Effect of Corticosteroid Treatment on Prognosis in ARDS Secondary to Covid-19

Study conducted on hospitalized patient in critical ill units in Nancy and Metz to evaluate if early corticosteroid treatment in first seven days after admission improve patients outcome in Acute Respiratory Distress Syndrome secondary to Covid-19 compared to later corticosteroid therapy or no treatment. Also comparison of acquired infection with or without corticosteroid treatment during hospitalisation.