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  • Title: [Comparison of 4 crossmatching methods for predicting the success of platelet transfusion].
    Author: Santoso S, Kiefel V, Kühn J, Mueller-Eckhardt G, Mueller-Eckhardt C.
    Journal: Beitr Infusionsther; 1990; 26():153-6. PubMed ID: 1703818.
    Abstract:
    Long term platelet transfusion support often results in alloimmunization of the recipients and refractoriness to further platelet transfusions. Crossmatch tests between the recipients' serum and the donor platelets offer a potential solution to this problem. In the present study, 207 donor-recipient pairs were studied in 65 patients. We compared four assays (LCT, PAIFT, ELISA and MAIPA) in their ability to predict the response in patients receiving multiple platelet transfusions. All four techniques showed a similar predictability of transfusion outcome (79-80%). Of the four assays, the LCT had the highest specificity (100%) and the PAIFT had the highest sensitivity (70%). In comparison to the three other techniques, the MAIPA assay, a glycoproteinspecific immunoassay, offers the possibility to distinguish between HLA-specific (cytotoxic and noncytotoxic) and platelet-specific antibodies in the same serum specimens. Our results demonstrate that HLA antibodies are the major cause of platelet transfusion refractoriness. Platelet specific (i.e. anti-Zwb) and ABO antibodies are involved in approximately 10%.
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