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目的对66例冠心病患者的动态心电图进行分析,探讨心率变异性(HRV)的临床意义。方法对66例冠心病患者进行动态心电图检查,检测其心律失常,心肌缺血的发生率和心率变异性,并与66例非冠心患者对比。结果冠心病组心律失常和心肌缺血的发生率明显高于非冠心病组,冠心病组心率变异性指标SDNN低于非冠心病组,冠心病组中有室性心律失常的患者SDNN较低。结论冠心病患者心脏自主神经功能紊乱,可能诱发恶性心律失常。
Objective To analyze the dynamic electrocardiogram of 66 patients with coronary heart disease (CHD) and discuss the clinical significance of heart rate variability (HRV). Methods Sixty-six patients with coronary heart disease were examined by dynamic electrocardiogram. The incidence of arrhythmia, myocardial ischemia and heart rate variability were measured and compared with 66 non-coronary heart patients. Results The incidence of arrhythmia and myocardial ischemia in CHD group was significantly higher than that in non-CHD group. The heart rate variability index SDNN in CHD group was lower than that in non-CHD group. The ventricular arrhythmia in CHD group was lower than SDNN group . Conclusion Coronary heart disease autonomic dysfunction, may induce malignant arrhythmia.