Mitral valve re-repair with leaflet augmentation for mitral regurgitation in children: A retrospective study in a single center
- VernacularTitle:瓣叶加宽应用于小儿二尖瓣术后反流再次成形术的单中心回顾性研究
- Author:
Fengqun MAO
1
;
Kai MA
1
;
Kunjing PANG
1
;
Ye LIN
1
;
Benqing ZHANG
1
;
Lu RUI
1
;
Guanxi WANG
1
;
Yang YANG
1
;
Jianhui YUAN
1
;
Qiyu HE
1
;
Zheng DOU
1
;
Shoujun LI
1
Author Information
1. Pediatric Cardiac Surgery Center, Fuwai Hospital, Chinese Academy of Medical Sciences, Beijing, 100037, P. R. China
- Publication Type:Journal Article
- Keywords:
Mitral regurgitation;
mitral valvuloplasty;
reoperation;
leaflet augmentation
- From:
Chinese Journal of Clinical Thoracic and Cardiovascular Surgery
2025;32(07):958-962
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the efficacy of leaflet augmentation technique to repair the recurrent mitral valve (MV) regurgitation after mitral repair in children. Methods A retrospective analysis was conducted on the clinical data of children who underwent redo MV repair for recurrent regurgitation after initial MV repair, using a leaflet augmentation technique combined with a standardized repair strategy at Fuwai Hospital, Chinese Academy of Medical Sciences, from 2018 to 2022. The pathological features of the MV, key intraoperative procedures, and short- to mid-term follow-up outcomes were analyzed. Results A total of 24 patients (12 male, 12 female) were included, with a median age of 37.6 (range, 16.5–120.0) months. The mean interval from the initial surgery was (24.9±17.0) months. All children had severe mitral regurgitation preoperatively. The cardiopulmonary bypass time was (150.1±49.5) min, and the aortic cross-clamp time was (94.0±24.2) min. There were no early postoperative deaths. During a mean follow-up of (20.3±9.1) months, 3 (12.5%) patients developed moderate or severe mitral regurgitation (2 severe, 1 moderate). One (4.2%) patient died during follow-up, and one (4.2%) patient underwent a second MV reoperation. The left ventricular end-diastolic diameter was significantly reduced postoperatively compared to preoperatively [ (43.5±8.6) mm vs. (35.8±7.8)mm, P<0.001]. Conclusion The leaflet augmentation technique combined with a standardized repair strategy can achieve satisfactory short- to mid-term outcomes for the redo mitral repair after previous MV repair. It can be considered a safe and feasible technical option for cases with complex valvular lesions and severe pathological changes.
