Prevention of primary cytomegalovirus infection in patients with hematologic malignancies by intensive white cell depletion of blood products
- 12 November 1989
- journal article
- research article
- Published by Wiley in Transfusion
- Vol. 29 (9), 757-760
- https://doi.org/10.1046/j.1537-2995.1989.29990070177.x
Abstract
The effect of white cell depletion of red cells and platelet concentrates on the transmission of cytomegalovirus (CMV) was studied retrospectively in 150 patients treated intensively for acute leukemia or non‐Hodgkin's lymphoma. CMV infection was diagnosed on the basis of IgM and IgG antibody responses to CMV late antigen (CMV‐LA). Before cytoreductive therapy for their underlying disease, 59 patients were CMV seronegative and 91 were CMV seropositive. None of the 59 CMV‐seronegative patients showed persistent seroconversion 2 months after the cytoreductive treatment. The comparison group, consisting of 312 cardiac surgery patients, showed a significantly higher incidence of primary CMV infections: 10 of 86 (11.6%, p = 0.004). Twenty‐five percent of the CMV‐seronegative patients and controls had transient IgG antibodies to CMV‐LA without IgM antibodies, which is indicative of antibodies passively acquired via blood products. These results indicate that white cell‐poor blood products carry a very low risk, if any, of CMV transmission. The policy of transfusing white cell‐poor blood products provides a useful alternative to the selection of CMV‐seronegative donors.Keywords
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