Counting platelets at transfusion threshold levels: impact on the decision to transfuse. A BEST Collaborative – UK NEQAS(H) International Exercise.

The authors conducted an international laboratory check survey for accuracy of determining platelet counts in thrombocytopenic patients (from 6.3 to 53 x 10(9)/L) and found significant variability in results. They conclude that this inaccuracy might have a significant impact on under- and overtransfusion of platelet concentrates to patients.

– Lawrence Tim Goodnough

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