Lancet:不打针不吃药治疗高血压

2017-12-03 杨中华 脑血管病及重症文献导读

Esler等发现肾脏去神经支配以降低肾脏和全身交感张力,早期临床试验也发现这是一种有希望的方法。但是SYMPLICITY HTN-3试验并未发现肾脏去神经支配能够显著降低患者的血压(vs 假治疗,sham treatment)。事后分析推测以下因素是该研究未成功的原因:内科治疗依从性、肾脏去神经支配治疗不完全以及纳入了单纯收缩期高血压患者。


Esler等发现肾脏去神经支配以降低肾脏和全身交感张力,早期临床试验也发现这是一种有希望的方法。但是SYMPLICITY HTN-3试验并未发现肾脏去神经支配能够显著降低患者的血压(vs 假治疗,sham treatment)。事后分析推测以下因素是该研究未成功的原因:内科治疗依从性、肾脏去神经支配治疗不完全以及纳入了单纯收缩期高血压患者。

因为以前的研究设计具有很大的差异,因此进行验证概念的试验是有必要的。SPYRAL HTN-OFF MED是国际多中心、单盲、随机、sham-controlled、验证概念的试验。纳入的患者为20-80岁的轻度-中度高血压,定义为办公室收缩压(office systolic blood pressure [SBP])>=150 mmHg以及< 180 mmHg,办公室舒张压(office diastolic blood pressure [DBP])>= 90 mmHg,平均24h动态SBP>=140 mmHg并且< 170 mmHg。随机前要求停用所有降压药物,初次筛查访视目的为了检验是否具备纳入标准,并开始药物洗脱。3-4周药物洗脱期后,第二次访视确认患者是否具备纳入标准。

纳入的患者随机给予给予肾脏去神经支配或假手术(仅肾脏血管造影)。主要终点为3个月时24-h血压,采用IIT人群分析。所有患者皆进行药物监测,确保患者不能服用降压药物。

从2015年到2017年共随机了80例患者,其中治疗组38例,假手术组42例,并随访了3个月。在治疗组,从基线到3个月期间办公室血压和24-h动态血压都发生了显著下降:24-h SBP -5.5 mmHg (95% CI –9.1 to –2.0; p=0.0031), 24-h DBP –4.8 mm Hg (–7.0 to –2.6; p<0.0001), office SBP –10.0 mm Hg (–15.1 to –4.9; p=0.0004), office DBP –5.3 mm Hg (–7.8 to –2.7; p=0.0002)。相反,假手术组没有显著变化。两组皆未发生严重不良事件。

最终作者认为该研究发现肾脏去神经支配能够有效降低患者的血压。

原始出处:

Townsend RR1, Mahfoud F2, Kandzari DE,et al.Catheter-based renal denervation in patients with uncontrolled hypertension in the absence of antihypertensive medications (SPYRAL HTN-OFF MED): a randomised, sham-controlled, proof-of-concept trial.Lancet. 2017 Nov 11;390(10108):2160-2170. doi: 10.1016/S0140-6736(17)32281-X. Epub 2017 Aug 28.

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    2018-02-21 howi
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    2017-12-04 llaq

    lancet

    0

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    2017-12-04 执着追梦

    学习.谢谢分享

    0

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    2017-12-04 明天会更好!

    很好的文章.谢谢分享!

    0

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