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β受体阻滞剂对稳定性心绞痛患者心率变异性的影响 被引量:4

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摘要 目的 :β受体阻滞剂可以预防心源性卒死的发生 ,而心率变异性下降与心源性卒死相关 ,β受体阻滞剂与冠心病心绞痛患者心率变异性的关系尚不清楚。方法 :应用 2 4h动态心电图对 2 5例服用β受体阻滞剂的冠心病稳定性心绞痛患者和 2 5例对照组的患者进行心率变异性分析 ,于检查当日晨起测心率、血压并计算心率×收缩压值。结果 :服用 β受体阻滞剂组患者与对照组相比心率变异性明显增加 (P <0 0 1) ;而心率×收缩压值与对照组相比明显降低 (P <0 0 1)。结论 :β受体阻滞剂可增加冠心病稳定性心绞痛患者的心率变异性 ,同时可降低冠心病稳定性心绞痛患者心率与收缩压的乘积。
作者 杨文
出处 《心肺血管病杂志》 CAS 2002年第4期221-222,共2页 Journal of Cardiovascular and Pulmonary Diseases
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