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Related Experiment Videos

Platelet crossmatch evaluation in refractory hematologic patients.

M E Kieckbusch, S B Moore, V A Koenig

    Mayo Clinic Proceedings
    |July 1, 1987
    PubMed
    Summary

    Platelet crossmatching shows promise for predicting transfusion success in complex patients. A positive crossmatch accurately predicted outcomes, suggesting its utility alongside HLA matching for improved patient care.

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    Area of Science:

    • Transfusion Medicine
    • Immunology

    Background:

    • Previous platelet crossmatching studies excluded medically complex patients with conditions causing low platelet increments.
    • Refractory hematologic patients often have these complex underlying conditions.

    Purpose of the Study:

    • To assess the utility of platelet crossmatching, in addition to HLA matching, for predicting posttransfusion corrected platelet count increment.
    • To evaluate platelet crossmatching effectiveness in medically complicated patients.

    Main Methods:

    • Conducted a study involving eight medically complicated patients receiving 35 single-donor platelet transfusions.
    • Assessed the predictive value, sensitivity, and specificity of platelet crossmatching.

    Main Results:

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  • A positive crossmatch had an 88% predictive value for transfusion outcomes.
  • The test demonstrated 65% sensitivity and 83% specificity.
  • A negative crossmatch had only a 55% predictive value.

    • Conclusions:

    • Platelet crossmatching may be a valuable supplementary test for predicting transfusion outcomes, even in medically complex cases.
    • Rapid and cost-effective implementation is key for routine use.