Related Experiment Video
Updated: Apr 12, 2026

06:29
Wireless Telemetry Device Implantation in a Fontan Ovine Model for Continuous and Long-Term Hemodynamic Monitoring
Published on: May 2, 2025
922
Modified Fontan Conversion: An Alternative Technique for Adult Patients
María-Teresa González-López1, Ana-María Pita-Fernández1, Juan-Miguel Gil-Jaurena1
1Paediatric Cardiac Surgery Department, Gregorio Marañón Hospital, Madrid, Spain.
Journal of Cardiac Surgery
|May 15, 2015
Summary
Fontan conversion surgery addresses complex adult heart defects. A new technique improves distal anastomosis for better pulmonary artery matching and Fontan circuit flow.
Area of Science:
- Cardiovascular Surgery
- Pediatric Cardiology
- Adult Congenital Heart Disease
Background:
- The Fontan procedure is a palliative surgery for complex single-ventricle congenital heart defects.
- Fontan conversion is necessary for adults experiencing complications or seeking improved hemodynamics.
- Anatomical variations in pulmonary arteries pose significant challenges during Fontan conversion.
Observation:
- Adult patients with Fontan circulation exhibit unique and complex anatomical variations, particularly in pulmonary arteries.
- Intraoperative surgical technique must adapt to these individual anatomical challenges.
- Accurate matching of the extracardiac conduit to the pulmonary arteries is crucial for optimal outcomes.
Findings:
- A novel technique for Fontan conversion is described, focusing on the distal anastomosis of the extracardiac conduit.
- This technique allows for precise adaptation to the unique variations of the pulmonary arteries.
- The described method facilitates optimal flow dynamics within the Fontan circuit.
Implications:
- This surgical approach offers a viable solution for complex Fontan conversion cases.
- Improved anatomical matching can lead to enhanced long-term outcomes for Fontan patients.
- The technique provides surgeons with a valuable tool for managing challenging adult congenital heart disease cases.

