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目的:探讨西宁地区藏族急性心肌梗死(急性心梗)患者碎裂QRS波与近期预后的关系。方法:对143例确诊为“急性心梗”的藏族患者,根据是否出现碎裂QRS波分为两组,分别统计其发生近期死亡事件(RDI)、室性心律失常事件(VAI)、B型钠尿肽(BNP)、左室射血分数(LVEF)及左室舒张末期内径(LVDD)值,比较两组间差异。结果:碎裂QRS波发生率21.7%。两组间VAI、RDI、BNP、LVEF有显著差异;两组间LVDD无显著差异。结论:西宁地区藏族急性心梗患者碎裂QRS波发生率较低;常规12导联心电图上存在碎裂QRS波是急性心梗患者近期死亡和室性心律失常事件、左心功能受损的强有力指标。
Objective: To investigate the relationship between ruptured QRS wave and recent prognosis in Tibetan patients with acute myocardial infarction (AMI) in Xining area. Methods: A total of 143 Tibetan patients diagnosed as “acute myocardial infarction” were divided into two groups based on whether QRS wave fragmentation occurred or not. The recent deaths (RDI), ventricular arrhythmia (VAI) B-type natriuretic peptide (BNP), left ventricular ejection fraction (LVEF) and left ventricular end diastolic diameter (LVDD) values were compared between the two groups. Results: The incidence of fragmented QRS wave was 21.7%. VAI, RDI, BNP, LVEF between the two groups were significantly different; no significant difference between the two groups LVDD. Conclusion: The incidence of fragmented QRS wave is lower in Tibetan patients with acute myocardial infarction in Xining. The presence of fragmented QRS wave on 12-lead electrocardiogram is a serious event of recent death and ventricular arrhythmia in patients with acute myocardial infarction. index.