense lesions continues to spark considerable interest. Motivated by the notion that rotating frame MRI methods are sensitive to slow motional regimes critical for tissue characterization, here we utilized novel imaging protocols of rotating frame MRI on a clinical 3 Tesla platform, including adiabatic longitudinal, T1ρ, and transverse, T2ρ, relaxation methods, and Relaxation Along a Fictitious Field (RAFF) in the rotating frame of rank 4 (RAFF4), in 10 relapsing-remitting multiple sclerosis patients and 10 sex- and age-matched healthy controls. T1ρ, T2ρ and RAFF4 relaxograms extracted from the whole white matter exhibited a significant shift towards longer relaxation time constants in MS patients as compared to controls. T1ρ and RAFF4 detected alterations even when considering only regions of normally appearing white matter (NAWM), while other MRI metrics such as T1w/T2w ratio and diffusion tensor imaging measures failed to find group differences. In addition, RAFF4, T2ρ and, to a lesser extent, T1ρ showed differences in subcortical grey matter structures, mainly hippocampus, whereas no functional changes in this region were detected in resting-state functional MRI metrics. We conclude that rotating frame MRI techniques are exceptionally sensitive methods for the detection of subtle abnormalities not only in NAWM, but also in deep grey matter in MS, where they surpass even highly sensitive measures of functional changes, which are often suggested to precede detectable structural alterations. Such abnormalities are consistent with a wide spectrum of different, but interconnected pathological features of MS, including the loss of neuronal cells and their axons, decreased levels of myelin even in NAWM, and altered iron content. OBJECTIVES The emotional Stroop effect is defined as increased reaction times to emotional stimuli compared to neutral ones. It has been often reported in the literature, on both behavioral and neurophysiological level. The goal of this study was to investigate the frontal brain activation in individuals at risk for schizophrenic psychosis and bipolar disorder during an emotional Stroop task. We expected to observe decreased activation in the at-risk individuals compared to the healthy controls. METHODS Individuals at high risk for psychosis (HR), at ultra-high risk for psychosis (UHR), at risk for bipolar disorder (BIP) and healthy controls (HC) performed an emotional Stroop task, which included positively, negatively and neutrally valenced words. Functional near-infrared spectroscopy (fNIRS) was used to measure levels of oxygenated hemoglobin (O2Hb) representing brain activity in the dorsolateral prefrontal and frontotemporal cortex. RESULTS Results showed significantly decreased levels of O2Hb in the right dorsolateral prefrontal cortex (DLPFC) in the HR and UHR groups compared to the HC, indicating lower activity. Even though the decrease was independent from the valence of the words, it was the most visible for the negative ones. Moreover, significantly lower O2Hb levels in the frontotemporal cortex (FTC) were observed in all at risk groups compared to the HC. CONCLUSIONS Lower activity in the FTC in groups at risk for psychosis and bipolar disorder reflects unspecific dysfunctions. Decreased activity in the DLPFC in the HR and UHR groups indicates that hypofrontality can be found already in individuals at risk for schizophrenic psychosis. Peripheral blood mononuclear cells for reprogramming in this work were donated by a girl with clinically and genetically diagnosed multiminicore disease harboring compound heterozygote mutations of RYR1 gene. Induced pluripotent stem cells (iPSCs) were obtained by non-integrating episomal vectors containing OCT4, SOX2, KLF4, BCL-XL and c-MYC. The iPSC line (SDQLCHi025-A) presented pluripotent cell morphology, high mRNA levels of pluripotency markers, differentiation potential in vitro, a normal karyotype, and carrying RYR1 gene mutations.0 Commentaires 0 Parts 21 Vue 0 Aperçu -
STUDY DESIGN Retrospective review of prospectively collected database. OBJECTIVE To delineate and visualize trajectories of the functional status in surgically-treated adult spinal deformity (ASD) patients. SUMMARY OF BACKGROUND DATA Classifying long-term recovery following ASD surgery is not well defined. METHODS 1,171 surgically-treated patients with a minimum of 3-year follow-up were included. The group-based trajectory modeling (GBTM) was used to identify distinct trajectories of functional status over time, measured by Oswestry Disability Index (ODI). Patient profiles were then compared according to the observed functional patterns. https://www.selleckchem.com/products/tradipitant.html RESULTS The GBTM identified four distinct functional patterns. The first group (10.0%) started with minimal disability (ODI 15 ± 10) and ended up almost disability-free (low-low). The fourth group (21.5%) began with high ODI (66 ± 11) and improvement was minimal (high-high). Groups two (40.1%) and three (28.4%) had moderate disability (ODI 39 ± 11 versus 49 ± 11, p less thenately disabled patients with good mental health. GBTM permits classification into distinct groups, which can help in surgical decision making and setting expectations regarding recovery. LEVEL OF EVIDENCE 3.OBJECTIVE Gabapentin is used to treat vasomotor symptoms (VMS) in postmenopausal women with contraindications to hormonal therapy or who prefer alternatives. We investigated the efficacy and tolerability of gabapentin for treating menopausal hot flushes via a meta-analysis. METHODS We searched the PubMed, MEDLINE, EMBASE, and CENTRAL databases for English-language articles published until June, 2018. The following search terms were used "menopause," "hot flushes," "vasomotor symptoms," "gabapentin," and "non-hormonal therapy." Primary outcomes were frequency, duration, and composite score of hot flushes. Secondary outcomes were adverse effects and dropout rate. We estimated the standardized mean difference (SMD) and combined odds ratio (OR) using fixed or random-effects models, depending on study heterogeneity. Subgroup and meta-regression analyses of gabapentin dosage were performed. RESULTS We included seven randomized controlled trials that compared single-agent gabapentin with placebo for treating hot flushes in the meta-analysis. Women who received gabapentin reported a significantly greater reduction in the frequency (SMD 2.99 [95% confidence interval 2.01-3.98], P less then 0.001), duration (0.89 [0.49-1.30], P less then 0.001), and composite score (2.31 [1.50-3.11], P less then 0.001) of hot flushes. Adverse events were significantly more frequent among those taking gabapentin than among those taking the placebo (OR 1.58 [0.98-2.18], P less then 0.001; and 1.19 [0.43-1.95], P = 0.002 for dizziness and unsteadiness, respectively). CONCLUSIONS Gabapentin could be used to treat VMS in postmenopausal women with contraindications to hormonal therapy. Future studies should investigate the lowest effective dose of gabapentin to minimize adverse effects. Video Summaryhttp//links.lww.com/MENO/A521.OBJECTIVE Vasomotor flushing (hot flushes) is a common menopausal symptom experienced by most women going through the menopausal transition; flushing continues for a variable period in postmenopause. Primarily due to lack of ovarian estrogen, other biomarkers of hot flushes have not been clearly identified. We examined the relationship of hot flushes with ghrelin and adipokines. METHODS Baseline data from two clinical trials, the Women's Isoflavone Soy Health (WISH) trial and Early versus Late Intervention Trial of Estrogen (ELITE), were used in this post hoc cross-sectional study. Both WISH and ELITE had similar study designs, inclusion criteria, and data collection processes. Study participants were healthy postmenopausal women not taking estrogen-based hormone therapy, free of cardiovascular disease, or any other chronic diseases. Both trials used the same hot flush diary in which participants recorded the number of daily hot flushes by severity over a month on average. Serum concentrations of ghrelin, lep with normal BMI (1.24 [0.54, 2.86]; interaction P value = 0.46). The association between ghrelin and hot flushes was similar among early (within 10 y) and late (over 10 y) postmenopausal women. Blood levels of adiponectin and resistin were not associated with hot flushes. CONCLUSIONS Higher concentrations of ghrelin were associated with greater likelihood of hot flushes in both early- and late-postmenopausal women. Leptin, adiponectin, and resistin levels were not associated with hot flushes in postmenopausal women.OBJECTIVE To investigate the relationship between serum vitamin D concentration and lumbar disc degeneration (LDD) in postmenopausal women and the epidemiologic factors affecting low **** pain (LBP). METHODS Between July 2017 and December 2018, 232 participants were retrospectively enrolled. Serum concentrations of bone turnover markers were measured using electrochemiluminescence assays. Disc degeneration was evaluated using the Pfirrmann grading system. Other variables were assessed using relevant questionnaires. RESULTS The mean age of the women was 65.6 ± 10.1 and their serum 25(OH)D concentrations were 19.38 ± 9.21 ng/mL. The prevalences of severe vitamin D deficiency (30 ng/mL) were 12.9% and 12.5%, respectively. The severely deficient group had higher visual analog scale (VAS) scores for LBP (P = 0.002) and lower bone mineral density T scores (P = 0.004) than the other groups. Lower 25(OH)D concentration ( less then 10 ng/mL) was significantly associated with more severe LDD in the lumbosacral region (L4-S1, L1-S1, P less then 0.05), but less so in the upper lumbar region. There was an inverse relationship between vitamin D concentration and the severity of disc degeneration (L2-L3, L4-S1, L1-S1, P less then 0.05). After adjustment for confounding factors, smoking, vitamin D deficiency, lack of vitamin D supplementation, high body mass index, and low bone mineral density T score were associated with higher incidence of moderate-to-severe pain in postmenopausal women (P less then 0.05). CONCLUSIONS Vitamin D deficiency is associated with LDD and LBP in postmenopausal women. Specifically, a serum vitamin D concentration less then 10 ng/mL is a marker of severe LDD and LBP. Smoking, severe vitamin D deficiency, lack of vitamin D supplementation, high body mass index, and osteoporosis are associated with a higher prevalence of moderate-to-severe pain.
