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Hypertension:24小时血压监测预测和评估肾脏去神经支配术的影响

2017-01-25 xing.T MedSci原创

肾脏去神经支配术可以均匀地降低顽固性高血压患者24小时动态血压,并提示夜间收缩压及其变异是对肾脏去神经支配术产生血压反应的预测因子。

DENERHTN试验(高血压患者肾脏去神经支配试验)已经证实了可以将具有降低血压效应的肾脏去神经支配术添加到顽固性高血压6个月的标准化的阶梯抗高血压治疗中。近日,心血管权威杂志Hypertension上发表一篇研究文章,研究人员在这个研究中报告了肾脏去神经支配术对24小时血压及其变异的影响,并且寻找可以预测血压反应的参数。

研究人员将顽固性高血压患者随机分为两组,分别接受添加了肾脏去神经术的阶梯治疗或单独治疗(对照组)。根据随机和6个月的记录数据计算出24小时、白天和夜间血压和平滑指数的平均和标准偏差。反应者被定义为6个月时24小时收缩压降低超过20mmHg的个体。研究人员对完成试验方案的人群进行分析。

研究人员发现在肾脏去神经术组显著减低的血压与较高的平滑指数相关(P=0.02)。两组患者从研究之初的基础水平到6个月的24小时、日间和夜间血压变异均没有显著变化,但是在肾脏去神经术组患者中反应者的数量(20/44,44.5%)要显著高于对照组(11/53,20.8%,P=0.01)。在判别分析中,基线水平的平均夜间收缩压和标准差是肾脏去神经术组患者收缩压反应的显著预测因子,允许70%的患者归类到反应者中。

这些研究结果表明,肾脏去神经支配术可以均匀地降低顽固性高血压患者24小时动态血压,并提示夜间收缩压及其变异是对肾脏去神经支配术产生血压反应的预测因子。

原始出处:

Philippe Gosse, et al. Twenty-Four-Hour Blood Pressure Monitoring to Predict and Assess Impact of Renal Denervation The DENERHTN Study (Renal Denervation for Hypertension). Hypertension. 2017. 

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    2017-07-15 feather89
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    2017-09-09 chengjn
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