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Autologous monocusp pulmonary valve: preliminary results
1Department of Cardiothoracic Surgery, Beilinson Medical Center, Petach Tikva, Israel.
The Annals of Thoracic Surgery
|June 1, 1996
Summary
A new technique creates an autologous monocusp pulmonary valve from the patient's pulmonary artery wall. This valve shows promising functionality for treating pulmonary regurgitation and right heart failure.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Biomedical Engineering
Background:
- Postoperative pulmonary regurgitation is increasingly linked to right heart failure.
- Current treatments for pulmonary regurgitation can lead to complications.
Purpose of the Study:
- To develop and evaluate a novel technique for creating an autologous monocusp pulmonary valve.
- To assess the feasibility and early efficacy of this valve in treating pulmonary regurgitation.
Main Methods:
- A surgical technique was developed to fashion a monocusp valve from the pulmonary artery wall, with defects repaired using autologous pericardium.
- The procedure was performed on 8 dogs and 5 children.
Main Results:
- Echocardiographic assessments confirmed the functionality of the autologous monocusp pulmonary valve in both canine and pediatric subjects.
- The valves were pliable, with mild to moderate pulmonary stenosis and insufficiency observed.
Conclusions:
- The construction of an autologous monocusp pulmonary valve is a viable surgical technique.
- The valve demonstrates efficient acute performance in canines and reasonable midterm results in children.
- This autologous valve holds potential for managing pulmonary regurgitation and may be applicable in pulmonary autograft aortic valve replacement.