Abstract
INTRODUCTION: Double aortic arch (DAA) is the most common clinically recognized form of vascular ring, in which the trachea and esophagus are encircled by the aortic arch and its branches. The overall incidence is unknown. Half to two-thirds of patients undergoing vascular ring repair have a DAA; of these 42% have respiratory symptoms, one third have dysphagia and one third are asymptomatic. Surgical division of the arch (usually on the left) is associated with prompt relief of symptoms.
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