胎儿完全性大动脉转位产前超声诊断

  目的  探讨超声对胎儿完全性大动脉转位的诊断价值。  方法  回顾性分析2010年3月至2013年7月北京协和医院4例胎儿完全性大动脉转位的产前超声表现, 并与病理结果进行比较。  结果  4例完全性大动脉转位胎儿中, 3例四腔心切面正常, 1例可见室间隔缺损。左室及右室流出道切面4例胎儿可见心室与大动脉连接关系异常, 2例可见室间隔膜部缺损。三血管气管切面4例均仅可见2条血管。  结论  完全性大动脉转位具有特征性超声表现, 重点观察心室流出道切面及三血管气管切面有助于产前正确诊断。

Application of Ultrasound in the Prenatal Diagnosis of Fetal Transposition of the Great Arteries

  Objective  To investigate the diagnositic value of ultrasonography in fetuses with transposition of the great arteries.  Methods  In a retrospective analysis, the sonographic findings of 4 fetuses with transposition of the great arteries who were treated in Peking Union Medical College Hospital from March 2010 to July 2013 were reviewed and compared with the pathological findings.  Results  Of these 4 fetuses with transposition of the great arteries, a normal four-chamber view was seen in 3 cases and ventricular septal defect in 1 case. At the level of left and right ventricular outflow tract, abnormal ventricular-arterial connection was detected. At the level of 3 vessel and tracheal view, two vessels rather than three were seen in all cases.  Conclusions  Fetal transposition of the great arteries has specific echocardiographic findings. The left and right outflow tract view and the three vessel and tracheal view are helpful in the accurate diagnosis.