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Related Experiment Videos

Four crossmatch methods to select platelet donors.

R M Kakaiya, M D Gudino, W V Miller

    Transfusion
    |January 1, 1984
    PubMed
    Summary
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    Platelet crossmatching assays improve donor selection for refractory patients. Enzyme-linked immuno-specific assays showed the highest predictive value, aiding effective platelet transfusions.

    Area of Science:

    • Immunology
    • Transfusion Medicine

    Background:

    • Refractory patients require specific platelet donor selection.
    • Current selection methods include ABO, Rh, and HLA matching.

    Purpose of the Study:

    • To evaluate four crossmatch techniques for selecting platelet donors.
    • To determine the effectiveness of different crossmatch assays in predicting transfusion success.

    Main Methods:

    • Studied 44 donor-recipient pairs in 32 patients.
    • Analyzed the effectiveness of platelet transfusions.
    • Calculated corrected predictive values for enzyme-linked immuno-specific assay, platelet immunofluorescence test, and lymphocytotoxicity.

    Main Results:

    • Enzyme-linked immuno-specific assay had 81% predictive value, platelet immunofluorescence 73%, and lymphocytotoxicity 70%.

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  • Predictive values were similar for HLA-matched and unmatched transfusions.
  • Antiglobulin-modified lymphocytotoxicity offered no advantage over standard lymphocytotoxicity.

    • Conclusions:

    • Platelet crossmatching assays are valuable additions to ABO, Rh, and HLA matching for donor selection.
    • Enzyme-linked immuno-specific assay demonstrated superior predictive value among the tested methods.