Abstract

Interrupted aortic arch (IAA) is an uncommon congenital anomaly representing approximately 1% of congenital heart diseae. More than 97% of the cases also have associated cardiac anomalies complicating their treatment. Because the median age at death in untreated cases is 10 days, this condition usually occurs as a complicated neonatal surgical emergency. There are three types of IAA: Type A is interrupted distal to the left subclavian artery. Type B, which is the most common form, is interrupted between the left common carotic and the left subclavian arteries. Type C, which is the most uncommon type, is interrupted between the innominate and left common carotid arteries. Since the first patient with this congenital anomaly was treated at our institution in 1965, 39 patients have undergone surgical treatment. Two of these (4.6%) had no associated intracardiac lesions, and both survived bypass grafting without complications. There were 12 Type A (30%), 26 Type B (67%) and one Type C (3%). A variety of individualized techniques were used to repair the defects. The three basic techniques were (1) direct aortic to aortic anastomosis bridging the gap, (2) 'turndown' or 'turnup' of one of the arch vessels to the aorta across the gap, or (3) bypass of the interruption with graft material. Because aortic arch and associated cardiac anomalies represent a neonatal surgical emergency, our therapeutic plan consists of treatment for biventricular failure and PGE1 infusion to maintain ductal patency, and surgical correction as soon as feasible.

Original languageEnglish (US)
Pages (from-to)250-259
Number of pages10
JournalTexas Heart Institute Journal
Volume11
Issue number3
StatePublished - Jan 1 1984

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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