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目的探讨PCI治疗对AMI患者HRT的影响及临床意义。方法选择60例AMI患者,按PCI治疗及药物治疗分为2组,PCI治疗组40例(直接PCI治疗组与延迟PCI治疗组各20例),药物治疗组20例;分别计算各组震荡初始(TO)、震荡斜率(TS)进行对比分析。再观察单分支病变23例及多分支病变17例HRT指标的区别。结果 PCI治疗组与药物治疗组心率震荡差异有统计学意义。直接PCI治疗组与延迟PCI治疗组心率震荡差异有统计学意义。AMI多支病变组TO高于单支病变组,而TS明显低于单分支病变组。结论 PCI治疗对AMI患者HRT各参数改善均优于药物治疗。直接PCI治疗比延迟PCI治疗HRT明显改善,说明越早开通梗死相关动脉心功能改善越明显。AMI多支病变组较单支病变组HRT现象明显减弱,预示急性心肌梗死时多分支病变比单支病变猝死的危险性增加。
Objective To investigate the effect and clinical significance of PCI on HRT in AMI patients. Methods Sixty AMI patients were selected and divided into two groups according to PCI and drug therapy: 40 patients in PCI group (20 in each of PCI group and delayed PCI group) and 20 patients in drug treatment group. The initial shocks of each group were calculated (TO), the oscillation slope (TS) for comparative analysis. Then observe the difference of HRT index in 23 cases of single branch disease and 17 cases of multi-branch disease. Results There was significant difference in heart rate turbulence between PCI group and drug treatment group. There was significant difference in heart rate turbulence between direct PCI group and delayed PCI group. The TOI in multi-vessel disease group was higher than that in single vessel group, while TS was significantly lower than that in single vessel group. Conclusion The improvement of HRT parameters in AMI patients is better than that of drug treatment in PCI patients. Direct PCI treatment of HRT than delayed PCI was significantly improved, indicating that the sooner the heart function of the infarct-related artery opened to improve the more obvious. AMI multivessel disease group than the single-branch group significantly reduced the HRT phenomenon, indicating multi-branch disease in acute myocardial infarction than single-vessel disease risk of sudden death increased.