目的:探讨冠状动脉起源于对侧乏氏窦(Anomalous aortic origin of coronaries from the contralateral sinus,AAOCA)且冠状动脉走行异常的超声表现,改良超声心动图检查切面,提高检出率。方法:回顾我院2例动脉干间走行AAOCA患者超声心动...目的:探讨冠状动脉起源于对侧乏氏窦(Anomalous aortic origin of coronaries from the contralateral sinus,AAOCA)且冠状动脉走行异常的超声表现,改良超声心动图检查切面,提高检出率。方法:回顾我院2例动脉干间走行AAOCA患者超声心动图表现,并查阅相关文献,总结AAOCA患者的超声心动图漏误诊经验。结果:1.病例一左侧乏氏窦(left Valsava sinus,LVS)未探及左冠状动脉(left coronary artery,LCA)开口,LCA起源于右侧乏氏窦(right Valsava sinus,RVS),并LCA主干立即成角移行走行于主动脉与肺动脉主干之间;彩色多普勒可观察到LCA主干干间走行段血流信号经多排螺旋CT证实。2.病例二为RVS未探及确切冠状动脉开口,右侧冠状动脉(right coronary artery,RCA)异常起源于LVS,并RCA主干立即成角移行走行于主动脉与肺动脉主干之间;彩色多普勒可观察到RCA干间走行段血流信号。结论:一侧冠状动脉异常起源对侧冠状窦超声心动图检查容易漏诊,改良超声心动图检查切面可提高检出率,有利于降低患者心源性猝死风险。展开更多