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静息心率增高对冠心病患者的影响 被引量:7

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摘要 目的探讨静息心率(RHR)对冠心病患者产生不良心脏事件及心率变异性的影响和临床意义。方法106例冠心病患者,按RHR水平分为:50~65次/min组(A组),28例;66~84次/min组(B组):41例;≥85次/min组(C组),37例。对入选患者分别进行24h动态心电图、心电图检查和发病情况进行询问。结果随着RHR的增高,不良心脏事件的发生率和心肌缺血检出率增加,心率变异性明显降低。各组间比较差异有统计学意义(P〈0.05或P〈0.01)。结论冠心病患者随着RHR的增高,不良心脏事件发生率和心肌缺血检出率增加,心率变异性明显降低,RHR的增高是发生不良心脏事件的危险因素和预测因子。
出处 《中国心血管杂志》 2008年第1期51-52,共2页 Chinese Journal of Cardiovascular Medicine
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