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长期β阻滞剂治疗对充血性心力衰竭患者P波离散度的影响 被引量:1

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摘要 目的 通过测定心电图 (ECG)最大P波持续时间 (PWM)和P波离散度 (PWD)的变化 ,探讨倍他乐克对充血性心力衰竭 (CHF)患者心房传导功能的影响。方法  2 30例心功能Ⅱ~Ⅲ级CHF患者随机分为观察组和对照组 ,在常规治疗的基础上 ,观察组给予倍他乐克治疗 ,测定入选和随访结束时 12导联ECG的PWM和PWD。结果 入选时观察组和对照组脉搏(AP)、左室内径 (LV)、左房内径 (LA)、左室射血分数 (LVEF)、PWM和PWD无明显差异 (P >0 0 5 )。随访结束时观察组各参数明显降低 (LVEF除外 ,P均 <0 0 0 1)。对照组治疗后各参数 (LVEF除外 ,P <0 0 1)均增加 (AP ,P <0 0 1;LV ,P >0 0 5 ;LA ,P<0 0 5 ;PWM ,P <0 0 0 1;PWD ,P <0 0 0 1)。治疗后两组差别显著 (P <0 0 0 1)。观察组房颤发生率和死亡率明显低于对照组 (P >0 0 5 )。结论 倍他乐克可明显降低CHF患者PWM和PWD ,使CHF患者房颤发生率下降 。
出处 《中国急救医学》 CAS CSCD 北大核心 2004年第4期295-296,共2页 Chinese Journal of Critical Care Medicine
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