STUDY DESIGN Retrospective review of prospectively collected database. OBJECTIVE To delineate and visualize trajectories of the functional status in surgically-treated adult spinal deformity (ASD) patients. SUMMARY OF BACKGROUND DATA Classifying long-term recovery following ASD surgery is not well defined. METHODS 1,171 surgically-treated patients with a minimum of 3-year follow-up were included. The group-based trajectory modeling (GBTM) was used to identify distinct trajectories of functional status over time, measured by Oswestry Disability Index (ODI). Patient profiles were then compared according to the observed functional patterns. https://www.selleckchem.com/products/tradipitant.html RESULTS The GBTM identified four distinct functional patterns. The first group (10.0%) started with minimal disability (ODI 15 ± 10) and ended up almost disability-free (low-low). The fourth group (21.5%) began with high ODI (66 ± 11) and improvement was minimal (high-high). Groups two (40.1%) and three (28.4%) had moderate disability (ODI 39 ± 11 versus 49 ± 11, p less thenately disabled patients with good mental health. GBTM permits classification into distinct groups, which can help in surgical decision making and setting expectations regarding recovery. LEVEL OF EVIDENCE 3.OBJECTIVE Gabapentin is used to treat vasomotor symptoms (VMS) in postmenopausal women with contraindications to hormonal therapy or who prefer alternatives. We investigated the efficacy and tolerability of gabapentin for treating menopausal hot flushes via a meta-analysis. METHODS We searched the PubMed, MEDLINE, EMBASE, and CENTRAL databases for English-language articles published until June, 2018. The following search terms were used "menopause," "hot flushes," "vasomotor symptoms," "gabapentin," and "non-hormonal therapy." Primary outcomes were frequency, duration, and composite score of hot flushes. Secondary outcomes were adverse effects and dropout rate. We estimated the standardized mean difference (SMD) and combined odds ratio (OR) using fixed or random-effects models, depending on study heterogeneity. Subgroup and meta-regression analyses of gabapentin dosage were performed. RESULTS We included seven randomized controlled trials that compared single-agent gabapentin with placebo for treating hot flushes in the meta-analysis. Women who received gabapentin reported a significantly greater reduction in the frequency (SMD 2.99 [95% confidence interval 2.01-3.98], P less then 0.001), duration (0.89 [0.49-1.30], P less then 0.001), and composite score (2.31 [1.50-3.11], P less then 0.001) of hot flushes. Adverse events were significantly more frequent among those taking gabapentin than among those taking the placebo (OR 1.58 [0.98-2.18], P less then 0.001; and 1.19 [0.43-1.95], P = 0.002 for dizziness and unsteadiness, respectively). CONCLUSIONS Gabapentin could be used to treat VMS in postmenopausal women with contraindications to hormonal therapy. Future studies should investigate the lowest effective dose of gabapentin to minimize adverse effects. Video Summaryhttp//links.lww.com/MENO/A521.OBJECTIVE Vasomotor flushing (hot flushes) is a common menopausal symptom experienced by most women going through the menopausal transition; flushing continues for a variable period in postmenopause. Primarily due to lack of ovarian estrogen, other biomarkers of hot flushes have not been clearly identified. We examined the relationship of hot flushes with ghrelin and adipokines. METHODS Baseline data from two clinical trials, the Women's Isoflavone Soy Health (WISH) trial and Early versus Late Intervention Trial of Estrogen (ELITE), were used in this post hoc cross-sectional study. Both WISH and ELITE had similar study designs, inclusion criteria, and data collection processes. Study participants were healthy postmenopausal women not taking estrogen-based hormone therapy, free of cardiovascular disease, or any other chronic diseases. Both trials used the same hot flush diary in which participants recorded the number of daily hot flushes by severity over a month on average. Serum concentrations of ghrelin, lep with normal BMI (1.24 [0.54, 2.86]; interaction P value = 0.46). The association between ghrelin and hot flushes was similar among early (within 10 y) and late (over 10 y) postmenopausal women. Blood levels of adiponectin and resistin were not associated with hot flushes. CONCLUSIONS Higher concentrations of ghrelin were associated with greater likelihood of hot flushes in both early- and late-postmenopausal women. Leptin, adiponectin, and resistin levels were not associated with hot flushes in postmenopausal women.OBJECTIVE To investigate the relationship between serum vitamin D concentration and lumbar disc degeneration (LDD) in postmenopausal women and the epidemiologic factors affecting low back pain (LBP). METHODS Between July 2017 and December 2018, 232 participants were retrospectively enrolled. Serum concentrations of bone turnover markers were measured using electrochemiluminescence assays. Disc degeneration was evaluated using the Pfirrmann grading system. Other variables were assessed using relevant questionnaires. RESULTS The mean age of the women was 65.6 ± 10.1 and their serum 25(OH)D concentrations were 19.38 ± 9.21 ng/mL. The prevalences of severe vitamin D deficiency (30 ng/mL) were 12.9% and 12.5%, respectively. The severely deficient group had higher visual analog scale (VAS) scores for LBP (P = 0.002) and lower bone mineral density T scores (P = 0.004) than the other groups. Lower 25(OH)D concentration ( less then 10 ng/mL) was significantly associated with more severe LDD in the lumbosacral region (L4-S1, L1-S1, P less then 0.05), but less so in the upper lumbar region. There was an inverse relationship between vitamin D concentration and the severity of disc degeneration (L2-L3, L4-S1, L1-S1, P less then 0.05). After adjustment for confounding factors, smoking, vitamin D deficiency, lack of vitamin D supplementation, high body mass index, and low bone mineral density T score were associated with higher incidence of moderate-to-severe pain in postmenopausal women (P less then 0.05). CONCLUSIONS Vitamin D deficiency is associated with LDD and LBP in postmenopausal women. Specifically, a serum vitamin D concentration less then 10 ng/mL is a marker of severe LDD and LBP. Smoking, severe vitamin D deficiency, lack of vitamin D supplementation, high body mass index, and osteoporosis are associated with a higher prevalence of moderate-to-severe pain.0 Commentaires 0 Parts 20 Vue 0 Aperçu -
A uniform undergraduate curriculum would eliminate such heterogeneous exposure and facilitate a workforce fit for the future urological needs. PATIENT SUMMARY Junior doctors will meet patients with urological problems in the wards, emergency departments, and primary care. Institutions should work together for a urological curriculum that fits the future clinical requirements.Background aims Pathological activation and collaboration of T and B cells underlies pathogenic autoantibody responses. Existing treatments for autoimmune disease cause non-specific immunosuppression, and induction of antigen-specific tolerance remains an elusive goal. Many immunotherapies aim to manipulate the T-cell component of T-B interplay, but few directly target B cells. One possible means to specifically target B cells is the transfer of gene-engineered BM that, once engrafted, gives rise to widespread specific and tolerogenic antigen expression within the hematopoietic system. Methods Gene-engineered bone marrow encoding ubiquitous ovalbumin expression was transferred after low-dose (300-cGy) immune-preserving irradiation. B-cell responsiveness was monitored by analyzing ovalbumin-specific antibody production after immunization with ovalbumin/complete Freund's adjuvant. https://www.selleckchem.com/products/CX-3543.html Ovalbumin-specific B cells and their response to immunization were analyzed using multi-tetramer staining. When antigen-encoding boner as an immunotherapeutic tool.This systematic review investigated the effects of ultra-processed very low-energy diets on gut microbiota and metabolic outcomes in individuals with obesity. MEDLINE complete, EMBASE, Scopus, Cochrane and CINAHL were searched between date of inception and October 2019. Seven trials were reviewed (a total of 130 participants, with 10 to 44 participants in each trial). Of these, five were single-arm interventions and included very low-energy diets adjunctive to comprehensive lifestyle interventions such as nutritional counselling, behavioural therapy and exercise programmes. Changes to taxa within the Firmicutes phylum were found, including reduced abundance of potentially beneficial butyrogenic microbes (Roseburia, Faecalbacterium prausnitzii, Lactobacillus, Bifidobacterium and Lachnospiraeceae). Conversely, increased abundance of potentially pathogenic or opportunistic microbes from the Bacteroidetes phylum was reported, including increases in Alistipes and Bacteroides taxa. However, outcomes were inconsistent, with some trials also showing decreases in Bacteroides taxa and increases in commensal microbiota, such as Lachnospiraceae and Bifidobacteriaceae. The changes in metabolic parameters observed from baseline to after the ultra-processed very low-energy diets were mostly beneficial or were not significantly altered. Although the selected articles were deemed to have satisfactory methodological quality, to understand the possible direct effects of these regimens on gut microbiota, further rigorously designed trials, with more standardised microbiological sequencing techniques and detailed reporting, are required. Study registration Prospero ID CRD42019124436.We describe two cases of increased pancreatic enzyme levels after intragastric balloon (IGB) placement possibly related to extrinsic pancreatic duct compression, followed by a short review of the literature. Case 1 is the first, to our knowledge, of a patient with asymptomatic increase of pancreatic enzymes due to pancreatic duct compression, with unknown clinical significance. We hypothesize that this finding maybe can be relatively common in IGB users and almost certainly an important risk factor for the development of acute pancreatitis (AP). On the other hand, case 2 reports an AP that occurred one day after IGB placement, presented with nausea and vomiting, making AP a differential diagnosis of initial IGB intolerance.In June 2018, I was honored (and flabbergasted!) to receive the Kennel Club Charitable Trust's Lifetime Achievement Award for research in the field of canine health, sponsored by Vernon and Shirley Hill of Metro Bank, and administered by the Kennel Club Charitable Trust. I entered the arena of veterinary dermatology in 1971, a graduate of the University of California, Davis. I retired from Cornell University as the James Law Professor Dermatology Emeritus in 2016. During my 45-year career in veterinary dermatology, I worked with all species, especially dogs, cats, and horses, eventually authoring or co-authoring 694 publications including 12 textbooks. For this personal view I will limit my comments to canine dermatology. I was asked to make this article 'a more reflective piece on my lifetime's work'. This is not at all comfortable for me, as my upbringing encouraged me not to 'toot my own horn'. However, 'toot' I must. Hence, indulge me as I share these very personal views on where we were, where we went, and some of my own dabblings along the way. If I fail to mention one of your favorite remembrances, I apologize. Don't let it get under your skin!Genetic alterations and/or epigenetic modifications occur frequently in the majority of cancer cells. In addition to playing a crucial role as promoters of tumorigenesis, these processes can also generate metabolic pathways that are different from those in normal cells. Besides the Warburg effect, an alteration in lipid metabolism is also found in cancer cells. Thus, elucidation of the regulators involved in this metabolic reprogramming might provide tools for diagnosis, prognosis, and ultimately treatment of canine mammary tumours (CMTs) in particular. One such regulator is carnitine palmitoyltransferase 1A (CPT1A), which is involved in transportation of long-chain fatty acids into the mitochondrial matrix for beta-oxidation, thereby providing an alternative pathway for the generation of energy for tumour growth and development. In this study, the canine cell lines ****, CMT-U309, CMT-U27, and P114 were used as in vitro models for western blot and quantitative real-time polymerase chain reaction (qRT-PCR) analyses. Furthermore, western blot and immunohistochemistry were carried out to evaluate CPT1A protein expression in the CMT specimens. The CPT1A protein and mRNA expression levels were increased in the CMT cell lines relative to their levels in normal epithelial cells. Moreover, increased CPT1A expression levels were found in the CMT tissues, being inversely correlated with the tumour differentiation grade. However, additional studies are required to further specify the role of CPT1A in CMTs.
