Autologous blood withdrawal before instituting cardiopulmonary bypass (CPB) protects the platelets, preserve red cell mass and reduce allogeneic transfusion requirements. Ideal condition for autologous blood donation is elective cardiac surgery where there is a high probability of blood transfusion. The purpose of this study was to assess the role of preoperative autologous blood donation in cardiac surgeries. Out of 150 patients registered, 50 cases were excluded on the basis of hemoglobin content (
Key words: Acute normovolemic hemodilution (ANH), allogeneic transfusion, cardiothoracic surgery, preoperative autologous donation (PAD)
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