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  • Title: Repair of complete atrioventricular septal defect with tetralogy of Fallot.
    Author: Ilbawi M, Cua C, DeLeon S, Muster A, Paul M, Cutilletta A, Arcilla R, Idriss F.
    Journal: Ann Thorac Surg; 1990 Sep; 50(3):407-12. PubMed ID: 2400260.
    Abstract:
    Repair of complete atrioventricular canal with tetralogy of Fallot was performed in 9 patients. Ventricular septal defect was closed through the right atrium using a single polytetrafluoroethylene patch with ample anterior extension to avoid subaortic obstruction. The atrial septal defect was closed with a separate patch. Undivided atrioventricular valve leaflets were sandwiched between the two patches. Right ventricular outflow tract stenosis was relieved by pulmonary valvotomy and an infundibular patch in 7, a supravalvar patch (none transannular) in 6, and right ventricle-to-pulmonary artery conduit in 2. There was one hospital death (1/9, 11%) in a patient with persistent clinically significant postoperative pulmonary stenosis and low cardiac output requiring reoperation and right ventricle-to-pulmonary artery conduit insertion. There was no late mortality. All patients are asymptomatic 0.3 to 5.6 years after operation. Follow-up right ventricular outflow tract gradient ranged from 11 to 43 mm Hg and was 70 mm Hg in 1 patient who later had successful relief of obstruction. Three patients had mitral valve insufficiency; 1 needed reoperation. Aggressive relief of right ventricular outflow tract stenosis with maintenance of pulmonary valve competence and use of two separate patches for closure of the septal defects contribute to optimum immediate and long-term results after repair of this lesion.
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