A uniform undergraduate curriculum would eliminate such heterogeneous exposure and facilitate a workforce fit for the future urological needs. PATIENT SUMMARY Junior doctors will meet patients with urological problems in the wards, emergency departments, and primary care. Institutions should work together for a urological curriculum that fits the future clinical requirements.Background aims Pathological activation and collaboration of T and B cells underlies pathogenic autoantibody responses. Existing treatments for autoimmune disease cause non-specific immunosuppression, and induction of antigen-specific tolerance remains an elusive goal. Many immunotherapies aim to manipulate the T-cell component of T-B interplay, but few directly target B cells. One possible means to specifically target B cells is the transfer of gene-engineered BM that, once engrafted, gives rise to widespread specific and tolerogenic antigen expression within the hematopoietic system. Methods Gene-engineered bone marrow encoding ubiquitous ovalbumin expression was transferred after low-dose (300-cGy) immune-preserving irradiation. B-cell responsiveness was monitored by analyzing ovalbumin-specific antibody production after immunization with ovalbumin/complete Freund's adjuvant. https://www.selleckchem.com/products/CX-3543.html Ovalbumin-specific B cells and their response to immunization were analyzed using multi-tetramer staining. When antigen-encoding boner as an immunotherapeutic tool.This systematic review investigated the effects of ultra-processed very low-energy diets on gut microbiota and metabolic outcomes in individuals with obesity. MEDLINE complete, EMBASE, Scopus, Cochrane and CINAHL were searched between date of inception and October 2019. Seven trials were reviewed (a total of 130 participants, with 10 to 44 participants in each trial). Of these, five were single-arm interventions and included very low-energy diets adjunctive to comprehensive lifestyle interventions such as nutritional counselling, behavioural therapy and exercise programmes. Changes to taxa within the Firmicutes phylum were found, including reduced abundance of potentially beneficial butyrogenic microbes (Roseburia, Faecalbacterium prausnitzii, Lactobacillus, Bifidobacterium and Lachnospiraeceae). Conversely, increased abundance of potentially pathogenic or opportunistic microbes from the Bacteroidetes phylum was reported, including increases in Alistipes and Bacteroides taxa. However, outcomes were inconsistent, with some trials also showing decreases in Bacteroides taxa and increases in commensal microbiota, such as Lachnospiraceae and Bifidobacteriaceae. The changes in metabolic parameters observed from baseline to after the ultra-processed very low-energy diets were mostly beneficial or were not significantly altered. Although the selected articles were deemed to have satisfactory methodological quality, to understand the possible direct effects of these regimens on gut microbiota, further rigorously designed trials, with more standardised microbiological sequencing techniques and detailed reporting, are required. Study registration Prospero ID CRD42019124436.We describe two cases of increased pancreatic enzyme levels after intragastric balloon (IGB) placement possibly related to extrinsic pancreatic duct compression, followed by a short review of the literature. Case 1 is the first, to our knowledge, of a patient with asymptomatic increase of pancreatic enzymes due to pancreatic duct compression, with unknown clinical significance. We hypothesize that this finding maybe can be relatively common in IGB users and almost certainly an important risk factor for the development of acute pancreatitis (AP). On the other hand, case 2 reports an AP that occurred one day after IGB placement, presented with nausea and vomiting, making AP a differential diagnosis of initial IGB intolerance.In June 2018, I was honored (and flabbergasted!) to receive the Kennel Club Charitable Trust's Lifetime Achievement Award for research in the field of canine health, sponsored by Vernon and Shirley Hill of Metro Bank, and administered by the Kennel Club Charitable Trust. I entered the arena of veterinary dermatology in 1971, a graduate of the University of California, Davis. I retired from Cornell University as the James Law Professor Dermatology Emeritus in 2016. During my 45-year career in veterinary dermatology, I worked with all species, especially dogs, cats, and horses, eventually authoring or co-authoring 694 publications including 12 textbooks. For this personal view I will limit my comments to canine dermatology. I was asked to make this article 'a more reflective piece on my lifetime's work'. This is not at all comfortable for me, as my upbringing encouraged me not to 'toot my own horn'. However, 'toot' I must. Hence, indulge me as I share these very personal views on where we were, where we went, and some of my own dabblings along the way. If I fail to mention one of your favorite remembrances, I apologize. Don't let it get under your skin!Genetic alterations and/or epigenetic modifications occur frequently in the majority of cancer cells. In addition to playing a crucial role as promoters of tumorigenesis, these processes can also generate metabolic pathways that are different from those in normal cells. Besides the Warburg effect, an alteration in lipid metabolism is also found in cancer cells. Thus, elucidation of the regulators involved in this metabolic reprogramming might provide tools for diagnosis, prognosis, and ultimately treatment of canine mammary tumours (CMTs) in particular. One such regulator is carnitine palmitoyltransferase 1A (CPT1A), which is involved in transportation of long-chain fatty acids into the mitochondrial matrix for beta-oxidation, thereby providing an alternative pathway for the generation of energy for tumour growth and development. In this study, the canine cell lines MDCK, CMT-U309, CMT-U27, and P114 were used as in vitro models for western blot and quantitative real-time polymerase chain reaction (qRT-PCR) analyses. Furthermore, western blot and immunohistochemistry were carried out to evaluate CPT1A protein expression in the CMT specimens. The CPT1A protein and mRNA expression levels were increased in the CMT cell lines relative to their levels in normal epithelial cells. Moreover, increased CPT1A expression levels were found in the CMT tissues, being inversely correlated with the tumour differentiation grade. However, additional studies are required to further specify the role of CPT1A in CMTs.0 Commentaires 0 Parts 21 Vue 0 Aperçu -
how best to support allied health professional transition to rural practice.BACKGROUND The Theory of Planned Behaviour (TPB) has been proposed as an appropriate model for creating a theory-driven approach to teaching medical professionalism. However, there is a lack of empirical evidence into its efficacy. This study explores if the TPB can assess UK medical doctors' professional behaviours and explores if there are differences in the TPB's efficacy depending on doctors' primary medical qualification (UK or outside). METHODS Three hundred fourteen doctors in England at 21 NHS Trusts completed a questionnaire about reflective practice, using the General Medical Council's confidentiality guidance, and raising a patient safety concern. The majority of participants were male (52%), white (68%), consultants (62%), and UK medical graduates (UKGs) (71%). RESULTS The TPB variables of attitudes, subjective norms, and perceived behavioural control were predictive of intention to engage in raising concerns (R2 = 35%), reflection (R2 = 52%), and use of confidentiality guidance (R2 = 45%). Perceived behavioural control was the strongest predictor of intentions to raise a concern (β = 0.44), while attitude was the strongest predictor of intentions to engage in reflective practice (β = 0.61) and using confidentiality guidance (β = 0.38). The TBP constructs predicted intention for raising concerns and reflecting for both UKGs and non-UKGs (Fs ≥ 2.3; ps ≤ .023, βs ≥ 0.12). However, only perceived behaviour control was predictive of intentions to use guidance for both UKGs and non-UKGs (β = 0.24) while attitudes and norms were just predictive for UKGs (βs ≥ 0.26). CONCLUSIONS This study demonstrates the efficacy of the TPB for three professional behaviours. The implications for medical educators are to use the variables of the TPB (attitudes, subjective norms, and perceived behavioural control) in the education of professionalism, and for medical education researchers to further our understanding by employing the TPB in more empirical studies of non-clinical behaviours.BACKGROUND Evidence concerning periodontal practice in Eastern European countries is scarce. The aim of the present study was to investigate periodontal risk knowledge, patient management and self-perceived confidence among General Dentists (GDs) from five Eastern European regarding their provision of periodontal care. METHODS GDs from Belarus, Lithuania, Macedonia, Moldova and Romania participated in a questionnaire survey. Power calculations were used to identify the sample size for each country. The structured questionnaire included several domains of inquiry. The socio-demographic domain inquired about dentist's age, gender and years of clinical experience. The dental practice domain inquired about practice location, practising or not practising in a group practice and having or not having a periodontist or a dental hygienist in the practice. The distributions of answers across-countries were compared employing one way ANOVA (comparison of means) or Chi square test (comparison of proportions). For each coedge. In all countries, taking a medical history was a consistent and significant predictor of having higher periodontal knowledge score. Except in Belarus, periodontal risk assessment was a significantly consistent predictor of certainty levels associated with the provision of periodontal treatments. CONCLUSIONS There were substantial differences among GDs in the five countries regarding diagnosis, dentist's confidence and management of periodontal patients.BACKGROUND To respond to the growing need to cultivate medical trainees with professional identity, it is necessary to evaluate professional identity formation (PIF) in medical trainees to understand their state of PIF and apply this to medical education. Previous qualitative studies indicated that Kegan's human development model could explain medical trainees' PIF. I proposed a development scale (DS) to quantitatively evaluate the degree of maturation and socialization as a physician; however, one scale is not enough to illustrate the helical and complex process of development. METHODS Using Kegan's model as the conceptual framework, scales that evaluate stage 2, 3, and 4, and higher stage-specific attributes were developed using data collected in a self-administered questionnaire (322 respondents), reliability analysis, group comparison, and analysis of individual DS scores. The respondents were 4th- and 6th-year medical students and 2nd-year residents at Kagoshima University, and experienced medical doctors (instructors). RESULTS In addition to the DS, one self-administered questionnaire consisting of 27 items for stage 2, 3, 4, and higher stage-specific attribute scales was created. Students had the highest mean score in stage 2, and instructors had the highest mean score in stage 4 and higher stage scales. Individual analysis indicated that there were respondents with varied attributes in each group, that the average medical student might have inclusion preference typically seen at stage 3, and that the average instructor might have independent preference typically seen at stage 4 more than inclusion preference. CONCLUSIONS Combining multiple stage attribute-specific scales and DS scores could quantify the complexity and divergent processes of PIF. These scales could provide meaningful information about individuals, groups, and education in terms of professional development that is different from assessment data of medical knowledge or professional skills.BACKGROUND Preschool years are a critical period in the development of a healthy child. The consequences of poor oral health in preschool children reach beyond dental problems, with oral health-related quality of life (OHRQoL) being associated with overall systematic health as well as one's quality of life. The purpose of this study was to assess the prevalence of dental caries and its impacts on the OHRQoL in a sample of preschool children in Kisarawe. METHODS A cross-sectional based study was conducted in 2017. https://www.selleckchem.com/products/neo2734.html A total of 1106 preschool children completed a face-to-face interview, using a translated Kiswahili version of the Michigan Oral Health-related Quality of Life Scale (MOHRQoL) -Child Version (2003), and underwent clinical oral examination using WHO (1997) criteria. RESULTS The decayed component was the most prevalent (dft = 2.08) and the Significant Caries Index (SiC) was 5.54 double of the (dft), showing polarization of dental caries in the studied population. After adjusting for appropriate covariates, preschool children of age 5 and 6 years old were more likely to have decayed tooth [Adjusted OR = 3.
