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  • Title: Benefits realised from a blood transfusion policy for elective joint arthroplasty.
    Author: Mackay GM, McGarrity G, Ellis D, Mackay T.
    Journal: Health Bull (Edinb); 1995 Jul; 53(4):206-8. PubMed ID: 7665347.
    Abstract:
    Transfusion practice and blood ordering policy for major joint replacement was studied during 1989-93. Existing practice requiring automatic preoperative cross-match was prospectively audited. A blood ordering policy rationalising transfusion practice, using the group and screen technique, was then introduced. This resulted in a decrease in the total number of units cross-matched and increased the transfusion fraction significantly. The percentage of blood returned to the blood bank decreased by 46% for knees and 41% for hip arthroplasty. After the introduction of low molecular weight heparin (LMWH) as routine deep vein thrombosis (DVT) prophylaxis for all major total joint arthroplasties, the total transfusion requirement did not increase. In fact, the average number of units transfused per case after its introduction was marginally less at 1.3 units per hip, and 0.9 units per knee.
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