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Isolated right ventricular unloading for postcardiotomy right ventricular failure in a child
Y I Kim1, P Ferdinande, W Flameng
1Department of Cardiac Surgery, Katholieke Universiteit Leuven, University Hospital Gasthuisberg, Belgium.
Summary
Severe right ventricular failure in a child with double outlet RV and pulmonary atresia was reversed using extracorporeal mechanical RV unloading. The child recovered after RV assist device support, showing promise for pediatric RVAD applications.
Area of Science:
- Pediatric Cardiology
- Cardiovascular Surgery
- Mechanical Circulatory Support
Background:
- Double outlet right ventricle (DORV) with pulmonary atresia is a complex congenital heart defect.
- Post-operative right ventricular (RV) failure can be a critical complication following surgical correction.
- Effective management strategies for severe RV failure in pediatric patients are crucial.
Observation:
- A 2.5-year-old child experienced severe RV failure after total correction of DORV with pulmonary atresia.
- Extracorporeal mechanical RV unloading was initiated to support the failing right ventricle.
- A centrifugal RV assist device (RVAD) was employed for circulatory support.
Findings:
- Complete reversal of severe RV failure was achieved with isolated RV unloading.
- The patient was successfully weaned from the RVAD after 168 hours of support.
- The child was discharged from the hospital without any adverse events.
Implications:
- Isolated RV unloading using RVAD can be an effective treatment for severe RV failure in pediatric patients.
- This case highlights the potential of RVAD as a therapeutic option in complex pediatric cardiac surgery.
- Further investigation and application of RVAD in pediatric populations are warranted to improve outcomes.