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  • Title: [Comparison of thrombocyte concentrates of the cell separator AS 104 with preparations of the cell separator CS 3000 (Fenwal)].
    Author: Aulmann HM, Müller R, Zaky M, Avenarius HJ, Stangel W.
    Journal: Beitr Infusionsther; 1990; 26():127-30. PubMed ID: 1703811.
    Abstract:
    Platelet concentrates of the cell separator AS 104 (Fresenius) are compared with those of the cell separator CS 3000 (Fenwal). At each cell separator two platelet preparation protocols and at CS 3000 additionally a WBC preparation protocol was analysed. Platelet counts before and after cellapheresis as well as separation efficiencies show no significant differences between the separation protocols (A, B) and the two cell separators. Platelets of varying volumes show different separation efficiencies. While in WBC concentrates the separation efficiencies of platelets continuously increase from small (2fl) to large (20 fl) platelets, the efficiencies in platelet concentrates decrease in volume range 2 fl-8 fl, and increase in range 8 fl-20 fl. There are no differences between the cell separators. The efficiencies of platelets with 2 fl and 4 fl volumes differ significantly (p less than 0.001) between the protocols A and B of AS 104. After WBC-donation, platelet loss of donors corresponds with platelet yields of the concentrates for the platelet volume range 2 fl-20 fl. Compared with the calculated platelet loss of donors after platelet donation more small platelets with 2 fl-8 fl volumes are found in platelet concentrates. The yields of platelets with 10 fl-20 fl volumes are in accordance with donor's platelet loss.
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