J Hepatology: 米多君和白蛋白用于减少等待肝移植的肝硬化患者并发症的出现

2018-12-20 MedSci MedSci原创

等待肝移植(LT)的失代偿期肝硬化患者通常会出现可能妨碍他们达到LT的并发症。循环功能障碍导致有效的动脉血容量不足和血管收缩系统的激活是肝硬化并发症病理生理学的关键因素。这项研究的目的是调查米多君,一种α-肾上腺素能血管收缩剂与静脉注射白蛋白联合治疗是否能改善循环功能障碍,并预防等待LT的患者出现肝硬化并发症。

背景与目的
等待肝移植(LT)的失代偿期肝硬化患者通常会出现可能妨碍他们达到LT的并发症。循环功能障碍导致有效的动脉血容量不足和血管收缩系统的激活是肝硬化并发症病理生理学的关键因素。这项研究的目的是调查米多君,一种α-肾上腺素能血管收缩剂与静脉注射白蛋白联合治疗是否能改善循环功能障碍,并预防等待LT的患者出现肝硬化并发症。

方法
研究人员进行了一项多中心,随机,双盲,安慰剂对照试验,纳入了连续196例肝硬化和腹水等待LT的患者。患者被随机分配接受米多君(15-30毫克/天)和白蛋白(40克/ 15天)或匹配安慰剂一年,直到LT或等待列入等待名单。主要终点是任何并发症的发生率(肾衰竭,低钠血症,感染,肝性脑病或肠道出血)。次要终点是死亡率,内源性血管收缩系统的活性和血浆细胞因子水平。

结果
两组间随访期间发生肝硬化并发症(p= 0.402)或一年死亡率(p= 0.527)的可能性无显着差异。与安慰剂相比,米多君和白蛋白治疗与血浆肾素活性和醛固酮轻微但显着降低相关(肾素:-4.3 VS0.1 ng / ml.h,p<0.001;醛固酮:-38 VS 6 ng / dl,p= 0.48)。血浆去甲肾上腺素仅在第4周略有下降。动脉压和血浆细胞因子水平均未发生显着变化。

结论
在等待LT的肝硬化患者中,使用米多君和白蛋白治疗略微抑制血管收缩系统的活性,但不能预防肝硬化并发症或改善生存。

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    2019-04-09 丁鹏鹏
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    2018-12-22 珙桐
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    2018-12-22 gwc384
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    2018-12-20 guging

    谢谢!最新的信息读起来就是收获大

    0

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