Effect of Perioperative Blood Transfusion on Preoperative Haemoglobin Levels as a Risk Factor for Long-Term Outcomes in Patients Undergoing Major Noncardiac Surgery: A Prospective Multicentre Observational Study

Medicine, Anesthesiology, Cardiovascular System,
perioperative transfusion   preoperative haemoglobin   long-term outcomes   noncardiac surgery   multicentre study   observational study   cardiovascular events  

Academic Background Preoperative anemia and red blood cell (RBC) transfusions are closely associated with poorer surgical outcomes. Although RBC transfusions can increase oxygen delivery, they are also linked to an increased risk of infectious complications, thromboembolic events, pneumonia, sepsis, cardiac events, and mortality. Therefore, when st...