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En tout cas, je viens de voir das le Vidal que c'était un corticoïde qui aà haute dose dminue la réponse immunitaire? Il n'agit donc pas sur le virus lui-même, peu présent à ce stade, mais sur la réponse immunitaire exagérée dont on sait qu'elle apparait à ce stade (tempête cytokinique) :
Among the usual care control group, 28-day mortality was highest in those on ventilators (41%), intermediate in those on oxygen only (25%), and lowest among those who were not receiving any respiratory intervention (13%).
Les taux de mortalité dans l'étude Recovery sont quand même étonnamment hauts :
Étonnamment hauts par rapport à quoi ?Attention aux comparaisons, beaucoup de facteurs peuvent faire varier un tel taux.
Study in ICU finds 30.9% mortality rate from COVID-19June 1st, 2020 Posted by Janet Christenbury-EmoryA new study suggests the mortality rate from COVID-19 may be lower than previous reports have indicatedAs COVID-19 has become the leading cause of death in the US, researchers at Emory University report a lower number of deaths than what most have reported for critically ill COVID-19 patients using mechanical ventilation. The research and outcomes appear in the journal Critical Care Medicine.The researchers conducted a review of critically ill adult patients diagnosed with COVID-19, the disease caused by the coronavirus, SARS-CoV-2, across its academic health system. From March 6 through April 17, 2020, 217 critically ill adults with COVID-19 infection were admitted to six COVID-designated intensive care units (ICUs) at three Emory Healthcare acute-care hospitals.In contrast to previous reports from Wuhan, China, Italy, and Seattle, where mortality rates ranged from 50 to 97%, Emory researchers reported a mortality rate of 35.7% for patients who required mechanical ventilation (59 patients died out of 165 who received mechanical ventilation) and an overall mortality rate of 30.9% (67 patients died out of 217 in the study) to date. Of that overall number, 60.4% of patients (131 patients out of 217 in the study) have survived to hospital discharge.
Les graphiques des 8 régions française les plus touchées sont remplacés par une carte de France, reportant sous forme de couleur le nombre de nouveaux cas de COVID-19, rapportés au nombre d’habitants.