how best to support allied health professional transition to rural practice.BACKGROUND The Theory of Planned Behaviour (TPB) has been proposed as an appropriate model for creating a theory-driven approach to teaching medical professionalism. However, there is a lack of empirical evidence into its efficacy. This study explores if the TPB can assess UK medical doctors' professional behaviours and explores if there are differences in the TPB's efficacy depending on doctors' primary medical qualification (UK or outside). METHODS Three hundred fourteen doctors in England at 21 NHS Trusts completed a questionnaire about reflective practice, using the General Medical Council's confidentiality guidance, and raising a patient safety concern. The majority of participants were male (52%), white (68%), consultants (62%), and UK medical graduates (UKGs) (71%). RESULTS The TPB variables of attitudes, subjective norms, and perceived behavioural control were predictive of intention to engage in raising concerns (R2 = 35%), reflection (R2 = 52%), and use of confidentiality guidance (R2 = 45%). Perceived behavioural control was the strongest predictor of intentions to raise a concern (β = 0.44), while attitude was the strongest predictor of intentions to engage in reflective practice (β = 0.61) and using confidentiality guidance (β = 0.38). The TBP constructs predicted intention for raising concerns and reflecting for both UKGs and non-UKGs (Fs ≥ 2.3; ps ≤ .023, βs ≥ 0.12). However, only perceived behaviour control was predictive of intentions to use guidance for both UKGs and non-UKGs (β = 0.24) while attitudes and norms were just predictive for UKGs (βs ≥ 0.26). CONCLUSIONS This study demonstrates the efficacy of the TPB for three professional behaviours. The implications for medical educators are to use the variables of the TPB (attitudes, subjective norms, and perceived behavioural control) in the education of professionalism, and for medical education researchers to further our understanding by employing the TPB in more empirical studies of non-clinical behaviours.BACKGROUND Evidence concerning periodontal practice in Eastern European countries is scarce. The aim of the present study was to investigate periodontal risk knowledge, patient management and self-perceived confidence among General Dentists (GDs) from five Eastern European regarding their provision of periodontal care. METHODS GDs from Belarus, Lithuania, Macedonia, Moldova and Romania participated in a questionnaire survey. Power calculations were used to identify the sample size for each country. The structured questionnaire included several domains of inquiry. The socio-demographic domain inquired about dentist's age, gender and years of clinical experience. The dental practice domain inquired about practice location, practising or not practising in a group practice and having or not having a periodontist or a dental hygienist in the practice. The distributions of answers across-countries were compared employing one way ANOVA (comparison of means) or Chi square test (comparison of proportions). For each coedge. In all countries, taking a medical history was a consistent and significant predictor of having higher periodontal knowledge score. Except in Belarus, periodontal risk assessment was a significantly consistent predictor of certainty levels associated with the provision of periodontal treatments. CONCLUSIONS There were substantial differences among GDs in the five countries regarding diagnosis, dentist's confidence and management of periodontal patients.BACKGROUND To respond to the growing need to cultivate medical trainees with professional identity, it is necessary to evaluate professional identity formation (PIF) in medical trainees to understand their state of PIF and apply this to medical education. Previous qualitative studies indicated that Kegan's human development model could explain medical trainees' PIF. I proposed a development scale (DS) to quantitatively evaluate the degree of maturation and socialization as a physician; however, one scale is not enough to illustrate the helical and complex process of development. METHODS Using Kegan's model as the conceptual framework, scales that evaluate stage 2, 3, and 4, and higher stage-specific attributes were developed using data collected in a self-administered questionnaire (322 respondents), reliability analysis, group comparison, and analysis of individual DS scores. The respondents were 4th- and 6th-year medical students and 2nd-year residents at Kagoshima University, and experienced medical doctors (instructors). RESULTS In addition to the DS, one self-administered questionnaire consisting of 27 items for stage 2, 3, 4, and higher stage-specific attribute scales was created. Students had the highest mean score in stage 2, and instructors had the highest mean score in stage 4 and higher stage scales. Individual analysis indicated that there were respondents with varied attributes in each group, that the average medical student might have inclusion preference typically seen at stage 3, and that the average instructor might have independent preference typically seen at stage 4 more than inclusion preference. CONCLUSIONS Combining multiple stage attribute-specific scales and DS scores could quantify the complexity and divergent processes of PIF. These scales could provide meaningful information about individuals, groups, and education in terms of professional development that is different from assessment data of medical knowledge or professional skills.BACKGROUND Preschool years are a critical period in the development of a healthy child. The consequences of poor oral health in preschool children reach beyond dental problems, with oral health-related quality of life (OHRQoL) being associated with overall systematic health as well as one's quality of life. The purpose of this study was to assess the prevalence of dental caries and its impacts on the OHRQoL in a sample of preschool children in Kisarawe. METHODS A cross-sectional based study was conducted in 2017. https://www.selleckchem.com/products/neo2734.html A total of 1106 preschool children completed a face-to-face interview, using a translated Kiswahili version of the Michigan Oral Health-related Quality of Life Scale (MOHRQoL) -Child Version (2003), and underwent clinical oral examination using WHO (1997) criteria. RESULTS The decayed component was the most prevalent (dft = 2.08) and the Significant Caries Index (SiC) was 5.54 double of the (dft), showing polarization of dental caries in the studied population. After adjusting for appropriate covariates, preschool children of age 5 and 6 years old were more likely to have decayed tooth [Adjusted OR = 3.0 Commentaires 0 Parts 9 Vue 0 Aperçu -
