AHA 2013:螺内酯对射血分数正常心衰患者中的疗效

2013-11-22 高晓方 译 医学论坛网

于AHA 2013科学年会公布的TOPCAT研究表明,在射血分数正常心衰患者(HFPEF)中,醛固酮受体拮抗剂螺内酯治疗对临床复合主要终点未产生获益,但显著减少了心衰住院。此项研究从6个国家共纳入3445例左室射血分数(LVEF)>45%的心衰患者(年龄>50岁),并随机给予其醛固酮拮抗剂或安慰剂治疗。螺内酯被逐步增加剂量至30~45 mg/d。平均随访时间为3.3年。主要终


于AHA 2013科学年会公布的TOPCAT研究表明,在射血分数正常心衰患者(HFPEF)中,醛固酮受体拮抗剂螺内酯治疗对临床复合主要终点未产生获益,但显著减少了心衰住院。

此项研究从6个国家共纳入3445例左室射血分数(LVEF)>45%的心衰患者(年龄>50岁),并随机给予其醛固酮拮抗剂或安慰剂治疗。螺内酯被逐步增加剂量至30~45 mg/d。平均随访时间为3.3年。主要终点由心血管死亡、心搏骤停未遂或心衰住院组成。

结果显示,螺内酯和安慰剂组分别纳入1722和1723例患者。螺内酯和安慰剂组的主要终点发生率分别为18.6%和20.4%,心血管死亡率分别为9.3%和10.2%,心搏骤停未遂发生率均<1.0%,心衰住院发生率分别为12.0%和14.2%(P=0.042)。除螺内酯组高钾血症较多以及安慰剂组低钾血症较多外,其他不良事件无显著差异。

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