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冠状动脉心肌桥发生率及临床意义

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摘要 目的:探讨冠状动脉造影的患者中心肌桥的发生率及其临床意义。方法:行冠状动脉造影术检查患者415例。结果:检出心肌桥24例,发生率5.78%,左前降支心肌桥23例回旋支心肌桥1例。收缩期狭窄程度>75%12例,均有心绞痛症状,动态心电图提示有ST段移位、T波改变等心肌缺血表现;收缩期狭窄程度50%~75%5例,收缩期狭窄程度<50%7例。结论:冠状动脉造影中的心肌桥现象并非罕见。心肌桥的存在可引起心肌缺血及相应的心电图缺血改变,严重的心肌桥可引起肌桥近端冠脉狭窄甚至心肌梗死。
出处 《中国社区医师(医学专业)》 2012年第13期253-253,共1页
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