Clinicians should continue to weigh the risk of stroke versus bleeding before prescribing DOACs in the CKD and dialysis population.
A nontargeted plasma metabolomic analysis was conducted to compare differentially expressed metabolites in women with and without fibromyalgia (FM) using data and samples collected from two parent studies in women with FM (n = 20) and comparative data collected from newly recruited age‐matched women (n = 20). Blood plasma samples were analyzed for metabolite content using liquid chromatography mass spectrometry. Consolidation of positive and negative ion mode metabolomics data with fold change (>2 or <0.5) and variable importance of projection scores ≥1 revealed statistically significant metabolites comparing samples from women with and without FM. Metabolite profiles in patients with FM differed from the comparison group in energy, lipid and amino acid metabolites reflecting heightened oxidative stress, inflammation, and tryptophan degradation in patients with FM. Study results may contribute to further identification of unique metabolomic profiles enhancing understanding of the pathophysiology of FM and for the development of effective therapeutic options.
Skeletal tibial traction is a temporizing measure used preoperatively for femoral fractures to improve the length and alignment of the limb and provide pain relief. The goal of this study was to identify possible neurovascular morbidity associated with the use of bedside skeletal tibial traction to treat femur fractures. All femoral fractures treated with proximal tibial traction during a 10-year period at an urban level I trauma center were retrospectively reviewed. The medical record was reviewed to determine whether a pin-related complication had occurred. Records also were reviewed to identify ipsilateral multi-ligamentous knee injuries that were not diagnosed until after the application of traction. In total, 303 proximal tibial traction pins were placed. A total of 7 (2.3%; 95% confidence interval, 0.60%-4.0%) pin-related neurologic complications and zero vascular complications were noted. All complications involved motor and/or sensory deficits in the distribution of the peroneal nerve. Of the 7 complications, 6 resolved fully after surgery and removal of the pin. After traction placement, 6 (2.0%) ipsilateral multiligamentous knee injuries were diagnosed. None of these patients had a neurovascular complication. This study suggests that bedside placement of proximal tibial traction for femoral fractures is associated with a low incidence of neurovascular complications and that traction can be safely placed at the bedside by residents. A thorough neurovascular examination should be performed before insertion, and care should be taken to identify the proper starting point and reduce soft tissue trauma during pin placement. [Orthopedics. 2017; 40(6):e1004-e1008.].
versus-host disease (cGVHD) remains a significant late effect issue for allogeneic hematopoietic cell transplantation (allo-HCT) survivors, contributing to morbidity and mortality. The etiology of cGVHD is not well elucidated. Owing to a lack of early diagnostic tests and pathophysiology ambiguity, targeted treatments remain limited. Biomarkers for prediction, control response, or prognostication have not yet been identified. Metabolomics, the quantification of metabolites, is a potential biomarker of cGVHD but has not been evaluated in this population. In this study, we examined global metabolites of stored plasma to identify differentially expressed metabolites of individuals discordant for cGVHD following allo-HCT. A descriptive, comparative, cross-sectional study design was used to examine differentially expressed metabolites of plasma samples obtained from 40 adult allo-HCT recipients (20 with cGVHD and 20 without cGVHD) from 2 parent studies. Metabolomics profiling was conducted at the University of Florida's Southeast Center for Integrative Metabolomics. Full experimental methods followed a previously published method. All statistical analyses were performed by a PhD-prepared, trained bioinformatics statistician. There were 10 differentially expressed metabolites between participants with cGVHD and those without cGVHD. Differential metabolites included those related to energy metabolism (n = 3), amino acid metabolism (n = 3), lipid metabolism (n = 2), caffeine metabolism (n = 1), and neurotransmission (n = 1). Serotonin had the greatest fold change (21.01). This study suggests that cGVHD may be associated with expanded cellular energy and potentially mitochondrial dysfunction. The differential metabolic profile between patients with and without cGVHD indicates metabolic perturbations that merit further exploration as potential biomarkers of cGVHD. These findings support the need for further examination using a larger, prospective study design to identify metabolomic risk factors that may signal the need for earlier preventive measures and earlier treatment to reduce cGVHD.
Advancements in technology have enabled humanity to be more interconnected than ever, strengthening our economies and promoting globalization. However, as seen in the 2020 Coronavirus Pandemic, such a high degree of interconnectedness between nations and peoples allows infectious diseases to spread around the world at unprecedented rates. We have seen hundreds of nations attempt to combat the COVID-19 Pandemic in many different ways with varying amounts of success, from total isolation and quarantine to attempting to procure herd immunity through exposure. The People’s Republic of China, being the first nation to deal with the coronavirus pandemic set a new standard for disease identification, control and eradication by eliminating the disease completely within a matter of months. Method: This paper analyzes the coronavirus strategies of three major nations, China, South Korea, and the United States, by comparing the severity and types of measures taken to contain/prevent spread to the efficacy of those measures as seen in their respective curves. Results: From the analysis, it was clearly seen that having a high degree of power centralization with respect to the federal government as seen in China and South Korea along with minimal opposition from individual states, parties, and the legal system allowed for vastly more effective pandemic control as compared to libertarian nations with higher levels of autonomy for both lower levels of government and individuals such as what is seen in the United States of America.
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