JAMA:经导管主动脉置换术后一年观察

2015-03-13 赵洲译 MedSci原创

随着美国FDA在2011年的批准,经导管的主动脉瓣置换手术(TAVR)已经越来越多地用于治疗严重的患有主动脉瓣狭窄却不能进行传统的主动脉瓣置换手术(AVR)的病人。早先的研究跟踪了接受经导管主动脉瓣置换手术的病人在短期内的死亡率和卒中发生率。总的住院死亡率为5.5%,卒中发生时率为2.0%。30天后死亡率为7.6%,卒中发生率为2.8%。但是长期的结果仍旧未知。所以研究人员对这类病人进行了长达一年

随着美国FDA在2011年的批准,经导管的主动脉瓣置换手术(TAVR)已经越来越多地用于治疗严重的患有主动脉瓣狭窄却不能进行传统的主动脉瓣置换手术(AVR)的病人。早先的研究跟踪了接受经导管主动脉瓣置换手术的病人在短期内的死亡率和卒中发生率。总的住院死亡率为5.5%,卒中发生时率为2.0%。30天后死亡率为7.6%,卒中发生率为2.8%。但是长期的结果仍旧未知。所以研究人员对这类病人进行了长达一年的跟踪监测。

研究人员收集了来自胸外科医师协会/美国心脏病学会的相关数据。在美国299所医院,12182名接受经导管主动脉瓣置换手术的病人被进行了跟踪随访。一年的跟踪随访的主要检测结果包括死亡率、卒中发生率和再入院治疗三项。患者的平均年龄为84岁,其中52%为女性。手术过后,59.8%的病人出院回家,30天的死亡率为7.0%。在术后的第一年中,病人平均存活且不在医院中的时间为353天。24.4%的患者有过一次的再入院治疗,12.5%有过两次。一年后的总死亡率为23.7%(2450例死亡),卒中发生率为4.1%(455例),死亡率和卒中发生率的复合结果为26.0%。明显与一年死亡率相关的因素包括高龄、性别(男性)、晚期肾病、严重的慢性阻塞性肺病等等。此外,与男性相比,女性患者有更高的卒中发生率。

当然,一些未经确证的却是潜在的显著因素与术后结果有关。这些因素尚有待证明和评价。此次研究补充了经导管主动脉瓣置换手术的术后长期数据,这些发现将对未来进行TAVR手术的病人有实质性的帮助。

原始出处:

Holmes DR, Jr, Brennan J, Rumsfeld JS, et al. Clinical Outcomes at 1 Year Following Transcatheter Aortic Valve Replacement.JAMA. 2015;313(10):1019-1028. doi:10.1001/jama.2015.1474.

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    2015-03-14 yxch48
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    2015-03-15 lsj631
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