An amendment to this paper has been published and can be accessed via a link at the top of the paper.Bupropion is hydroxylated to its primary active metabolite hydroxybupropion by cytochrome P450 enzyme CYP2B6. In vitro data suggest the existence of alternative hydroxylation pathways mediated by the highly polymorphic enzyme CYP2C19. However, the impact of its genetic variants on bupropion metabolism in vivo is still under investigation. We report the case of a 28-year-old male Caucasian outpatient suffering from major depressive disorder who did not respond to a treatment with bupropion. Therapeutic drug monitoring revealed very low serum concentrations of both bupropion and hydroxybupropion. Genotyping identified a heterozygous status for the gain-of-function allele with the genotype CYP2C19*1/*17 predicting enhanced enzymatic activity. The present case shows a reduced bupropion efficacy, which may be explained by a reduced active moiety of bupropion and its active metabolite hydroxybupropion, due to alternative hydroxylation pathways mediated by CYP2C19 in an individual with CYP2C19 rapid metabolizer status. The case report thus illustrates the clinical relevance of therapeutic drug monitoring in combination with pharmacogenetics diagnostics for a personalized treatment approach.BACKGROUND The present research aimed to explore the risk factors for adverse cardiovascular events in elderly patients with acute myocardial infarction (AMI) combined with NAFLD. MATERIAL AND METHODS We included 325 AMI patients hospitalized in the Department of Cardiology. AMI patients underwent emergency thrombolysis or percutaneous coronary intervention (PCI). AMI patients were classified into NAFLD group and non-NAFLD group. General clinical data, creatinine and myocardial enzyme, GRACE scores of AMI patients were evaluated and compared between two groups. Incidence of adverse cardiovascular events, including ECG instability, hemodynamic instability and death were evaluated. RESULTS Compared to patients in the non-NAFLD group, patients in the NAFLD group had remarkably lower proportions of diabetic patients (p=0.001), coronary heart disease (CHD) patients (p=0.027), and CABG/PCI patients (p140 (OR 3.005, 95% CI 1.504-6.032), EF less then 35% (OR 2.649, 95% CI 1.364-4.346), diabetes (OR 1.308, 95% CI 1.072-1.589), and NAFLD (OR 1.112, 95% CI 1.043-1.324) were independent predictors for elderly AMI patients' adverse cardiovascular events. CONCLUSIONS The risk for adverse cardiovascular events in elderly acute myocardial infarction patients who also had NAFLD was significantly higher. Therefore, strengthening monitoring and active treatment for elderly AMI patients who also have NAFLD could reduce the incidence of adverse cardiovascular events and improve survival rate prognosis.BACKGROUND Acori Tatarinowii Rhizoma (ATR), a traditional Chinese herbal medicine, is used to treat Alzheimer's disease (AD), which is a worldwide degenerative brain disease. The aim of this study was to identify the potential mechanism and molecular targets of ATR in AD by using network pharmacology. MATERIAL AND METHODS The potential targets of the active ingredients of ATR were predicted by PharmMapper, and the targets of Alzheimer's disease were searched by DisGeNET. All screened genes were intersected to obtain potential targets for the active ingredients of ATR. The protein-protein interaction network of possible targets was established by STRING, GO Enrichment, and KEGG pathway enrichment analyses using the Annotation of DAVID database. Next, Cytoscape was used to build the "components-targets-pathways" networks. https://www.selleckchem.com/products/pfi-2.html Additionally, a "disease-component-gene-pathways" network was constructed and verified by molecular docking methods. In addition, the active constituents ß-asarone and ß-caryophyllene were used to detect Aß₁₋₄₂-mediated SH-SY5Y cells, and mRNA expression levels of APP, Tau, and core target genes were estimated by qRT-PCR. RESULTS The results showed that the active components of ATR participate in related biological processes such as cancer, inflammation, cellular metabolism, and metabolic pathways and are closely related to the 13 predictive targets ESR1, PPARG, AR, CASP3, JAK2, MAPK14, MAP2K1, ABL1, PTPN1, NR3C1, MET, INSR, and PRKACA. The ATR active components of ß-caryophyllene significantly reduced the mRNA expression levels of APP, TAU, ESR1, PTPN1, and JAK2. CONCLUSIONS The targets and mechanism corresponding to the active ingredients of ATR were investigated systematically, and novel ideas and directions were provided to further study the mechanism of ATR in AD.BACKGROUND Tetanus is a potentially fatal infectious disease which, during its evolution, creates multiple complications, usually requiring intensive management and care. CASE REPORT We present a clinical case of a 59-year-old male patient with generalized tetanus admitted to the intensive care unit. Flexible bronchoscopy revealed contraction of the bronchial demonstrating that tetany existed at the respiratory level, which rarely becomes evident. The clinical manifestations included trismus, facial paralysis, neck stiffness, and compromised respiratory function. The patient presented a state of respiratory failure that required invasive mechanical ventilation which was evaluated by bronchoscopy and that showed spasms of the bronchial musculature. The patient presented generalized tetanus in which the bronchial affectation was evaluated by bronchoscopy in the intensive care unit. In developed countries, the anti-tetanus toxoid vaccine has ostensibly decreased its incidence, while it is endemic in developing countries, and although there are measures such as vaccination that try to reduce its incidence, in Ecuador there is an increase in incidences. In this patient case, contraction of the bronchial rings was observed, demonstrating that tetany existed at the respiratory level, which rarely becomes evident. CONCLUSIONS Although muscular contractions are widespread, this clinical case evidences bronchial spams reported and visualized by bronchoscopy.A 50-year-old man was admitted with respiratory failure. Chest X-ray and computed tomography revealed massive left pleural effusion and mediastinal shift. Pleural effusion showed abnormally high amylase levels of 42,600 IU/l and a high protein level of 3.2 g/dl. The serum amylase level was also 42,100 IU/l, and the proportion of pancreatic-type amylase was 88%. We diagnosed the patient with pancreatic effusion. Chest and abdominal enhanced computed tomography and magnetic resonance cholangiopancreatography revealed no pancreaticopleural fistula. He underwent a thoracoscopic examination that revealed brown pleural effusion as well as fibrin clots and thickness of the pleura. Histologically, there was no malignancy and the cause of pleural effusion was considered to be chronic pancreatitis.
