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β受体阻滞剂治疗间歇性跛行合并动脉高血压

2011-06-10 范伟伟译 MedSci原创

 德国一项双盲、随机对照研究显示,在治疗后约1年期间,β受体阻滞剂在间歇性跛行合并动脉高血压患者中的耐受性良好,直接比较奈必洛尔和美托洛尔对这类患者的疗效则无显著性差异。该研究于2011年6月6日在线发表于《高血压》(Hypertension)杂志。   β受体阻滞剂影响血管紧张度,因而在外周动脉疾病上的应用颇受争议。β受体阻滞剂奈必洛尔具有血管舒张、内皮依赖性和一氧化氮(NO)释放特性,可能

 德国一项双盲、随机对照研究显示,在治疗后约1年期间,β受体阻滞剂在间歇性跛行合并动脉高血压患者中的耐受性良好,直接比较奈必洛尔和美托洛尔对这类患者的疗效则无显著性差异。该研究于2011年6月6日在线发表于《高血压》(Hypertension)杂志。

  β受体阻滞剂影响血管紧张度,因而在外周动脉疾病上的应用颇受争议。β受体阻滞剂奈必洛尔具有血管舒张、内皮依赖性和一氧化氮(NO)释放特性,可能对外周动脉疾病有益。本研究评价了奈必洛尔相比于美托洛尔对外周动脉疾病患者有效性和耐受性。

  研究共纳入128例具有间歇性跛行和原发性高血压的患者,随机接受奈必洛尔5 mg(N=65),或美托洛尔95 mg(N=63),每日1次用药。终点包括以下指标的变化:踝-臂指数、初始和绝对跛行距离,采用血流介导肱动脉舒张测量的内皮功能,血压以及采用跛行量表问卷法评价的生活质量。终点分析在109例患者(85.2%)中可行。

  在48周治疗期间,两组患者的踝-臂指数和绝对跛行距离均有显著改善(P<0.05),但两治疗组间无差异。奈必洛尔组的初始跛行距离显著高于美托洛尔组,校正的平均初始跛行距离变化在奈必洛尔组为33.9%(P=0.003),在美托洛尔组为16.6%(P=0.12)。两种治疗药物均未对生活质量产生影响,血流介导的血管舒张也没有相关变化(P=0.16)。两种药物在降低血压方面疗效相当。

  链接:

  β-Blockers in Patients With Intermittent Claudication and Arterial Hypertension

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    2011-08-14 zhyy88
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