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目的探讨冠状动脉心肌桥(心肌桥)的特征和心肌桥与缺血性心脏病(IHD)的关系。方法对747例接受冠脉造影的病例进行回顾性分析,共检出心肌桥22例。结果心肌桥检出率为2.94%;心肌桥最常出现在左前降支;心肌桥段冠状动脉收缩期狭窄是最主要征象:心肌桥近段冠状动脉粥样硬化检出率为54.4%;有心肌桥患者临床均表现出不同程度心绞痛和心肌梗死。结论冠状动脉收缩期狭窄是心肌桥最主要征象;冠状动脉心肌桥可导致缺血性心脏病。
Objective To investigate the characteristics of coronary myocardial bridge (myocardial bridge) and the relationship between myocardial bridge and ischemic heart disease (IHD). Methods A retrospective analysis of 747 cases undergoing coronary angiography was performed, and 22 cases of myocardial bridge were detected. Results Myocardial bridge detection rate was 2.94%; myocardial bridge most often appeared in the left anterior descending branch; myocardial bridge systolic stenosis is the most important sign: the proximal myocardial infarction coronary atherosclerosis detection rate was 54.4%; there Myocardial bridge patients have shown varying degrees of angina pectoris and myocardial infarction. Conclusions Coronary systolic stenosis is the most common sign of myocardial bridge. Coronary myocardial bridge may lead to ischemic heart disease.