Key result
CTA identifies isolated right subclavian artery with left aortic arch in complex congenital heart disease.
CT angiography identified a rare association of an isolated right subclavian artery in a child with complex congenital heart disease.
Review of CT angiography (CTA) images from a 6-year-old male cyanotic child with an echocardiographic diagnosis of transposition of great arteries, atrioventricular septal defect (AVSD) and pulmonary stenosis, showed left sided aortic arch with complete isolation of right subclavian artery (RSCA).
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Shaw et al. (2019) studied this question. CT angiography revealed complete isolation of the right subclavian artery and a left-sided aortic arch in a child with an atrioventricular septal defect and transposition of great arteries.
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