An amendment to this paper has been published and can be accessed via a link at the top of the paper.Bupropion is hydroxylated to its primary active metabolite hydroxybupropion by cytochrome P450 enzyme CYP2B6. In vitro data suggest the existence of alternative hydroxylation pathways mediated by the highly polymorphic enzyme CYP2C19. However, the impact of its genetic variants on bupropion metabolism in vivo is still under investigation. We report the case of a 28-year-old male Caucasian outpatient suffering from major depressive disorder who did not respond to a treatment with bupropion. Therapeutic drug monitoring revealed very low serum concentrations of both bupropion and hydroxybupropion. Genotyping identified a heterozygous status for the gain-of-function allele with the genotype CYP2C19*1/*17 predicting enhanced enzymatic activity. The present case shows a reduced bupropion efficacy, which may be explained by a reduced active moiety of bupropion and its active metabolite hydroxybupropion, due to alternative hydroxylation pathways mediated by CYP2C19 in an individual with CYP2C19 rapid metabolizer status. The case report thus illustrates the clinical relevance of therapeutic drug monitoring in combination with pharmacogenetics diagnostics for a personalized treatment approach.BACKGROUND The present research aimed to explore the risk factors for adverse cardiovascular events in elderly patients with acute myocardial infarction (AMI) combined with NAFLD. MATERIAL AND METHODS We included 325 AMI patients hospitalized in the Department of Cardiology. AMI patients underwent emergency thrombolysis or percutaneous coronary intervention (PCI). AMI patients were classified into NAFLD group and non-NAFLD group. General clinical data, creatinine and myocardial enzyme, GRACE scores of AMI patients were evaluated and compared between two groups. Incidence of adverse cardiovascular events, including ECG instability, hemodynamic instability and death were evaluated. RESULTS Compared to patients in the non-NAFLD group, patients in the NAFLD group had remarkably lower proportions of diabetic patients (p=0.001), coronary heart disease (CHD) patients (p=0.027), and CABG/PCI patients (p140 (OR 3.005, 95% CI 1.504-6.032), EF less then 35% (OR 2.649, 95% CI 1.364-4.346), diabetes (OR 1.308, 95% CI 1.072-1.589), and NAFLD (OR 1.112, 95% CI 1.043-1.324) were independent predictors for elderly AMI patients' adverse cardiovascular events. CONCLUSIONS The risk for adverse cardiovascular events in elderly acute myocardial infarction patients who also had NAFLD was significantly higher. Therefore, strengthening monitoring and active treatment for elderly AMI patients who also have NAFLD could reduce the incidence of adverse cardiovascular events and improve survival rate prognosis.BACKGROUND Acori Tatarinowii Rhizoma (ATR), a traditional Chinese herbal medicine, is used to treat Alzheimer's disease (AD), which is a worldwide degenerative brain disease. The aim of this study was to identify the potential mechanism and molecular targets of ATR in AD by using network pharmacology. MATERIAL AND METHODS The potential targets of the active ingredients of ATR were predicted by PharmMapper, and the targets of Alzheimer's disease were searched by DisGeNET. All screened genes were intersected to obtain potential targets for the active ingredients of ATR. The protein-protein interaction network of possible targets was established by STRING, GO Enrichment, and KEGG pathway enrichment analyses using the Annotation of DAVID database. Next, Cytoscape was used to build the "components-targets-pathways" networks. https://www.selleckchem.com/products/pfi-2.html Additionally, a "disease-component-gene-pathways" network was constructed and verified by molecular docking methods. In addition, the active constituents ß-asarone and ß-caryophyllene were used to detect Aß₁₋₄₂-mediated SH-SY5Y cells, and mRNA expression levels of APP, Tau, and core target genes were estimated by qRT-PCR. RESULTS The results showed that the active components of ATR participate in related biological processes such as cancer, inflammation, cellular metabolism, and metabolic pathways and are closely related to the 13 predictive targets ESR1, PPARG, AR, CASP3, JAK2, MAPK14, MAP2K1, ABL1, PTPN1, NR3C1, MET, INSR, and PRKACA. The ATR active components of ß-caryophyllene significantly reduced the mRNA expression levels of APP, TAU, ESR1, PTPN1, and JAK2. CONCLUSIONS The targets and mechanism corresponding to the active ingredients of ATR were investigated systematically, and novel ideas and directions were provided to further study the mechanism of ATR in AD.BACKGROUND Tetanus is a potentially fatal infectious disease which, during its evolution, creates multiple complications, usually requiring intensive management and care. CASE REPORT We present a clinical case of a 59-year-old male patient with generalized tetanus admitted to the intensive care unit. Flexible bronchoscopy revealed contraction of the bronchial demonstrating that tetany existed at the respiratory level, which rarely becomes evident. The clinical manifestations included trismus, facial paralysis, neck stiffness, and compromised respiratory function. The patient presented a state of respiratory failure that required invasive mechanical ventilation which was evaluated by bronchoscopy and that showed spasms of the bronchial musculature. The patient presented generalized tetanus in which the bronchial affectation was evaluated by bronchoscopy in the intensive care unit. In developed countries, the anti-tetanus toxoid vaccine has ostensibly decreased its incidence, while it is endemic in developing countries, and although there are measures such as vaccination that try to reduce its incidence, in Ecuador there is an increase in incidences. In this patient case, contraction of the bronchial rings was observed, demonstrating that tetany existed at the respiratory level, which rarely becomes evident. CONCLUSIONS Although muscular contractions are widespread, this clinical case evidences bronchial spams reported and visualized by bronchoscopy.A 50-year-old man was admitted with respiratory failure. Chest X-ray and computed tomography revealed massive left pleural effusion and mediastinal shift. Pleural effusion showed abnormally high amylase levels of 42,600 IU/l and a high protein level of 3.2 g/dl. The serum amylase level was also 42,100 IU/l, and the proportion of pancreatic-type amylase was 88%. We diagnosed the patient with pancreatic effusion. Chest and abdominal enhanced computed tomography and magnetic resonance cholangiopancreatography revealed no pancreaticopleural fistula. He underwent a thoracoscopic examination that revealed brown pleural effusion as well as fibrin clots and thickness of the pleura. Histologically, there was no malignancy and the cause of pleural effusion was considered to be chronic pancreatitis.0 Commentaires 0 Parts 24 Vue 0 Aperçu -
