Preoperative donation of blood for autologous transfusion has become a routine practice for patients who are scheduled to have an ortopaedic procedure. The purpose of this retrospective study was to evaluate the effect of preoperative autologous donation on reduction of allogeneic blood transfusion in patients undergoing revision hip arthroplasty. Data of 289 patients who had had a revision total hip arthroplasty during sixty-six-month period were evaluated retrospectively. One hundred and thirty-eight patients donated 1 or two units of autologous blood (47.8%), and 151 patients (52.2%) did not. Preoperative autologous blood reduced allogeneic blood transfusion in patients who had a revision of femoral component only or revision of acetabular component only. Two predonated autologous units and basic hemoglobin level >150 g/L reduced allogeneic blood transfusion in patients who had revision of acetabular and femoral component. All patients who had revision of acetabular and femoral component and had basic hemoglobin level <120 g/L, required additional allogeneic blood transfusion despite predonation blood.