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  • Title: Biventricular repair of conotruncal anomalies associated with aortic arch obstruction: 103 patients.
    Author: Lacour-Gayet F, Serraf A, Galletti L, Bruniaux J, Belli E, Piot D, Touchot A, Petit J, Houyel L, Planché C.
    Journal: Circulation; 1997 Nov 04; 96(9 Suppl):II-328-34. PubMed ID: 9386119.
    Abstract:
    BACKGROUND: Biventricular repair of conotruncal anomalies associated with aortic arch obstruction is a complex surgical procedure that combines a cardiac repair and a aortic arch reconstruction. METHODS AND RESULTS: From January 1984 to April 1996, such a repair was performed in 103 patients. The conotruncal anomalies included: 15 transpositions of the great arteries (TGAs) with intact ventricular septum, 44 TGAs with ventricular septal defect, 32 double outlet right ventricle with subpulmonary ventricular septal defect, 10 truncus arteriosus, one double outlet left ventricle, and one tetralogy of Fallot. The arch obstruction included 88 coarctation and 15 interrupted aortic arch. One-stage repair has been the favored technique since 1990 and was performed in 58 neonates, including 38 TGAs or double outlet right ventricle and ventricular septal defect, 10 TGAs with intact ventricular septum, and all of the 10 truncus arteriosus. The cardiac repair included 89 arterial switch operations, 2 Kawashima rerouting, 10 truncus arteriosus repairs, and one double-outlet left ventricle repair and one tetralogy of Fallot repair. The aortic arch was reconstructed by direct anastomosis in 85 patients, with a Gore-Tex conduit in three patients and more recently by an ascending aortic patch augmentation in 15 patients. The hospital mortality was 12% (7 of 58) for the one-stage repair and 20% (9 of 45) for the two-stage repair. There were six late deaths. Reoperations or angioplasties were mandatory for 12 right ventricle outflow tract obstructions after arterial switch, involving 10 patients with double outlet right ventricle (P=.02), 10 recurrent arch obstruction, and six miscellaneous lesions. CONCLUSIONS: One-stage biventricular repair of conotruncal anomalies associated with aortic arch obstruction can be achieved in selected patients with an 83% survival rate at 7 years.
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