U.S., July 31 -- ClinicalTrials.gov registry received information related to the study (NCT07094295) titled 'Perioperative Blood Transfusion and Increased One-year Mortality' on July 23.
Brief Summary: The goal of this retrospective observational study is to explore the association of perioperative blood transfusion with increased one-year mortality in patients undergoing surgeries. The main question it aims to answer perioperative blood transfusion is associated with increased one-year mortality across various surgical settings. We will retrospectively collect the clinical data (including one-year mortality) in patients with perioperative blood transfusion or not and analysis the association between perioperative blood transfusion and one...