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The Lancet:老年主动脉瓣狭窄患者通过微创术后活得更久

2015-03-18 佚名 生物谷

据一项发表在《柳叶刀》杂志上的研究表示,一度被认为过于虚弱的老年病人在做了置换主动脉瓣术后延长了寿命,与不接受手术的患者相比他们有了更好的生活质量。 21医疗中心的研究人员在五年内跟踪调查了358名严重的主动脉瓣狭窄患者。患者的平均年龄83岁,他们被均匀地被分为两个研究组——接受微创经导管主动脉瓣替换(TAVR)手术组和标准疗法组,标准疗法包括主动脉球囊瓣膜成形术,但不做外科手术。 研究表明,

据一项发表在《柳叶刀》杂志上的研究表示,一度被认为过于虚弱的老年病人在做了置换主动脉瓣术后延长了寿命,与不接受手术的患者相比他们有了更好的生活质量。

21医疗中心的研究人员在五年内跟踪调查了358名严重的主动脉瓣狭窄患者。患者的平均年龄83岁,他们被均匀地被分为两个研究组——接受微创经导管主动脉瓣替换(TAVR)手术组和标准疗法组,标准疗法包括主动脉球囊瓣膜成形术,但不做外科手术。

研究表明,接受TAVR术的人群寿命更长,有较好的身体反应,他们中的复发病例非常少而且有更好的身体功能状态。五年后,接受TAVR组的有28.2%的人还活着,而标准治疗组只有6.4%的人存活。

“因为一组病人不接受主动脉瓣置换治疗,而药物单独治疗严重主动脉瓣狭窄患者牵涉到违反道义的伦理问题。所以该实验是第一个,也可能是唯一的一次随机主动脉瓣狭窄试验。”医学博士Samir Kapadia说。

主动脉瓣狭窄是最常见的心脏瓣膜疾病,它会导致主动脉瓣不完全打开以及减少心脏的血流量。几十年来,主动脉瓣置换术被认为是黄金标准治疗法,尽管许多老年患者在他们80岁和90岁时被认为病重或过于虚弱而不能接受严格的手术治疗。对于那些病人,TAVR便成为一种优势选择。这项研究是首次对TAVR疗法与标准疗法的五年研究结果进行比较。

原文出处:

Prof Michael J Mack, et al.5-year outcomes of transcatheter aortic valve replacement or surgical aortic valve replacement for high surgical risk patients with aortic stenosis (PARTNER 1): a randomised controlled trial.The Lancet.March 15, 2015.

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    2015-04-12 howi
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    2015-03-20 vera_1203
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