CONCLUSIONS Bladder cancers with SMIT invasion in TUR specimens show more frequent cancer upstaging in the subsequent specimens and a poorer clinical outcome than those invading the MM, which highlights the importance of a cancer restaging procedure for these patients. © American Society for Clinical Pathology, 2020. All rights reserved. https://www.selleckchem.com/products/Masitinib-(AB1010).html For permissions, please e-mail journals.permissions@oup.com.The yield transition of amorphous materials is characterized by a swift increase of energy dissipation. The connection between particle dynamics, dissipation, and overall material rheology, however, has still not been elucidated. Here, we take a new approach relating trajectories to yielding, using a custom built interfacial stress rheometer, which allows for measurement of shear moduli (G',G'') of a dense athermal suspension's microstructure while simultaneously tracking particle trajectories undergoing cyclic shear. We find an increase in total area traced by particle trajectories as the system is stressed well below to well above yield. Trajectories may be placed into three categories reversibly elastic paths; reversibly plastic paths, associated with smooth limit cycles; and irreversibly plastic paths, in which particles do not return to their original position. We find that above yield, reversibly plastic trajectories are predominantly found near to the shearing surface, whereas reversibly elastic paths are more prominent near the stationary wall. This spatial transition between particles acting as liquids to those acting as solids is characteristic of a 'melting front', which is observed to shift closer to the wall with increasing strain. We introduce a non-dimensional measure of plastic dissipation based on particle trajectories that scales linearly with strain amplitude both above and below yield, and that is unity at the rheological yield point. Surprisingly, this relation collapses for three systems of varying degrees of disorder.A novel protocol for the synthesis of functionalized phenanthrenes through photocyclization of diarylethenes (DAE) under UV irradiation is proposed. The reaction proceeds through 6π-electrocyclization with the formation of a cyclic (closed) intermediate that undergoes a rearrangement affording unsymmetrical phenanthrenes in good yields. However, in contrast to benzene derivatives, the photocyclization of naphthalene diarylethenes proceeds more slowly, which is confirmed by DFT calculations. The transformation was performed on a 1 mmol scale. The scalability showed that the diarylethenes bearing oxazole, thiazole, pyrazole and imidazole as aryl moieties are more prone to photorearrangement and can be used in preparative organic synthesis.A SPINOL-derived chiral phosphoric acid catalyzed asymmetric formal [2 + 3]-annulation of in situ generated alkynyl imines and 1,4-dithiane-2,5-diol has been developed to afford enantiopure α-alkynylated thiazolidones with up to 72% yield and 98.5 1.5 er. This tandem annulation involved a tandem S-addition of alkynyl imines/intramolecular acetalization, followed by PDC-mediated oxidation. The α-alkynylated thiazolidones could facilely afford the corresponding chiral α-alkynylated or α-alkenylated cyclic sulfoxides via further elaboration.Ammonia can not only be used as an active nitrogen component of nitrogen fertilizers, fibers, explosives, etc., but also provides a high energy density and carbon free energy carrier. Currently, ammonia is industrially synthesized by the Haber Bosch process at high temperature and high pressure, which results in high energy loss and a serious greenhouse effect. The electrocatalytic nitrogen reduction reaction (NRR) is a sustainable and environmentally friendly strategy for the synthesis of ammonia. Although lots of electrocatalysts have been developed for this reaction, further breakthroughs are needed in catalytic activity, selectivity and Faraday efficiency to meet the large-scale commercial demand. In this review, the recent advance in NRR electrocatalysis is thoroughly commented on. Different kinds of electrocatalysts used in ammonia synthesis (including single atom catalysts, metal oxide catalysts, nanocomposite catalysts, and metal free catalysts) are introduced. The reaction mechanism of the NRR is discussed in detail. The structure-function relationship and efficient strategies to improve the ammonia yield are clearly discussed. The effect of the electronic structure and morphology of catalysts on the selectivity of the NRR is highlighted. The research directions and perspectives on the further development of more efficient electrocatalysts for the NRR are provided.Eph receptor tyrosine kinases, particularly EphA2 and EphB4, represent promising candidates for molecular imaging due to their essential role in cancer progression and therapy resistance. Xanthine derivatives were identified to be potent Eph receptor inhibitors with IC50 values in the low nanomolar range (1-40 nm). These compounds occupy the hydrophobic pocket of the ATP-binding site in the kinase domain. Based on lead compound 1, we designed two fluorine-18-labelled receptor tyrosine kinase inhibitors ([18F]2/3) as potential tracers for positron emission tomography (PET). Docking into the ATP-binding site allowed us to find the best position for radiolabelling. The replacement of the methyl group at the uracil residue ([18F]3) rather than the methyl group of the phenoxy moiety ([18F]2) by a fluoropropyl group was predicted to preserve the affinity of the lead compound 1. Herein, we point out a synthesis route to [18F]2 and [18F]3 and the respective tosylate precursors as well as a labelling procedure to insert fluorine-18. After radiolabelling, both radiotracers were obtained in approximately 5% radiochemical yield with high radiochemical purity (>98%) and a molar activity of >10 GBq μmol-1. In line with the docking studies, first cell experiments revealed specific, time-dependent binding and uptake of [18F]3 to EphA2 and EphB4-overexpressing A375 human melanoma cells, whereas [18F]2 did not accumulate at these cells. Since both tracers [18F]3 and [18F]2 are stable in rat blood, the novel radiotracers might be suitable for in vivo molecular imaging of Eph receptors with PET.
