Context Perioperative red blood cell transfusion is commonly used to address anemia, an
independent risk factor for morbidity and mortality after cardiac operations; however,
evidence regarding optimal blood transfusion practice in patients undergoing cardiac
surgery is lacking. Objective To define whether a restrictive perioperative red blood cell
transfusion strategy is as safe as a liberal strategy in patients undergoing elective cardiac
surgery. Design, Setting, and Patients The Transfusion Requirements After Cardiac Surgery …