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Intensive Care Med:心脏手术成年患者围手术期限制IV氯能否减少肾损伤?

2017-08-01 选题审校:安雅晶 编辑:贾朝娟 环球医学

既往认为静脉注射(IV)富含氯的液体与围手术期肾损害相关。2017年6月,发表在《Intensive Care Med》的一项研究显示,在脏手术成年患者中,围手术期限制静脉氯输注与肾损害改变不相关。

既往认为静脉注射(IV)富含氯的液体与围手术期肾损害相关。2017年6月,发表在《Intensive Care Med》的一项研究显示,在脏手术成年患者中,围手术期限制静脉氯输注与肾损害改变不相关。

目的:静脉注射(IV)富含氯的液体和低氯血症与围手术期肾损害相关。本研究旨在考察限制IV含氯液体的全面围手术期方案是否能减少心脏手术成年患者的肾损害。

方法:从2014年2月至2015年12月间,根据研究方案在单一研究医学中心的所有成年心脏手术患者接受IV液体。这个围手术期方案包括从麻醉开始到离开重症监护室期间的所有液体输注,4个连续阶段有所变化,每阶段持续5个月。在第1、4富含氯阶段,采用0.9%生理盐水和4%白蛋白;在第2和3限制氯阶段,使用缓冲盐溶液和20%白蛋白。主要结局是术后5日内肌酐峰值差(?SCr)和KDIGO定义的2期或3期急性肾损伤(AKI)。

结果:研究者招募了1136名患者并分析了他们的数据,569名患者分配至富含氯液体策略,567名分配至限制氯组。同限制氯策略相比,校正预先设定的协变量,富含氯的围手术期液体策略和任何峰?SCr(转变为满足多变量线性回归的假设)[回归相关系数0.03,95%置信区间(CI)-0.03~0.08;p=0.39]或2期或3期AKI(校正比值比0.97,95%CI 0.65~1.47;p=0.90)之间没有关联。

结论:围手术期限制静脉氯输注与心脏手术成年患者的AKI发病率或其他肾损伤指标改变不相关。


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