In this preliminary uncontrolled case series of 5 critically ill patients with COVID-19 and ARDS, administration of convalescent plasma containing neutralizing antibody was followed by improvement in their clinical status.
PHC can increase the rSO2 of patients undergoing CVR, increase cerebral blood flow, improve the cerebral oxygen supply/consumption balance, and play a protective role in the brain. It has no significant impact on the incidence of POCD.