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  • Title: Experimental 6 log10 white cell-reduction filters for red cells.
    Author: Sadoff BJ, Stromberg RR, Miller K, Ngo D, Friedman LI.
    Journal: Transfusion; 1992 Feb; 32(2):129-33. PubMed ID: 1542918.
    Abstract:
    White cell (WBC) reduction of blood components has been receiving increased attention as a way of reducing transfusion-related complications such as WBC-associated HLA alloimmunization and transmission of cell-associated viral diseases. Currently available filters are limited to removing approximately 3 log10 (99.9%) of WBCs from red cells (RBCs). The performance of two experimental filters that were designed to remove 6 log10 WBCs from fresh RBCs during component preparation was evaluated. Both filters were able to meet this objective in less than 40 minutes with RBC losses of less than 15 percent under nonoptimized conditions. Filtered RBCs showed storage parameters within the normal range over a 42-day period. The use of these filters, if combined with a sterile docking device or if incorporated into a collection set, should provide the means to supply highly WBC-reduced RBCs with a normal shelf life.
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