Autologous and Allogeneic Blood Transfusions Still Have a Place

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Although the majority of current literature primarily focuses on techniques to decrease blood loss and minimizing transfusion requirements, autologous and allogeneic transfusions still have a place in the perioperative care of total knee arthroplasty patients. Although allogeneic transfusions are not without risk, the medical benefits of an allogeneic unit may outweigh the risks in selected patients when conservative transfusion triggers are used. The literature does not seem to support preoperative autologous donation because of the increased risks of allogeneic transfusion requirements postoperatively. Alternative techniques of utilizing autologous blood, such as reinfusing salvaged red cells or acute normovolemic hemodilution may be indicated in selected patients with significant anticipated perioperative blood loss.

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