Thoracotomy – ABC CARDIOL

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Results of simplified single-patch repair for complete atrioventricular septal defect

Ana Paula Tagliari et al. Daniel Augusto Schröder Guaracy Teixeira Filho Paulo Roberto Prates … João Ricardo M. Sant'Anna Ivo A. Nesralla Renato A. K. Kalil

BACKGROUND: Since Wilcox’s description of the simplified single-patch technique for atrioventricular septal defect (AVSD) repair in 1997, several studies have compared that technique with the two-patch technique. OBJECTIVE: To report the mid- and long-term results of the simplified single-patch technique for complete AVSD repair. METHODS: Retrospective study of 16 consecutive cases between January 2001 and December 2011. The patients’ mean age was 18.31 ± 34.19 months (2 months – 11 years), and their mean weight, 7.80 ± 6.12 kg (3.77 – 25.0 kg). Six patients were males and 14 had Down syndrome. Mean follow-up duration was 54.97 ± 47.79 months. RESULTS: Mean cardiopulmonary bypass time was 74.63 ± 18.48 min (49 – 112 min), and mean aortic cross-clamp time, 46.44 ± 11.89 min (34 – 67 min). Two patients died during hospitalization (12.5%), both of cardiovascular causes. Three patients underwent reoperation due to left atrioventricular (AV) valve regurgitation, and two had third-degree VA block, requiring permanent pacemaker implantation. No patient had left ventricular outflow tract obstruction. The 14 surviving patients remain asymptomatic, ten of whom with mild left VA valve regurgitation (71.42%). CONCLUSION: The simplified single-patch technique for complete AVSD repair proved to be feasible, providing adequate correction of the defects and favorable clinical and echocardiographic outcome in the mean 57.97-month follow-up.

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Quadricuspid Aortic Valve Replaced via Minithoracotomy: A Short Case Report

Results of simplified single-patch repair for complete atrioventricular septal defect

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Electronic Document Format (ISO)