伴心律失常症状心肌桥患者的冠状动脉计算机断层摄影术造影特点
发布时间：2018-10-13 17:34
【摘要】：目的:探讨伴心律失常症状心肌桥患者的冠状动脉计算机断层摄影术(CTA)影像学特征。方法:收集表现有心律失常的心肌桥患者(有心律失常组)31例的临床及影像学资料,包括病历记录、心电图、心肌酶、超声心动图和CTA资料。重点研究其CTA影像学表现。另选取30例无心律失常单纯心肌桥患者(无心律失常组)作为对照。结果:有心律失常组31例患者均只表现为单纯心肌桥,排除了冠心病、瓣膜结构性心脏病及其它系统性疾病的病因。31例患者中心室颤动2例,心房颤动1例,室上性心动过速5例,室性心动过速23例。31例患者中17例为深埋型,14例为浅表型。与无心律失常组比较,有心律失常组回顾性心电门控心肌收缩末期直径和心肌舒张末期直径、CTA上其壁冠状动脉横断面管腔变窄率差异均无统计学意义(P0.05)。结论:有心律失常心肌桥患者CTA表现无明显特点,CTA上显示的心肌桥病理解剖特点只是可用来解释部分心肌显著缺血引起的临床症状,不能完全解释心肌桥患者的心律失常。
[Abstract]:Objective: to investigate the (CTA) imaging features of coronary artery computed tomography (CT) in patients with cardiac bridge with arrhythmia symptoms. Methods: the clinical and imaging data of 31 patients with cardiac bridge with arrhythmia were collected, including medical records, electrocardiogram, myocardial enzymes, echocardiography and CTA data. The CTA imaging findings were studied emphatically. Another 30 patients with no arrhythmia and simple myocardial bridge (no arrhythmia group) were selected as control group. Results: all the 31 patients with arrhythmia showed myocardial bridge, excluding the causes of coronary heart disease, valvular structural heart disease and other systemic diseases, including 2 cases of ventricular fibrillation and 1 case of atrial fibrillation. There were 5 cases of supraventricular tachycardia and 23 cases of ventricular tachycardia. Compared with the non-arrhythmic group, there was no significant difference in the diameter of end-systolic and end-diastolic myocardium and the narrowing rate of cross-sectional lumen of coronary artery on CTA in the patients with arrhythmia (P0.05). Conclusion: there is no obvious characteristic of CTA in patients with arrhythmia myocardial bridge. The pathological and anatomical features of myocardial bridge displayed on CTA can only be used to explain the clinical symptoms caused by significant myocardial ischemia, but can not completely explain the arrhythmia in patients with myocardial bridge.
【作者单位】： 上海市浦东新区周浦医院放射科;上海市浦东新区周浦医院心内科;
【基金】：2015年度上海市浦东新区领先人才培养计划项目资助项目(PRWI 2015-01)
【分类号】：R541.1;R816.2
[Abstract]:Objective: to investigate the (CTA) imaging features of coronary artery computed tomography (CT) in patients with cardiac bridge with arrhythmia symptoms. Methods: the clinical and imaging data of 31 patients with cardiac bridge with arrhythmia were collected, including medical records, electrocardiogram, myocardial enzymes, echocardiography and CTA data. The CTA imaging findings were studied emphatically. Another 30 patients with no arrhythmia and simple myocardial bridge (no arrhythmia group) were selected as control group. Results: all the 31 patients with arrhythmia showed myocardial bridge, excluding the causes of coronary heart disease, valvular structural heart disease and other systemic diseases, including 2 cases of ventricular fibrillation and 1 case of atrial fibrillation. There were 5 cases of supraventricular tachycardia and 23 cases of ventricular tachycardia. Compared with the non-arrhythmic group, there was no significant difference in the diameter of end-systolic and end-diastolic myocardium and the narrowing rate of cross-sectional lumen of coronary artery on CTA in the patients with arrhythmia (P0.05). Conclusion: there is no obvious characteristic of CTA in patients with arrhythmia myocardial bridge. The pathological and anatomical features of myocardial bridge displayed on CTA can only be used to explain the clinical symptoms caused by significant myocardial ischemia, but can not completely explain the arrhythmia in patients with myocardial bridge.
【作者单位】： 上海市浦东新区周浦医院放射科;上海市浦东新区周浦医院心内科;
【基金】：2015年度上海市浦东新区领先人才培养计划项目资助项目(PRWI 2015-01)
【分类号】：R541.1;R816.2
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