• Clinical therapeutics · Jun 2004

    Review

    Is there a place for epoetin alfa in managing anemia during critical illness?

    • Marlea Givens and Marc Lapointe.
    • Department of Pharmacy Practice, College of Pharmacy, Medical University of South Carolina, Charleston, 29425, USAUSA. givens@musc.edu
    • Clin Ther. 2004 Jun 1; 26 (6): 819-29.

    BackgroundAnemia is a common problem in critically ill patients. As a result, blood transfusions are often used in the intensive care unit (ICU) setting. However, mounting evidence shows that blood transfusions may contribute to negative outcomes, such as transfusion-related infections, organ dysfunction, and immunosuppression. Supplementation with epoetin alfa is currently used in some medical centers to manage anemia in critically ill patients.ObjectiveThis review discusses the risks with blood transfusions and the clinical evidence supporting the use of epoetin alfa in managing edema during critical illness.MethodsA search was conducted in MEDLINE and Current Contents (1966-2003) using the terms epoetin alfa, recombinant human erythropoietin, and anemia. Articles addressing anemia and the use of epoetin alfa in critically ill patients were selected and assessed. From this selection, the cited references addressing the etiology of anemia in the ICU and the risks associated with blood transfusions were manually extracted and reviewed.ResultsSeveral reports have shown that critically ill patients display evidence of anemia due to a blunted erythropoietin response. One large, randomized, placebo-controlled study assessed the effect of SC epoetin alfa on blood transfusions in the ICU. In this study, 40, 000 IU administered weekly for up to 4 weeks resulted in an overall transfusion reduction (9.9% absolute risk reduction; P<0.001 ). Other, smaller studies using different dosing regimens in critically ill patients have also demonstrated that epoetin alfa can decrease the need for transfusion.ConclusionThe use of epoetin alfa in critically ill patients can decrease the number of blood transfusions required during hospitalization, and potentially result in transfusion avoidance. Because of the scarce amount of evidence and the diversity of dosing regimens used used, no strict recommendations can be drawn from this review.

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