心肌梗塞患者时域法24h和1h心率变异分析及意义

目的了解心肌梗塞（MI）后心变异（HRV）规律及与恶性心律失常的关系。方法采用动态心电图（AECG）时域分析方法对急性心肌梗塞（AMI）、阵旧性心肌梗塞（OMI）进行观察并与正常人对照。结果AMI患者多项HRV时域指标显著减低，OMI患者HRV减低程度减轻，发生恶性心律失常者与未发生严重心律失常者比较，HRV明显减低。结论MI后心律失常的发生与HHV减低密切相关，MI后检测HRV具有预后预测价值。

Analysis of 24h and 1h heart rate variability by the domain measure method in patients with myocardial infarction

Objective To understand the change of heart rate variabi1ity (HRV) after myocardial infarchon ali3 the relation between the decreasing of HRV and the malignant arrhythmia.Method The HRV of the patients with acute myocardial infarction (AMI) and old myocardial infarction (OMI) were analysed with the ambulatory electrocardiogram domain measure and the result was campared with that of the normal controls.Result All the measurementS from group AMI were significant1y lower comPared to normal controls. Most of subjects from group OMI obvi-ously improved, but were still lower than that normal persons.The HRV of the patients who hav-ing malignant arrhythmin were smal1er comparing the patients who not having fnalignamt arrhythmia in group OMI.Conclusion occurance of POstmyocardialinfarction arrhythmia correlates to the decreasing of HRV. HRV analysis have prognostic value for patient's condition.