0000000000568315
AUTHOR
B. Nicolas
Modification de la réponse immunitaire au cours de la maladie de Rendu-Osler
Introduction La maladie de Rendu-Osler (MRO) est une maladie genetique vasculaire rare caracterisee par une neo-angiogenese deregulee aboutissant a des epistaxis anemiantes parfois associees a malformations arterio-veineuses (MAV) pulmonaires, hepatiques ou cerebrales. La MRO est egalement associee a une lymphopenie T predominant sur les CD4+ dont les causes et les consequences sont mal connues. L’objectif de ce travail est de decrire les polarisations lymphocytaires Th1, Th2, Th17, Th1-17 et Treg au cours de la MRO. Patients et methodes Les patients atteints de MRO confirmee genetiquement ont ete prospectivement inclus lors de leur suivi habituel. Le score de severite des epistaxis (ESS), …
SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study
Abstract Background Preoperative SARS-CoV-2 vaccination could support safer elective surgery. Vaccine numbers are limited so this study aimed to inform their prioritization by modelling. Methods The primary outcome was the number needed to vaccinate (NNV) to prevent one COVID-19-related death in 1 year. NNVs were based on postoperative SARS-CoV-2 rates and mortality in an international cohort study (surgical patients), and community SARS-CoV-2 incidence and case fatality data (general population). NNV estimates were stratified by age (18–49, 50–69, 70 or more years) and type of surgery. Best- and worst-case scenarios were used to describe uncertainty. Results NNVs were more favourable in su…