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Published on: December 10, 2020
Long-term outcomes following mitral valve replacement in children at heart center Leipzig: a 20-year analysis
Katja Schumacher1, Mateo Marin-Cuartas1, Muhammed Ikbal Aydin1
1Department of Cardiac Surgery, Leipzig Heart Center, Leipzig University, Leipzig, Germany.
Insights
Mitral valve replacement in children with severe valve disease offers good long-term survival and freedom from reoperation when repair is not possible. This surgical option provides favorable outcomes for pediatric patients.
Area of Science:
- Pediatric Cardiac Surgery
- Cardiovascular Research
- Medical Device Outcomes
Background:
- Mitral valve repair is preferred for pediatric mitral valve disease.
- Severe dysplastic valves may necessitate mitral valve replacement.
- Long-term outcomes of pediatric mitral valve replacement are analyzed.
Purpose of the Study:
- To evaluate long-term outcomes of mitral valve replacement in children.
- To assess survival and reoperation rates after pediatric mitral valve replacement.
- To determine the efficacy of mitral valve replacement when repair is not feasible.
Main Methods:
- Retrospective analysis of prospectively collected data from 41 pediatric patients.
- Study period: February 2001 to February 2021.
- Primary outcomes: in-hospital mortality, long-term survival, freedom from reoperation.
Main Results:
- Low in-hospital mortality (4.9%) and early re-exploration rates.
- Median follow-up of 11 years.
- 15-year survival was 80.8%; 15-year freedom from reoperation was 42.5%.
Conclusions:
- Mitral valve replacement is a viable surgical alternative for pediatric mitral valve disease when repair is not feasible.
- The procedure demonstrates good early and long-term outcomes.
- Offers a beneficial option for children requiring valve replacement.
Background:
Although mitral valve repair is the preferred surgical strategy in children with mitral valve disease, there are cases of irreparable severe dysplastic valves that require mitral valve replacement. The aim of this study is to analyze long-term outcomes following mitral valve replacement in children in a tertiary referral center.
Methods:
A total of 41 consecutive patients underwent mitral valve replacement between February 2001 and February 2021. The study data was prospectively collected and retrospectively analyzed. Primary outcomes were in-hospital mortality, long-term survival, and long-term freedom from reoperation.
Results:
Median age at operation was 23 months (IQR 5-93), median weight was 11.3 kg (IQR 4.8-19.4 kg). One (2.4%) patient died within the first 30 postoperative days. In-hospital mortality was 4.9%. Four (9.8%) patients required re-exploration for bleeding, and 2 (4.9%) patients needed extracorporeal life support. Median follow-up was 11 years (IQR 11 months - 16 years). Long-term freedom from re-operation after 1, 5, 10 and 15 years was 97.1%, 93.7%, 61.8% and 42.5%, respectively. Long-term survival after 1, 5, 10 and 15 years was 89.9%, 87%, 87% and 80.8%, respectively.
Conclusion:
If MV repair is not feasible, MV replacement offers a good surgical alternative for pediatric patients with MV disease. It provides good early- and long-term outcomes.
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