• Am. J. Clin. Pathol. · Oct 1999

    Operating theater blood transaction system. A "virtual" blood transfusion service that brings the blood bank to the operating table.

    • K F Wong, A W Lee, H L Hui, F K Chang, C S Mak, and A M Kwan.
    • Department of Pathology, Queen Elizabeth Hospital, Hong Kong, China.
    • Am. J. Clin. Pathol. 1999 Oct 1;112(4):481-4.

    AbstractWe describe an operating theater blood transaction system (OTBTS) that is a novel computer software system incorporating electronic crossmatch and the concept of a "self-service" blood banking system in the operating theater. Through this system, the surgeons and the anesthetists can issue blood units for intraoperative transfusion for the patients with a negative antibody screen without the need for a porter service or pneumatic tube system. Since implementation of the OTBTS, the time for obtaining compatible blood for intraoperative transfusion has been reduced from 20 to 30 minutes to around 1 minute. Furthermore, the crossmatch-transfusion ratio was reduced to 1.05. The 23% of patients who required extra blood units (i.e., more than originally anticipated) during surgery further benefited from the system. The blood stock reserved for patients undergoing surgery was reduced by 20%. Therefore, the OTBTS is a system that can greatly enhance the efficiency and safety of intraoperative transfusion and can also save workforce resources.

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