A Comparison of Platelets Prepared by the Haemonetics Model 30 and Multiunit Bag Plateletpheresis

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Abstract
Platelet concentrates were prepared using the Haemonetics Model 30 (M-30) and a multiunit bag pheresis method. Comparisons of collection efficiency using paired donor collections and posttransfusion recovery using the same donor-recipient pairs were made for the 2 methods. M-30 proved consistently superior as a collection method in terms of efficiency and yield/h (P < 0.001). When platelets obtained were transfused to HL-A matched, clinically stable, thrombocytopenic patients with acute leukemia similar increments within the expected range were obtained at 1 h and 18 h posttransfusion. While the M-30 was a more efficient collection method, the bag method was still relatively efficient and may be more suitable for smaller centers and specialized uses.