产前超声心动图诊断左肺动脉异常起源伴主动脉弓离断1例

Chinese Journal of Medical Imaging Technology(2019)

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Abstract
孕妇27岁,孕2产1,孕24周来我院接受产前超声心动图检查,孕期无不良接触史及药物服用史,夫妻双方无家族遗传病史.超声心动图:胎儿心脏大小、位置及连接关系未见异常,主肺动脉未见分叉,仅延续为右肺动脉,左肺动脉由升主动脉发出(图1A);大动脉比例异常,主动脉内径明显小于肺动脉内径;升主动脉发育不良且僵直,最细处约2.9 mm,向上发出2个分支后离断,离断长度约2.9 mm,左侧锁骨下动脉由离断后的降主动脉发出(图1B);室间隔上部回声连续性中断,中断长度约3.2 mm.
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