• L Sandrelli, A Pardini, R Lorusso, M L Sala, M Licenziati, and O Alfieri.
• II Cardiac Surgery Department, Spedali Civili, Brescia, Italy.
• Ann. Thorac. Surg. 1995 Mar 1;59(3):730-5.

AbstractPreoperative autologous donation has been shown to be a highly effective measure in reducing homologous blood use in cardiac operations. The aim of our study was to verify the effectiveness of this procedure and to see whether it is compatible with a comprehensive blood conservation program. Three hundred forty-eight patients (group 1) donated an average of 657 +/- 199 mL of blood before open heart operation, whereas 344 patients (group 2) without autologous predonation were used as a control. The two groups were compared with regard to homologous blood use and the possibility of applying other blood conservation measures. Homologous transfusion rate in group 1 was 12.6%, whereas in group 2 it was 46% (p < 0.001). Patients with three units of predonated autologous blood had a transfusion rate of 0.8% (p < 0.001 compared with group 2). In group 1, acute normovolemic hemodilution was accomplished in a lower number of patients and with a lower average withdrawal (338 +/- 102 versus 403 +/- 145 mL; p < 0.001). Other blood conservation measures such as the return of mediastinal drainage and use of residual blood of extracorporeal circulation were applied with similar results in both groups. In our experience, preoperative autologous donation was compatible with the application of other blood conservation measures, but acute normovolemic hemodilution was achieved in a lower number of patients. Preoperative autologous donation proved to be a highly effective method for reducing banked blood use and therefore homologous blood exposure during and after cardiac operations.

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