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Related Experiment Videos

Effect of transfusions.

Z Ahmed, P I Terasaki

    Clinical Transplants
    |January 1, 1991
    PubMed
    Summary
    This summary is machine-generated.

    The transfusion effect on graft survival has reversed, with transfused patients now showing lower survival rates. This trend emerged after 1988, impacting various patient groups and dialysis waiting times.

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    Area of Science:

    • Nephrology
    • Immunology
    • Transplantation Science

    Background:

    • Historically, blood transfusions improved kidney transplant outcomes.
    • The 'transfusion effect' was a well-documented phenomenon benefiting graft survival.

    Purpose of the Study:

    • To analyze temporal trends in the transfusion effect on kidney transplant outcomes.
    • To investigate factors influencing the changing impact of transfusions on graft survival.

    Main Methods:

    • Retrospective analysis of kidney transplant recipient data from 1981 to 1990.
    • Comparison of graft survival rates between transfused and non-transfused patients.
    • Evaluation of transfusion effect across different patient demographics, donor types, and transplant center characteristics.

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    Main Results:

    • The positive transfusion effect observed in 1981 disappeared by 1988 and reversed by 1990.
    • Transfused patients exhibited lower graft survival rates compared to non-transfused patients in recent data.
    • The effect diminished in related donors, HLA-mismatched recipients, and Black/Hispanic populations, while persisting in young recipients.
    • Increased sensitization and longer dialysis waiting times were associated with transfused patients and lower graft survival.

    Conclusions:

    • The traditional transfusion effect is no longer beneficial and has reversed, negatively impacting kidney transplant outcomes.
    • Changes in transfusion practices and patient populations may explain the diminished or reversed effect.
    • Further research is needed to understand the mechanisms behind the reversed transfusion effect and optimize transfusion strategies.