0 1991 S.Karger AG,Basel o o 4 ~ - 9 o o 7 m ~ o 6 o 3 - o$i2~. 7 ~ 0

Vox Sang 1991;60:148-150

Quality of Red Cell Concentrates in Relation to the Volume of the BufQ Coat Removed by Automated Processing in a Top and Bottom System R. N . I. Pietersz, W.J. A. Dekker, H.A. Reesink Red Cross Blood Bank Amsterdam, The Netherlands

Abstract. The effect of automated removal of increasing volumes of buffy coat in a ‘top and bottom’ system on the composition of red cell concentrates (RCC) was investigated. The volume of the buffy coat was adjusted to group 1: 50 ml (n = 31), group 2: 70 ml (n = 31) and group 3: 100 ml (n = 31), respectively. The numbers of platelets and leukocytes in the buffy coats were comparable between the groups, whereas the red cell volumes in the buffy coats showed a significant difference (17f3.6 ml group 1,versus 22f4.1 ml group 2 and 26f3.8 ml group 3; p

Quality of red cell concentrates in relation to the volume of the buffy coat removed by automated processing in a top and bottom system.

The effect of automated removal of increasing volumes of buffy coat in a 'top and bottom' system on the composition of red cell concentrates (RCC) was...
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