Circulation:手术扩大主动脉根部不会增加主动脉瓣置换的手术风险

2017-11-26 xiangting MedSci原创

在这项迄今最大的分析中,ARE与死亡率或不良事件风险升高无关。

主动脉瓣置换术(AVR)期间的外科主动脉根部扩大(ARE)可以允许更大的假体植入,并且是经导管瓣中瓣时代手术AVR的重要辅助手段。AVR时增加ARE是否会增加手术风险尚未确定。研究人员旨在评估进行或不进行ARE的AVR患者的早期结局。

从1990年1月至2014年8月,共有7039名患者在单一机构接受AVR(AVR+ ARE,n = 1854; AVR,n = 5185)。主动脉夹层和活动性心内膜炎患者被排除。平均年龄为65±14岁,63%为男性。使用Logistic回归和倾向评分匹配来调整组间比较的不平衡变量。

接受AVR+ARE治疗的患者女性更多(46% vs. 34%,P <0.001),既往心脏手术率更高(18%vs.12%,P <0.001),COPD(5%vs. 3%,p = 0.004),紧急/紧急状态(6%vs 4%,p = 0.01),NYHA分级更差(p <0.001)。大多数患者接受生物瓣膜治疗(AVR + ARE:73.4%vs. AVR:73.3%,p = 0.98),同时进行心脏手术(AVR + ARE:68%vs. AVR:67%,p = 0.31)。需要AVR + ARE的患者中植入的平均假体大小比AVR稍小(23.4±2.1 vs.24.1±2.3,p <0.001)。AVR + ARE的住院死亡率较高(4.3%vs. 3.0%,p = 0.008),但当队列限于单纯主动脉瓣置换患者伴或不伴根部扩大时,死亡率无统计学差异(AVR +ARE:1.7%vs.AVR:1.1%,p = 0.29)。在校正基线特征后,与AVR相比,AVR + ARE与院内死亡风险升高没有相关性(比值比1.03,95%CI(0.75-1.41),p = 0.85)。此外,AVR + ARE与术后不良事件风险升高无关。对基线特征如果使用倾向匹配而不是多变量调整,结果是类似的。

在这项迄今最大的分析中,ARE与死亡率或不良事件风险升高无关。手术ARE是现代AVR的安全辅助手段。

原始出处:

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    2018-04-29 yxch48
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    2017-11-26 131****1460

    学习了受益匪浅

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    2017-11-26 方舒

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