plasmapheresis血浆去除法

输血中使用的实验室技术。把献血者血液中的血浆分离出而将血细胞输还给献血者。此项技术能使献血者更经常地献出血浆，因人体中只有红细胞需要时间恢复。血友病患者常需输血浆，因血浆中含他们所缺乏的凝血素。

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