• M Yamakage, Y Homma, M Edanaga, S Kohro, and A Namiki.
• Department of Anesthesiology, Sapporo Medical University School of Medicine.
• Masui. 1998 Jan 1;47(1):85-9.

AbstractTo evaluate the present status of blood transfusion during operation in our hospital, we retrospectively analyzed the amount of preoperative preparation & intraoperative use of homologous blood and the circumstances of autologous blood transfusions. The amount of prepared blood was 4,505 units of which 1,187 units were transfused; the mean cross matched-to-transfused (C/T) ratio was 3.8. A trial of maximum surgical blood order schedule (MSBOS, C/T = 1.5) revealed that we could save over 70% of the homologous blood presently prepared. Preoperative blood donation (PBD) and intraoperative autologous blood transfusion (IAT) were performed in 74 cases (47.4%) and 55 cases (35.3%), respectively, of all 156 blood-transfused cases, and the operations were performed without homologous blood transfusion in 88.0% of PBD cases and 67.3% of IAT cases respectively. We are sure that the introduction of MSBOS will lead to a more efficient use of autologous blood, and that we should use homologous blood transfusion techniques so far as is possible to avoid autologous blood transfusion.

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