摘要
目的探讨冠状动脉造影时心肌桥的检出率及其临床意义。方法2655例接受冠状动脉造影的患者,根据造影显示冠状动脉管腔收缩期狭窄程度判定心肌桥,并根据收缩期狭窄程度分为3级。结果共检出69例心肌桥,检出率2.6%,部位均位于左前降支。其中1级狭窄59例(85.5%),2级狭窄9例(13.0%),3级狭窄1例(1.4%)。21例(30.4%)在心肌桥近端有粥样硬化病变,28例(40.6%)有不同程度的心绞痛。1例95%收缩期狭窄病例置入冠脉内支架,其他病例经药物治疗,临床症状消失。结论冠状动脉造影时收缩期狭窄是临床判定心肌桥的唯一依据。心肌桥可导致缺血性心脏事件,对于有缺血症状者应予适当治疗。
Objective To study the rate of coronary artery myocardial bridge in coronary angiography and its clinical characteristics. Mithods Selective coronary angiography were perfomed on 2655 patiets. Myocardial bridges were detected only when the systolic narrowing occurred. Results Angiographic evidence of myocardial bridges over left anterior descending was 69 of 2655 patients. The rate of myocardial bridges was 2.6%. In which 1 grade systolic nsrrowing was 59 patients(85.5%). 2 grade systolic narrowing was 9 patients(13.0%). 3 grade systolic narrowing was 1 patients(1.5%). 21 patients(30.4%) had atherosclerosis in the proximal coronary arteries to myocardialbridges. 28 patients(40.6%) had symptoms of angina. Stent was successfully performed in 1 patient with 95% systolic narrowing. Conclusion Systolic narrowing is the important evidences of myocardial bridge in coronary angiography. Myocardial bridge can result in ischemic cases of heart. Some treatments is necessary in ischemic case.
出处
《中国心血管病研究》
CAS
2005年第2期136-137,共2页
Chinese Journal of Cardiovascular Research
关键词
冠状动脉造影
心肌桥
冠状动脉
coronary angiography
myocardial bridge
coronary artery
