Abstract
"Leukocyte-depleted" platelet concentrates (LD-SDPC) were prepared by cotton-wool and by polyester filtration of "leukocyte-poor" PC collected by the elutriation technique. The storage characteristics of LD-SDPC were comparable to those of the filtered pools of multiple donor platelet concentrates (LD-MDPC). However, LD-SDPC were less activated and less damaged than LD-MDPC over a 7-day storage period, as evidenced by beta-thromboglobin percent release and lactic dehydrogenase percent leakage in both products. LD-SDPC were prophylactically transfused to 12 thrombocytopenic patients; the mean bleeding time was shortened from 12 min 20 sec to 4 min 39 sec. Corrected count increment (CCI) was 22.8 at 1 hr and 14.1 at 24 hr compared to 15.5 and 10.0, respectively, with standard PCs.
Published Version
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