Surgical Outcome of Reoperation Due to Left Atrioventricular Valve Regurgitation After Previous Correction of Complete Atrioventricular Septal Defect
- 14 November 2013
- journal article
- Published by Hindawi Limited in Journal of Cardiac Surgery
- Vol. 28 (6), 756-763
- https://doi.org/10.1111/jocs.12231
Abstract
The aims of this study were to evaluate the early and late outcomes in patients undergoing reoperation due to left atrioventricular valve regurgitation (LAVVR) after initial complete repair (ICR) of complete atrioventricular septal defect (CAVSD). Between January 1990 and April 2013, 45 consecutive patients underwent reoperation due to severe LAVVR. The mean age was 7.5 ± 6.2 years. Associated LAVV malformations were found in 22 (49%) patients and associated cardiac malformations in 18 (40%). The mean follow-up was 6.8 ± 2.6 years. LAVV repair was possible in all patients. There were two hospital deaths (4.5%). Ten patients (22%) required a second reoperation due to severe LAVVR at mean 7.5 ± 8.4 months after the first reoperation. The actuarial overall survival and free-reoperation survival rates at one, three, and five years were 95.4%, 92.8%, and 92.8% and 89%, 80.5%, and 72%, respectively. Multivariate analysis revealed that the associated cardiac malformations, LAVV leaflet prolapse or detachment from the septal patch, associated LAVV malformations, and post-first correction LAVVR grade ≥ 2 were strong predictors for poor overall free-reoperation survival in patients undergoing reoperation due to LAVVR after ICR of various forms of ACVSD. Patients with severe LAVVR post-ICR of CAVSD may undergo reoperation with acceptable postoperative mortality and morbidity; however, they are at an increased risk for developing postoperative LAVVR and subsequent reoperation.Keywords
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