• Nan Fang Yi Ke Da Xue Xue Bao · Nov 2006

    [Evaluation of perioperative blood loss following total knee arthroplasty].

    • Ji-wei Luo, Da-di Jin, Mei-xian Huang, Hua Liao, and Da-chuan Xu.
    • Department of Orthopedics and Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China. rogerwee@fimmu.com
    • Nan Fang Yi Ke Da Xue Xue Bao. 2006 Nov 1;26(11):1606-8.

    ObjectiveTo evaluate perioperative occult blood loss following total knee arthroplasty (TKA).MethodsA retrospective analysis of 40 patients undergoing TKA was conducted to calculate the mean blood loss and occult blood loss according to Gross formula.ResultsThe mean total blood loss was 1538 ml in these cases with occult blood loss of 791 ml. In patients with autologous blood transfusion, the mean total blood loss was 1650 ml with occult blood loss of 786 ml. In patients without autologous blood transfusion, the mean total blood loss was 1370 ml with occult loss of 798 ml.ConclusionTKA often results in large volume of occult blood loss in the perioperative period which can not be fully compensated by autologous blood transfusion, and additional blood supply is needed for maintenance of the circulating volume.

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