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ESC 2017:SPYRAL HTN-OFF MED证实肾交感神经去除术可有效治疗未用药高血压

2017-08-29 MedSci MedSci原创

肾交感神经去除术(RDN)是一种基于导管方法应用射频消融选择性靶向损毁肾交感神经以治疗顽固性高血压的方法,这里提及的是药物治疗效果不佳的顽固性高血压。SPYRAL HTN-OFF MED研究是一项国际、多中心、前瞻性、随机、假手术对照的临床试验,旨在探究肾交感神经去除术治疗的安全性和血压控制效果。纳入了未服用降压药物或试验开始前至少4周停用降压药物治疗的顽固性高血压患者未控制高血压定义为诊室收缩压

肾交感神经去除术(RDN)是一种基于导管方法应用射频消融选择性靶向损毁肾交感神经以治疗顽固性高血压的方法,这里提及的是药物治疗效果不佳的顽固性高血压

SPYRAL HTN-OFF MED研究是一项国际、多中心、前瞻性、随机、假手术对照的临床试验,旨在探究肾交感神经去除术治疗的安全性和血压控制效果。纳入了未服用降压药物或试验开始前至少4周停用降压药物治疗的顽固性高血压患者

未控制高血压定义为诊室收缩压为150-180 mmHg,舒张压超过90 mmHg,24小时平均收缩压为140-170mmHg。基线和治疗三个月时测量患者的血压,并进行组间比较。

患者、护理人员和血压评估人员均对随机分配情况保持未知。研究旨在比较两组之间主要终点及3个月时24小时血压变化,并对随访3个月时的安全事件进行评估。同时,监测血液或尿液标本以确保患者未服用降压药物的依从性。

今日ESC会议上研究人员公布了其中80名患者的3个月研究结果,38名患者接受RDN,42名接受假手术治疗。与基线时期相比,治疗3个月后,RDN组患者诊室收缩压和舒张压分别降低了10.0 mmHg (p<0.001) 和 5.3 mmHg (p=0.008),而对照组分别降低了2.3 mmHg (p=NS) 和 0.3 mmHg (p=NS)。

24小时动态血压方面,与基线时期相比,RDN组患者收缩压和舒张压分别降低了5.5mmHg 5.5 mmHg (p=0.04) 和 4.8 mmHg (p<0.001),对照组则分别降低了0.5mHg (p=NS) 和 0.4 mmHg (p=NS)。

治疗期间两组患者均未发生重大安全事件。

原始出处:

Renal denervation lowers blood pressure in hypertensive patients not taking medication (SPYRAL HTN-OFF MED). 28 Aug 2017.

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