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JACC:迷走神经刺激治疗心力衰竭没有效果

2016-07-05 崔倩 译 MedSci原创

尽管医学和装置治疗有所进步,但心脏衰竭(HF)的患病率依然在增加,是发病率和死亡率的一个主要原因。自主神经失衡,过度的交感神经激活和降低的迷走神经张力,是HF的病理生理机制的一个组成部分。该INOVATE-HF(心力衰竭迷走神经张力的增加)试验评估了HF患者迷走神经刺激(VNS)的安全性和有效性,以及减小的射血分数。INOVATE-HF是一项涉及85个中心的多国,随机临床试验,这些患者为慢性HF,

尽管医学和装置治疗有所进步,但心脏衰竭(HF)的患病率依然在增加,是发病率和死亡率的一个主要原因。自主神经失衡,过度的交感神经激活和降低的迷走神经张力,是HF的病理生理机制的一个组成部分。

该INOVATE-HF(心力衰竭迷走神经张力的增加)试验评估了HF患者迷走神经刺激(VNS)的安全性和有效性,以及减小的射血分数。

INOVATE-HF是一项涉及85个中心的多国,随机临床试验,这些患者为慢性HF,纽约心脏协会功能III级症状和射血分数≤40%的患者。患者以3:2的比例被分配接受设备植入到提供VNS(阳性)或者继续药物治疗(对照)。主要疗效终点是任何原因的死亡或第一次HF恶化的复合事件。

患者(n=707)被随机分配接受治疗,平均随访16个月。在VNS组的436例患者中,132例患者发生主要疗效终点,对照组271例患者中有70例患者发生主要终点(30.3% vs 25.8%;风险比:1.14;95%置信区间:0.86至1.53; P=0.37)。在试验过程中,估计每年的死亡率分别为9.3%和7.1%(P=0.19)。生活质量,纽约心脏协会功能分级,6分钟步行距离都不受VNS影响(P<0.05),但左室收缩末期容积指数是有差异的(P=0.49)。

在慢性HF患者中,VNS不会降低死亡或HF事件的发生率。

原始出处:

Michael R. Gold,Dirk J. Van Veldhuisen,Paul J. Hauptman,et al.Vagus Nerve Stimulation for the Treatment of Heart Failure,JACC,2016.7.5

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    2017-04-13 hbwxf
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    2016-10-12 1e0ece0dm09(暂无匿称)

    谢谢分享学习谢谢

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    2016-10-11 1e0ece0dm09(暂无匿称)

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