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Riise Timmons posted an update 2 weeks ago
Transcriptome pathway analysis highlighted mitochondrial dysfunction and altered fatty acid oxidation as key molecular perturbations associated with zileuton exposure, and suggested that interindividual differences in cytochrome P450 metabolism, glutathione-mediated detoxification, and FXR signaling may contribute to zileuton-induced liver injury. Taken together, DO mice provided a platform for investigating mechanisms of toxicity and resistance in context of zileuton-induced liver injury which may lead to targeted therapeutic interventions. Published by Oxford University Press 2020.Respiratory illnesses are a leading cause of infant mortality worldwide. Bubble CPAP is a simple and effective treatment for infants in respiratory distress. Across resource-limited settings, various bubble CPAP setups have been used with widely varying results. Based on fundamental fluid dynamics principles and clinical experience, the BCPAP score has been developed to gauge effectiveness of bubble CPAP delivery in different settings. Five questions addressing Bubbles, Circuit, Prongs, Airway and Pressure allow clinicians to rapidly determine whether they are delivering effective bubble CPAP. This article describes how to calculate a BCPAP score and explains the rationale behind the BCPAP score. © The Author(s) [2020]. Published by Oxford University Press. All rights reserved. For permissions, please email [email protected] and dispersal events, combined with intricate global climatic history, have left an imprint on the spatiotemporal distribution and diversity of many organisms. Anelosimus cobweb spiders (Theridiidae), are organisms ranging in behavior from solitary to highly social,l with a cosmopolitan distribution in temperate- to-tropical areas. Their evolutionary history and the discontinuous distribution of species richness suggest that 1) long distance overwater dispersal, and 2) climate change during the Neogene (23-2.6 Ma), may be major factors in explaining their distribution and diversification. Here we test these hypotheses, and explicitly test if global Miocene/Pliocene climatic cooling in the last 8 Ma affected Anelosimus radiation in parallel in South America and Madagascar. To do so, we investigate the phylogeny and spatiotemporal biogeography of Anelosimus through a culmination of a 20-year comprehensive global sampling at the species level (69 species, including 84% of the known 75 species worldwidehalf of the Society of Systematic Biologists. All rights reserved. For permissions, please email [email protected] Colistin represents a polypeptide used for the treatment of MDR microorganisms, although the optimal dosing strategy is under investigation. The present meta-analysis aims to determine whether the administration of a colistin loading dose in patients receiving high-dose maintenance regimens changes the rates of treatment success and the risk of nephrotoxicity. METHODS Medline, Scopus, CENTRAL, Clinicaltrials.gov and Google Scholar were systematically searched from inception to 18 November 2019. Studies were considered eligible if they reported clinical outcomes among patients receiving high-dose colistin therapy with and without the administration of a loading dose. Meta-analysis was performed by fitting a random-effects model. RESULTS Eight (three prospective and five retrospective cohort) studies were included, comprising 1115 patients. The administration of a colistin loading dose was associated with significantly higher microbiological [risk ratio (RR) = 1.23, 95% CI = 1.10-1.39] but not clinical (RR = 1.04, 95% CI = 0.87-1.24) success. No significant associations were calculated for nephrotoxicity (RR = 1.31, 95% CI = 0.90-1.91) and mortality (RR = 1.03, 95% CI = 0.82-1.29) risk. The results remained stable after adjustments for small sample size, credibility ceilings, publication bias and risk of bias. CONCLUSIONS Observational evidence suggests that the administration of a colistin loading dose in patients receiving high maintenance dosage regimens is significantly associated with higher rates of microbiological response, but does not change clinical cure, mortality or nephrotoxicity risk. The dosing regimen that would provide the optimal balance between treatment efficacy and safety needs to be determined by future randomized controlled trials. © The Author(s) 2020. Published by Oxford University Press on behalf of the British Society for Antimicrobial Chemotherapy. All rights reserved. For permissions, please email [email protected] The antibiotic use rate (AUR) has emerged as a potential metric for neonatal antibiotic use, but reported center-level AURs are limited by differences in case mix. Ro 20-1724 supplier The objective of this study was to identify patient characteristics associated with AUR among a large cohort of preterm infants. METHODS Retrospective observational study using the Optum Neonatal Database, including infants born from January 1, 2010 through November 30, 2016 with gestational age 23-34 weeks admitted to neonatal units across the United States. Exposures were patient-level characteristics including length of stay, gestational age, sex, race/ethnicity, bacterial sepsis, necrotizing enterocolitis, and survival status. The primary outcome was AUR, defined as days with ≥ 1 systemic antibiotic administered divided by length of stay. Descriptive statistics, univariable comparative analyses, and generalized linear models were utilized. RESULTS Of 17 910 eligible infants, 17 836 infants (99.6%) from 1090 centers were included. Medrmissions, please e-mail [email protected] Patients returning to dialysis after graft loss have high early morbidity and mortality. METHODS We used data from the Swiss Transplant Cohort Study to describe the current practice and outcomes in Switzerland. All patients who received a renal allograft between May 2008 and December 2014 were included. The patients with graft loss were divided into two groups depending on whether the graft loss occurred within 1 year after transplantation (early graft loss group) or later (late graft loss group). Patients with primary non-function who never gained graft function were excluded. RESULTS Seventy-seven out of 1502 patients lost their graft during follow-up, 40 within 1 year after transplantation. Eleven patients died within 30 days after allograft loss. Patient survival was 86, 81 and 74% at 30, 90 and 365 days after graft loss, respectively. About 92% started haemodialysis, 62% with definitive vascular access, which was associated with decreased mortality (hazard ratio = 0.28). At the time of graft loss, most patients were on triple immunosuppressive therapy with significant reduction after nephrectomy.