Covid-19 patients admitted to intensive care unit (ICU) are at increased risk of acute brain dysfunction revealed a new study. They experienced a higher burden of delirium and coma than those hospitalised with acute respiratory failure said the research published in The Lancet Respiratory Medicine journal. The study believed to be the largest of its kind to date is led by scientists at Vanderbilt University Medical Center (VUMC) in the US. It tracked the incidence of delirium and coma in over 2000 Covid-19 patients admitted to 69 adult ICUs across 14 countries before April 28 2020. Nearly 82 per cent