CONCLUSIONS Bladder cancers with SMIT invasion in TUR specimens show more frequent cancer upstaging in the subsequent specimens and a poorer clinical outcome than those invading the MM, which highlights the importance of a cancer restaging procedure for these patients. © American Society for Clinical Pathology, 2020. All rights reserved. https://www.selleckchem.com/products/Masitinib-(AB1010).html For permissions, please e-mail journals.permissions@oup.com.The yield transition of amorphous materials is characterized by a swift increase of energy dissipation. The connection between particle dynamics, dissipation, and overall material rheology, however, has still not been elucidated. Here, we take a new approach relating trajectories to yielding, using a custom built interfacial stress rheometer, which allows for measurement of shear moduli (G',G'') of a dense athermal suspension's microstructure while simultaneously tracking particle trajectories undergoing cyclic shear. We find an increase in total area traced by particle trajectories as the system is stressed well below to well above yield. Trajectories may be placed into three categories reversibly elastic paths; reversibly plastic paths, associated with smooth limit cycles; and irreversibly plastic paths, in which particles do not return to their original position. We find that above yield, reversibly plastic trajectories are predominantly found near to the shearing surface, whereas reversibly elastic paths are more prominent near the stationary wall. This spatial transition between particles acting as liquids to those acting as solids is characteristic of a 'melting front', which is observed to shift closer to the wall with increasing strain. We introduce a non-dimensional measure of plastic dissipation based on particle trajectories that scales linearly with strain amplitude both above and below yield, and that is unity at the rheological yield point. Surprisingly, this relation collapses for three systems of varying degrees of disorder.A novel protocol for the synthesis of functionalized phenanthrenes through photocyclization of diarylethenes (DAE) under UV irradiation is proposed. The reaction proceeds through 6π-electrocyclization with the formation of a cyclic (closed) intermediate that undergoes a rearrangement affording unsymmetrical phenanthrenes in good yields. However, in contrast to benzene derivatives, the photocyclization of naphthalene diarylethenes proceeds more slowly, which is confirmed by DFT calculations. The transformation was performed on a 1 mmol scale. The scalability showed that the diarylethenes bearing oxazole, thiazole, pyrazole and imidazole as aryl moieties are more prone to photorearrangement and can be used in preparative organic synthesis.A SPINOL-derived chiral phosphoric acid catalyzed asymmetric formal [2 + 3]-annulation of in situ generated alkynyl imines and 1,4-dithiane-2,5-diol has been developed to afford enantiopure α-alkynylated thiazolidones with up to 72% yield and 98.5 1.5 er. This tandem annulation involved a tandem S-addition of alkynyl imines/intramolecular acetalization, followed by PDC-mediated oxidation. The α-alkynylated thiazolidones could facilely afford the corresponding chiral α-alkynylated or α-alkenylated cyclic sulfoxides via further elaboration.Ammonia can not only be used as an active nitrogen component of nitrogen fertilizers, fibers, explosives, etc., but also provides a high energy density and carbon free energy carrier. Currently, ammonia is industrially synthesized by the Haber Bosch process at high temperature and high pressure, which results in high energy loss and a serious greenhouse effect. The electrocatalytic nitrogen reduction reaction (NRR) is a sustainable and environmentally friendly strategy for the synthesis of ammonia. Although lots of electrocatalysts have been developed for this reaction, further breakthroughs are needed in catalytic activity, selectivity and Faraday efficiency to meet the large-scale commercial demand. In this review, the recent advance in NRR electrocatalysis is thoroughly commented on. Different kinds of electrocatalysts used in ammonia synthesis (including single atom catalysts, metal oxide catalysts, nanocomposite catalysts, and metal free catalysts) are introduced. The reaction mechanism of the NRR is discussed in detail. The structure-function relationship and efficient strategies to improve the ammonia yield are clearly discussed. The effect of the electronic structure and morphology of catalysts on the selectivity of the NRR is highlighted. The research directions and perspectives on the further development of more efficient electrocatalysts for the NRR are provided.Eph receptor tyrosine kinases, particularly EphA2 and EphB4, represent promising candidates for molecular imaging due to their essential role in cancer progression and therapy resistance. Xanthine derivatives were identified to be potent Eph receptor inhibitors with IC50 values in the low nanomolar range (1-40 nm). These compounds occupy the hydrophobic pocket of the ATP-binding site in the kinase domain. Based on lead compound 1, we designed two fluorine-18-labelled receptor tyrosine kinase inhibitors ([18F]2/3) as potential tracers for positron emission tomography (PET). Docking into the ATP-binding site allowed us to find the best position for radiolabelling. The replacement of the methyl group at the uracil residue ([18F]3) rather than the methyl group of the phenoxy moiety ([18F]2) by a fluoropropyl group was predicted to preserve the affinity of the lead compound 1. Herein, we point out a synthesis route to [18F]2 and [18F]3 and the respective tosylate precursors as well as a labelling procedure to insert fluorine-18. After radiolabelling, both radiotracers were obtained in approximately 5% radiochemical yield with high radiochemical purity (>98%) and a molar activity of >10 GBq μmol-1. In line with the docking studies, first cell experiments revealed specific, time-dependent binding and uptake of [18F]3 to EphA2 and EphB4-overexpressing A375 human melanoma cells, whereas [18F]2 did not accumulate at these cells. Since both tracers [18F]3 and [18F]2 are stable in rat blood, the novel radiotracers might be suitable for in vivo molecular imaging of Eph receptors with PET.0 Commentaires 0 Parts 27 Vue 0 Aperçu
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