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study of the relation between heart rate variability and arrhythmias in patients with coronary heart disease
Author(s): LIU Yanyang, CHEN Junxi, GE Junzhi, WU Zhizuo, LIU Qiuling
Pages: 285-
287
Year: 2007
Issue:
4
Journal: JIANGXI MEDICAL JOURNAL
Keyword: 冠状动脉粥样硬化性心脏病; 心率变异性; 心律失常;
Abstract: 目的 探讨冠心病患者心率变异性和心律失常的临床意义.方法 应用动态心电图对54例冠心病患者心率变异性及心律失常进行监测,并与34例健康老年人对照.结果 两组心率变异性(SDNN、SDANNIndex和RMSSD)和心律失常(房性早搏、房性心动过速和室性早搏)的发生率有显著差异(P<0.01),而且冠心病组中DCG显示伴有ST段改变组与不伴ST段改变组比较,心率变异性(SDNN、SDNNIndex、RMSSD和PNN50)和心律失常(房性早搏、房性心动过速和室性早搏)的发生率有差异(P<0.05).结论 冠心病患者自主神经功能受损,发生心律失常的几率明显增加,DCG中伴有ST段改变的患者更为明显,同时地说明心肌缺血越严重,心脏自主神经调节功能下降越明显,发生心律失常的危险性越大.
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