JACC:左室舒张功能不全对TAVR后临床结局的影响

2018-03-22 xiangting MedSci原创

LVDD的进展阶段与TAVR后全因死亡率的风险升高相关,这是由心血管死亡驱动的并在治疗后30天内起效。

这项研究旨在确定左室舒张功能不全(LVDD)对经导管主动脉瓣置换术(TAVR)患者临床结局的影响。

后负荷增加引起的左心室(LV)肥大促进了LVDD的发生,并代表了进展为心脏瓣膜性衰竭的早期阶段。

在接受TAVR的777例主动脉瓣狭窄患者的连续队列中,研究人员根据最新指南对LVDD进行分类。主要终点是1年的全因死亡率。

共有545例(70.1%)LVDD患者。 98例(18.0%),198例(36.3%)和104例(19.1%)患者分别被分为LVDD I、II和III级。145例患者(26.6%)由于只有1或2个差异变量而无法确定LVDD分级。与舒张功能正常的患者(6.9%)相比,LVDD I级(16.3%;调整后的危险比(HR)adj:2.32; 95%置信区间[CI]:1.15-4.66),II级(17.9%; HR adj: 2.58; 95%CI:1.43-4.67)和III级(27.6%; HR adj:4.21; 95%CI:2.25-7.86)的1年全因死亡率较高。临床结局的差异在30天内出现,由心血管性死亡驱动,并在对收缩期LV功能正常患者的敏感性分析中维持。此外,LVDD I级(HR adj:2.36; 95%CI:1.17-4.74),II级(HR adj:2.58; 95%CI:1.42-4.66)和III级(HR adj:4.41; 95%CI:2.37-8.20)是1年死亡率的独立预测因子。

LVDD的进展阶段与TAVR后全因死亡率的风险升高相关,这是由心血管死亡驱动的并在治疗后30天内起效。

原始出处:

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    2019-01-22 yahu
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    2018-12-25 hbwxf
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    2018-03-22 1e0f8808m18(暂无匿称)

    好文章.学习了.

    0

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