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[Systematic review of transfusion strategies for cardiac surgery]

Qinjuan Wu, Ronghua Zhou, Bin Liu

    Sheng Wu Yi Xue Gong Cheng Xue Za Zhi = Journal of Biomedical Engineering = Shengwu Yixue Gongchengxue Zazhi
    |July 22, 2014
    PubMed

    Insights

    Restrictive red blood cell (RBC) transfusion strategies in cardiac surgery reduce transfusion risk and volume. These strategies do not significantly impact mortality, adverse events, or hospital stay compared to liberal approaches.

    Area of Science:

    • Cardiology
    • Transfusion Medicine
    • Critical Care Medicine

    Background:

    • Red blood cell (RBC) transfusion is common in cardiac surgery.
    • The optimal transfusion strategy remains debated.

    Purpose of the Study:

    • To assess the clinical outcomes of restrictive versus liberal RBC transfusion strategies in cardiac surgery.

    Main Methods:

    • Systematic review and meta-analysis of randomized controlled trials (RCTs).
    • Searches of PubMed, MEDLINE, and Cochrane Library (1980-2012).
    • Analysis of five RCTs involving 1,203 patients using RevMan 5.1 software.

    Main Results:

    • Restrictive transfusion strategies significantly reduced the risk of receiving an RBC transfusion (MD = -1.46, 95% CI -1.18 to -1.1).
    • Restrictive strategies also decreased the volume of RBCs transfused (RR = 0.69, 95% CI 0.53-0.89).
    • No significant differences were observed in mortality, adverse events, or length of hospital/ICU stay between strategies.

    Conclusions:

    • Restrictive RBC transfusion strategies effectively reduce transfusion rates and volumes in cardiac surgery.
    • These strategies do not appear to adversely affect clinical outcomes such as mortality or length of stay.

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