Transposition of the great arteries

Case contributed by Dr Vincent Tatco

Presentation

Cyanosis since birth. Status-post thoracic surgery. CT scan was requested for preoperative evaluation.

Patient Data

Age: 5
Gender: Male
Modality: CT

CT demonstrates the right-sided aorta arising from the right ventricle and the main pulmonary artery arising from the left ventricle consistent with D loop transposition of the great arteries.  A ventricular septal defect is seen.  There is a surgically created connection between the left-sided brachiocephalic artery and left pulmonary artery.  Sternotomy wires are noted.

Case Discussion

This is a diagnosed case of D loop transposition of the great arteries.  Patient previously had pulmonary valve stenosis and underwent systemic-to-pulmonary artery shunting (modified Blalock-Thomas-Taussig shunt) and balloon angioplasty to improve the pulmonary artery circulation prior to contemplated arterial switch procedure.

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Case Information

rID: 41980
Case created: 30th Dec 2015
Last edited: 31st Dec 2015
Inclusion in quiz mode: Included

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