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目的:观察急诊与限期经皮冠状动脉介入治疗(PCI)对急性心肌梗死(AMI)患者心率变异性(HRV)及心功能的影响。方法:选取我院收治的急性ST段抬高型心肌梗死患者66例,分为急诊PCI组和限期PCI组;观察两组患者病后3周和病后6个月的心率变异性及心功能变化情况。结果 :急诊PCI组患者病后3周和病后6个月的HRV时域指标及LVEF之间的差异无统计学意义(P>0.05);限期PCI组患者病后6个月的HRV时域指标及LVEF显著高于病后3周(P<0.05);急诊PCI组病后3周和病后6个月的HRV时域指标及LVEF均显著高于同时期限期PCI组患者(P<0.05)。结论 :急性和限期PCI都可以提高AMI患者的心率变异性和心功能指标,且急诊PCI的改善效果优于限期PCI。
Objective: To observe the effects of acute and limited percutaneous coronary intervention (PCI) on heart rate variability (HRV) and cardiac function in patients with acute myocardial infarction (AMI). Methods: Sixty-six patients with acute ST-segment elevation myocardial infarction admitted to our hospital were divided into emergency PCI group and PCI group. Heart rate variability and cardiac function were observed after 3 weeks and 6 months after illness Changes. Results: There was no significant difference in HRV time-domain index and LVEF between the 3-week and 6-month post-disease patients in the PCI group (P> 0.05). The HRV time-domain (P <0.05). The HRV time-domain index and LVEF in patients with PCI at 3 weeks and 6 months after PCI were significantly higher than those in patients with PCI at the same period (P <0.05) ). Conclusion: Both acute and definite PCI can improve heart rate variability and cardiac function in patients with AMI, and the improvement of emergency PCI is better than that of definite period PCI.