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  • Title: Orthopaedic-induced anemia: the fallacy of autologous donation programs.
    Author: Cushner FD, Hawes T, Kessler D, Hill K, Scuderi GR.
    Journal: Clin Orthop Relat Res; 2005 Feb; (431):145-9. PubMed ID: 15685068.
    Abstract:
    Total knee arthroplasty is associated with significant blood loss. Despite the initiation of various blood conservation modalities, allogeneic transfusion has yet to be eliminated. One hundred forty-eight patients who had unilateral primary total knee arthroplasties during a 3-year period were evaluated retrospectively for blood loss and transfusion rates. The patients were prescribed one unit of preoperative autologous donation that was to be transfused automatically on postoperative Day 1. Allogeneic transfusion was based on symptoms, and no numerical transfusion triggers were used. The preoperative autologous donation program resulted in increased preoperative anemia. Whereas only 26.2% of patients were in the high transfusion-risk group (hemoglobin >10 g/dL and < or = 13 g/dL) before surgery, 55.7% of patients were in this high-risk category after preoperative autologous donation. The patients did not recover from the autologous donations that occurred 4 weeks before surgery. A mean hemoglobin level of 14.0 g/dL was seen before donation, whereas the mean preoperative hemoglobin level decreased to 12.6 g/dL. We think that a preoperative autologous donation program leads to an increased risk of anemia before surgery.
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