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The merits of reinfusing prebypass-removed autologous blood (intraoperative predonation) to salvage blood and improve postoperative hemostasis are still debated, specifically for patients at a higher risk for bleeding. To evaluate the effect of intraoperative predonation on the platelet count, blood hemoglobin content, and blood saving postoperatively, we retrospectively studied 100 matching patients. All patients underwent internal mammary artery, bypass surgery resulting in a considerable blood loss postoperatively. Intraoperative predonation (800 ml), reinfusion of the residual volume of the extracorporeal circuit, autotransfusion of shed blood, and acceptance of normovolemic anemia postoperatively was the approach adopted in 50 patients (group 1). A similar blood salvage program, excluding intraoperative predonation, was carried out in the other 50 patients (group 2), and these served as the control group. The platelet counts and blood hemoglobin content were significantly higher postoperatively (p |
