日本輸血学会雑誌
Online ISSN : 1883-8383
Print ISSN : 0546-1448
ISSN-L : 0546-1448
保存日数が異なるMAP加濃厚血赤球 (RC-MAP) へのX線照射
照射の影響と再利用について
山田 尚友南雲 文夫川崎 誠司松崎 美和子只野 壽太郎
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ジャーナル フリー

1995 年 41 巻 6 号 p. 622-625

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X-ray irradiation is currently in wide use as a means of preventing Post-Transfusion Graft-Versus-Host Diease (PT-GVHD). In this study, we evaluated the effects of X-ray irradiation on RC-MAP pre-stored for various numbers of days, and assessed the length of time irradiated RC-MAP could be resued.
RC-MAP was irradiated at a dosage of 15Gy at 1, 7, 14, 21 or 28 days after blood collection. These specimens were referred to as group I, II, III, IV and V (X-ray-irradiated groups), respectively. Non-irradiated RC-MAP was used as the control.
Results showed that plasma K concentration increased following X-ray irradiation. It is therefore advisable that RC-MAPs be used immediately in infants and in renal failure. However, to maximize the efficiency of blood product use, it seemed possible that groups I and II could be used within two weeks after irradiation, and group III within one week. On the basis of this increase in K concentration, howerver, groups IV and V plasma should be used immediately after irradiation.

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