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目的与方法:本文运用心率变异性(HRV)分析在急性心肌梗塞(AMI)患者存在明显植物神经调节失衡,表现交感神经功能亢进,迷走神经功能受损,在一年追踪观察中发现心肌梗塞患者的时域成份及高频成份逐渐降低;结果与结论:提示植物神经调节逐渐恢复平衡,而急性期合并并发症患者,HRV普遍降低,且很难恢复。HRV作为一种反映自主神经张力变化的测量方法,对判断心肌梗塞的预后有一定意义
PURPOSE AND METHODS: In this study, HRV analysis showed significant imbalance of autonomic regulation in patients with acute myocardial infarction (AMI), showing sympathetic hyperactivity and impaired vagal function. In a year of follow-up, patients with myocardial infarction Time domain components and high-frequency components gradually decreased; Results and Conclusion: It suggests that the autonomic regulation gradually regains balance. However, in patients with acute complications, the HRV generally decreases and it is difficult to recover. HRV as a measurement of autonomic nerve tone changes in the measurement of myocardial infarction to determine the prognosis of a certain significance