使用上下引流系统分离血沉棕黄层：减少红细胞损失。
Separation of buffy coat using the top and bottom drainage system: reduction of red blood cell loss.
作者信息
Muylle L, Eerens D, Van Breedam B
机构信息
Blood Transfusion Center Antwerpen, The Belgian Red Cross.
出版信息
Transfus Sci. 1993 Oct;14(4):399-403. doi: 10.1016/S0955-3886(05)80013-X.
We studied the effect of automated separation of the buffy coat in a top and bottom "drainage system" using a standard and a modified backplate. The use of the modified method results in reduction of the volume (36 +/-3 mL vs 49 +/-2 mL, P less than 0.001) and the red blood cell content (8 +/- 1% vs 15 +/- 2%, P less than 0.001) of the buffy coat, but also increases the leukocyte content (27 +/- 11% vs 17 +/- 11%, P less than 0.001) of the red cell concentrate. The leukocyte content of the red cell concentrate obtained with the modified method compares well with the reported results of manual buffy coat removal. Therefore the same advantages can be expected.
我们研究了在顶部和底部“引流系统”中使用标准背板和改良背板自动分离血沉棕黄层的效果。使用改良方法可使血沉棕黄层的体积（36±3 mL 对 49±2 mL，P<0.001）和红细胞含量（8±1% 对 15±2%，P<0.001）减少，但也会增加红细胞浓缩物的白细胞含量（27±11% 对 17±11%，P<0.001）。用改良方法获得的红细胞浓缩物的白细胞含量与报道的手动去除血沉棕黄层的结果相当。因此，可以预期会有相同的优势。
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