• K Nagano, I Yamanaka, A Miyazawa, and M Endou.
• Department of Anesthesiology, St. Marianna University Yokohama City, Seibu Hospital.
• Masui. 1995 Mar 3;44(3):446-9.

AbstractFor the efficient use of blood resources, we have adopted the Type and Screen system (T & S) and Maximum Surgical Blood Order Schedule (MSBOS) for elective operations. To evaluate the usefulness of these systems, we analyzed the crossmatched to transfused blood ratio (C/T ratio) for the period of one year before and after the adoption of the systems. C/T ratio were 4.65 and 2.38 respectively and crossmatched blood units decreased from 3799 to 2511 units. These results show the usefulness of these systems in perioperative blood transfusion system. It is possible to make use of blood more efficiently by further detailed re-evaluation of both T & S and MSBOS systems.

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