Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
This is the most common malformation of the aortic arch resulting in a complete vascular ring around the trachea and esophagus.
Two types exist:
The most common type of right aortic arch is right aortic arch with an aberrant left subclavian artery and it is 2-3 times more common than right arch with mirror image branching of the brachiocephalic vessels. Right arch and aberrant left subclavian artery has a 5-12% incidence of associated congenital heart disease while right arch with mirror branching of the brachiocephalic vessels has a 98% incidence of associated congenital heart disease.
The chest film shows a right sided aortic arch. The esophagram shows a posterior indentation on the esophagus.
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