Abstract

目的研究供受者ABO血型不合对单份非血缘脐血造血干细胞移植(UCBT)患者中性粒细胞、血小板、红细胞植入,急性移植物抗宿主病(aGVHD)累积发生率及180 d移植相关死亡率(TRM)的影响。方法以2008年4月至2014年10月行单份UCBT的208例患者为研究对象,其中供受者ABO血型相合99例,次要不合60例,主要不合38例,主次均不合11例。全部患者均采用强化清髓预处理方案,并予环孢素联合霉酚酸酯方案预防GVHD。结果ABO血型相合与不合的UCBT相比,中性粒细胞、血小板、红细胞累积植入率,Ⅱ~Ⅳ度aGVHD、Ⅲ~Ⅳ度aGVHD及180 d TRM的累积发生率差异均无统计学意义(P值均>0.05),且无一例发生纯红细胞再生障碍。A供O血型不合患者中性粒细胞、血小板、红细胞的中位植入时间分别为+17(+12~+28)、+37(+17~+57)、+25(+13~+52)d,Ⅱ~Ⅳ度aGVHD、Ⅲ~Ⅳ度aGVHD及180 d TRM累积发生率分别为37.50%(95%CI 34.39%~40.61%)、6.25%(95%CI 5.48%~7.02%)及23.53%(95%CI 21.30%~25.76%)。与ABO血型相合、次要不合及主次均不合组比较,差异均无统计学意义(P值均>0.05)。结论接受ABO血型不合UCBT的患者移植后无纯红细胞再生障碍发生。供受者ABO血型不合对UCBT患者的造血重建、aGVHD发生率及TRM均无影响。

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