Post-transfusion thrombocytopenia: its duration in splenic and asplenic individuals

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Updated: Nov 6, 2026

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
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Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload

Published on: March 14, 2017

S Hart, D Bareford, N Smith

    Vox Sanguinis
    |January 1, 1990
    PubMed

    Previous work in our department showed that after blood transfusion, the platelet count often falls to levels which are clinically significant. The probable site of platelet sequestration was identified as the spleen, and post-transfusion thrombocytopenia was prevented by blood filters which remove microaggregate debris from the donor blood. Since the duration of the thrombocytopenia has not been investigated, the purpose of the present study was to establish the rate of onset and duration of post-transfusion thrombocytopenia following packed red blood cell transfusions. In addition, the effect of spleen size, patients' diagnosis and post-transfusion history were examined. These observations provide interesting new data on the mechanisms involved in this phenomenon.

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