Increased Mortality , Postoperative Morbidity , and Cost After Red Blood Cell Transfusion in Patients Having Cardiac Surgery

Background—Red blood cell transfusion can both benefit and harm. To inform decisions about transfusion, we aimed to quantify associations of transfusion with clinical outcomes and cost in patients having cardiac surgery. Methods and Results—Clinical, hematology, and blood transfusion databases were linked with the UK population register. Additional… (More)