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目的探讨冠状动脉心肌桥的冠脉造影特点、临床意义及治疗方法。方法回顾性分析我院231例冠状动脉造影中检出的6例冠脉心肌桥患者的临床资料。结果检出心肌桥6例,均位于前降支,心肌桥发生率为2.6%,心肌桥长度8～19mm,平均(13.5±4.0)mm。依据Nobel分级法,I级3例,II级2例,III级1例。6例患者应用β受体阻滞剂或钙离子拮抗剂治疗后症状均明显缓解。结论选择性冠状动脉造影可用于心肌桥的诊断,心肌桥引起心肌缺血表现,应用β受体阻滞剂或钙离子拮抗剂药物治疗有效。
Objective To investigate the characteristics, clinical significance and treatment of coronary artery myocardial bridge. Methods Retrospective analysis of 231 cases of coronary angiography in our hospital were detected in 6 patients with coronary myocardial bridge clinical data. Results Myocardial bridge was detected in 6 cases, all located in the anterior descending branch, the incidence of myocardial bridge was 2.6%, myocardial bridge length of 8 ~ 19mm, an average of (13.5 ± 4.0) mm. According to Nobel classification, there were 3 cases of grade I, 2 cases of grade II and 1 case of grade III. Six patients with β-blockers or calcium antagonists after treatment were significantly relieved symptoms. Conclusions Selective coronary angiography can be used in the diagnosis of myocardial bridge, myocardial bridge myocardial ischemia caused by performance, the application of β-blockers or calcium antagonist drug treatment is effective.