CMAJ:α-受体阻滞剂和缺血性卒中,你知多少?

2015-12-29 phylis 译 MedSci原创

背景:在早期治疗阶段,α-受体阻滞剂因其急性低血压效应而臭名昭著。因为,急性脑低血压可能引起缺血性卒中,研究者应用自控病例系列设计探索应用α-受体阻滞剂早期,发生缺血性卒中的风险。方法:研究者识别台湾全民健康保险索赔数据库中2007年开始应用α-受体阻滞剂的50医生的男性,并且在2007-2009年诊断为缺血性卒中的患者。患者开始应用α-受体阻滞剂的第一天,记录为指数日期。研究者根据与指数日期的关

背景:在早期治疗阶段,α-受体阻滞剂因其急性低血压效应而臭名昭著。因为,急性脑低血压可能引起缺血性卒中,研究者应用自控病例系列设计探索应用α-受体阻滞剂早期应用发生缺血性卒中的风险。

方法:研究者识别台湾全民健康保险索赔数据库中2007年开始应用α-受体阻滞剂的50医生的男性,并且在2007-2009年诊断为缺血性卒中的患者。患者开始应用α-受体阻滞剂的第一天,记录为指数日期。研究者根据与指数日期的关系,划分不同的风险期(预暴露风险周期1和2 为指数日期前≤21天和22~60天;暴露后的风险;1期和2期为指数日期后≤21天和22~60天)。研究期间的其余部分定义为未曝光时期。研究者应用条件Poisson回归模型,评估每个风险时间段相对于未暴露时期的IRR值。

结果:共有7502名男性患者。与未曝光期间的风险相比,研究人口的所有患者的暴露后的危险1期的缺血性卒中发生的风险增加(校正IRR:1.40,95%CI: 1.22-1.61),没有合并应用其他抗高血压药物的患者中校正IRR为2.11(95% CI 1.73-2.57)。

结论:在应用早期,α-受体阻滞剂治疗与缺血性卒中风险增加有关,尤其是在没有服用其他抗高血压药物的患者。

原文出处:

Lai CL, Kuo RN, et al.  Risk of ischemic stroke during the initiation period of α-blocker therapy among older men.  CMAJ. 2015 Dec 7.


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