日本輸血学会雑誌
Online ISSN : 1883-8383
Print ISSN : 0546-1448
ISSN-L : 0546-1448
Saline-Adenine-Glucose-Mannitol 保存液・OPTISOL® による42日, 49日間赤血球保存における赤血球の加機能, 形態学的変化および赤血球寿命と保存液の有用性について
中島 尚登星 順隆浅井 治山本 純子竹内 直子神谷 昌弓加藤 敦子長谷川 智子山崎 恵美中山 一
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1991 年 37 巻 6 号 p. 795-802

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A new red cell preservation solution is described in which the red cells may be stored for 42 and 49 days. An in vivo and vitro study of 42 and 49 days stored red cells with saline, adenine, glucose, mannitol (SAGM) preservation solution (OPTISOL, Terumo Corporation) was conducted using 20 healthy volunteers to document in vivo efficacy and analyze the validity of the 51Cr technique. Standard in vitro parameters of OPTISOL red cell concentrates were well preserved with low levels of hemolysis and high levels of red cell ATP which is compatible with their survival after 42 and 49 days storage. Osmotic pressure at hemolysis ending point of 42 and 49 days stored red cells did not change, while osmotic pressure at hemolysis starting point increased on 49 days. The red cell viscosity increased and scanning electron-microscopic studies showed that the majority of them became echinocyte and spherocyte on 49 days. In vivo autologous post-transfusion recovery was measured by using a 51Cr-labeled red cells. After 42 days of storage, post-transfusion 24-hour recovery averaged 82.3±8.4% and 48-hour recovery was 79.1±9.1%, and after 49 days, 24-hour recovery was 75.9±3.6%, but 48-hour recovery, which averaged 69.9±5.2%, was significantly lower.
The present study reports in vivo and in vitro evaluation of a new red cell storage medium which allows high levels of post-transfusion recovery and permits without significant hemolysis. The results suggested that 42 days if a more suitable shelf life than 49 days.

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