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We report a surgical strategy for repairing an interrupted aortic arch (IAA) with truncus arteriosus (TA) by using a reverse subclavian flap and an aorto-pulmonary (A-P) window technique for preserving the pulmonary artery architecture. A 10-day-old neonate with type B IAA and type I TA with echocardiographic evidence of a significant distance between the ascending and descending aorta underwent surgical repair at the Bristol Royal Hospital for Children. The superior part of the arch was reconstructed using a reverse subclavian flap and the undersurface with a pulmonary homograft patch. The ascending aorta was separated from the pulmonary arteries using a Gore-Tex patch (A-P window type of repair) without disconnecting the branch pulmonary arteries, in order to preserve their architecture. The continuity between the right ventricle and the pulmonary artery bifurcation was established using a 12 mm Contegra conduit. The postoperative course was uneventful, and the neonate was discharged after 12 days. At follow-up, the patient remains well, gaining weight, with no echocardiographic evidences of obstruction. Reverse subclavian flap with homograft patch combined with and 'A-P window' technique for preservation of the pulmonary artery architecture is a useful and effective surgical strategy for neonates presenting with IAA associated with TA.

Reverse subclavian flap and aorto-pulmonary window technique for repair of interrupted aortic arch and truncus arteriosus