Bleeding after cardiac surgery is a common and serious complication leading to transfusion
of multiple blood products and resulting in increased morbidity and mortality. Despite the …

Anaemia in surgical patients is a common and serious problem; around 40% of patients
presenting for major surgery are anaemic. Patients with pre‐operative anaemia have …

Background The effect of a restrictive versus liberal red-cell transfusion strategy on clinical
outcomes in patients undergoing cardiac surgery remains unclear. Methods In this …

Importance Blood transfusion is one of the most frequently used therapies worldwide and is
associated with benefits, risks, and costs. Objective To develop a set of evidence-based …

Cardiac surgery-associated acute kidney injury (CS-AKI) is common and is associated with
increased risk for postoperative morbidity and mortality. Our recent survey of the Society of …

The importance and variability of pre‐operative anaemia in cardiac surgical patients across
the UK is not known, and there is debate about its association with patient outcomes. The …

At least 30 million people worldwide carry a diagnosis of atrial fibrillation (AF), and many
more suffer from undiagnosed, subclinical, or 'silent'AF. Atrial fibrillation-related …

Background Preoperative anemia is a common comorbidity that often necessitates
allogeneic blood transfusion (ABT). As there is a risk associated with blood transfusions …

Background Anemia in cardiac surgery patients has been associated with poor outcomes.
Transfusion of red blood cells during surgery is common practice for perioperative anemia …

In practice, clinicians generally consider anemia (circulating hemoglobin concentration< 120
gl− 1 in non-pregnant females and< 130 gl− 1 in males) as due to impaired hemoglobin …