Atresia of the Aortic Arch: Repair by Single-stage Extra-anatomic Ascending-to-descending Aortic Bypass Graft Surgery

Atresia of the aortic arch is a rare condition among adults. It must be anatomically differentiated from an interrupted aortic arch (IAA), which is characterized by a complete lack of anatomic continuity between the transverse aortic arch or isthmus and the descending thoracic aorta (1-5). In atresia of the aortic arch, continuity between the segments is achieved by an imperforate, fibrous cord of variable length, although the hemodynamic and physiological effects may be identical in both entities (1-3). In this case report, the authors describe the history of a 45-year-old man with symptomatic heart failure secondary to atresia of the aortic arch and associated coronary artery disease.

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