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目的 :探讨急性心肌梗死 (AMI)患者行冠脉造影为正常者的发生率 ,并分析其临床特点。方法 :回顾分析 394例 AMI患者冠状动脉 (冠脉 )造影结果及有关冠心病的易患因素。结果 :394例 AMI患者中冠脉造影正常者为 30例 ,占7.6%。冠脉造影正常者的 AMI患者以年龄较轻 ,多无心绞痛病史、高血压病史、糖尿病史及血脂紊乱 ,吸烟者居多及发病前有过度劳累史为特点。结论 :AMI冠脉造影正常者 ,提示冠脉痉挛在心肌梗死的发病中起着十分重要的作用 ,冠状动脉内急性血栓形成后发生血栓自溶亦是其病理改变之一
Objective: To investigate the incidence of coronary angiography in patients with acute myocardial infarction (AMI) and to analyze the clinical features. Methods: A retrospective analysis of 394 patients with AMI coronary artery (coronary) angiography and coronary heart disease risk factors. Results: Among 394 patients with AMI, 30 were normal coronary angiography, accounting for 7.6%. The AMI patients with normal coronary angiography were characterized by the younger age, the history of multiple angina pectoris, the history of hypertension, the history of diabetes and dyslipidemia, the majority of smokers and the history of over-exertion before onset. Conclusion: Coronary angiography is normal, suggesting that coronary spasm plays an important role in the pathogenesis of myocardial infarction. Thrombolysis after acute coronary thrombosis is also one of the pathological changes