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  • Title: Transposition of the great arteries with aortic arch obstruction. Anatomical review and report of surgical management.
    Author: Pigott JD, Chin AJ, Weinberg PM, Wagner HR, Norwood WI.
    Journal: J Thorac Cardiovasc Surg; 1987 Jul; 94(1):82-6. PubMed ID: 3600012.
    Abstract:
    Transposition of the great arteries (S,D,D) is a common congenital cardiovascular malformation that is occasionally associated with ventricular septal defect and left ventricular outflow tract obstruction. Recently right ventricular outflow tract obstruction associated with an aortic arch anomaly has been recognized as an infrequent but important variant of transposition of the great arteries, and this constellation presents a unique surgical challenge. Five infants with this constellation whose systemic circulation was dependent on flow through the ductus arteriosus have undergone definitive surgical treatment with four survivors. An anatomical review of 129 specimens with transposition of the great arteries revealed that 17% had right ventricular outflow tract obstruction and 7% had associated aortic arch obstruction as well. All specimens with aortic arch obstruction and ventricular septal defect except one had a malalignment type ventricular septal defect. Although several treatment options may be considered, recent experience with arterial switch repair in the neonate with transposition of the great arteries (S,D,D) prompted repair in these patients by arterial switch, ventricular septal defect closure, repair of aortic arch obstruction, and augmentation of the right ventricular outflow tract.
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