Abstract
The transfusion management of immunocompromised patients often requires special blood product use such as cytomegalovirus (CMV)-negative cellular products, which are more costly than standard blood products and occasionally in short supply. We audited the use of CMV-negative products in haematology/oncology patients to determine the appropriateness of their use. A concurrent-prospective audit was conducted of all orders for CMV-negative packed red blood cell (PRBC) and platelet products in 201 haematology/ oncology patients. Once CMV serostatus was determined, orders for inappropriate CMV-negative units were cancelled, and filled as CMV untested units. During the 21-month period of this audit, the rates of inappropriate transfusions decreased for PRBC from 73.2% to 14.3% (chi2 = 68.4, P<0.001) and for platelets from 68.1% to 10.6% (chi2 = 65.6, P<0.001). The median time to cancellation of inappropriate CMV-negative orders was 11 days. This audit resulted in estimated cost savings of $16500 over the 21-month duration. Inappropriate requests for scarce and expensive blood products are substantially reduced by concurrent-prospective auditing of transfusion practice, in a manner that is both simple and cost effective.
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