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2014-02-08-09 Congenitally corrected transposition of the great arteries © Cuillier www.TheFetus.net

Congenitally corrected transposition of the great arteries


Fabrice Cuillier, MD*; L. A. Arsac, MD**.

*  Department of Gynecology, Felix Guyon Hospital, Saint-Denis, Reunion, France;
** Pediatric CardioSonographer, Department of Neonatology, Felix Guyon Hospital, Reunion, France.


Case report

A 28-year-old-woman (G2P0), was referred to our unit at 23 weeks of gestation because of suspicion of a cardiac anomaly. Nuchal translucency and triple test were normal.

Our examination at 23 and 26 weeks of pregnancy revealed a corrected transposition of the great arteries of the fetus.

Karyotype of the fetus was normal (46, XY). The newborn was delivered at 38 weeks (3100 g) with normal postnatal adaptation. The diagnosis of the congenitally 
corrected transposition of the great arteries was confirmed. 

Images 1, 2: The images show transverse scans of the fetal heart with congenitally corrected transposition of the great arteries - morphological left ventricle is on the right side and morphological right ventricle is located on the left side. The heart is in mesocardia position. Flap of the foramen ovale (image 1) opens into the left atrium which is normally located on the left side and the left atrium communicated with the morphological right ventricle. Right atrium is also located normally on the right side and connects to the morphological left ventricle. 

 

Images 3, 4: The images show sagittal scans of the fetal heart with congenitally corrected transposition of the great arteries - parallel course of the aorta and pulmonary artery can be seen.

 

Videos 1-8 The series of videos showing transverse and sagittal sweeps through the fetal heart with congenitally corrected transposition of the great arteries - morphological left ventricle is on the right side and morphological right ventricle is located on the left side. Flap of the foramen ovale opens into the left atrium which is normally located on the left side and the left atrium communicated with the morphological right ventricle. Right atrium is also located normally on the right side and connects to the morphological left ventricle. Parallel course of the aorta and pulmonary artery can be seen - the aorta arises from the morphological right ventricle (located on the left); the pulmonary artery arises from the morphological left ventricle (located on the right).

 

 


 


 


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