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冠心病患者心肌缺血总负荷与心率变异性时域指标相关性分析

CHINESE HEALTH CARE(2007)

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Abstract
目的:分析冠心病患者心肌缺血总负荷(TIB)与心率变异性(HRV)时域指标之间的内在关联性.方法:动态心电图监测106例患者逐一计算出24h心肌缺血总负荷TIB值,并与HRV时域指标SDNN、rMSSD进行对比分析.结果:TIB值愈大,SDNN、rMSSD下降愈明显,尤其是冠心病合并心肌梗死、高血压、糖尿病且年龄偏大,病程较长,基础心律较快,心律失常种类和数量多的患者.结论:提示冠心病患者随冠脉缺血程度的加重,心脏自主神经系统调控功能失衡愈明显,诱发心肌电生理功能紊乱,心律失常事件多,愈后差.
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