Peri-operative blood transfusion in elective major surgery: incidence, indications and outcome - an observational multicentre study.

Background: Patients' demographic and epidemiological characteristics, local variations in clinicians' knowledge and experience and types of surgery can influence peri-operative transfusion practices. Sharing data on transfusion practices and recipients may improve patients' care and implementation of Patient Blood Management (PBM).

Materials And Methods: This was a multicentre, prospective, observational, cross-sectional study that included 61 centres.