Related Experiment Video
Updated: Jun 18, 2026
05:31
Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model
Published on: June 8, 2022
Percutaneous pulmonic valve implantation.
Arun Kumar1, Clifford Kavinsky, Zahid Amin
1Rush Center for Congenital and Structural Heart Disease, Rush University Medical Center, 1653 West Congress Parkway, Jones 770, Chicago, IL 60612, USA.
Current Treatment Options in Cardiovascular Medicine
|November 26, 2009
Summary
Surgically implanted pulmonary valves often fail, necessitating risky reoperation. Percutaneous pulmonary valve implantation offers a safe and effective alternative to improve heart function and patient outcomes.
Area of Science:
- Cardiology
- Interventional Cardiology
- Biomedical Engineering
Background:
- Surgically implanted right ventricle to pulmonary artery conduits have a high failure rate within 10 years, leading to stenosis or insufficiency.
- Pulmonic valve dysfunction can cause right ventricular dilatation, heart failure, arrhythmias, and potentially death.
- Reoperation for failed conduits involves cardiopulmonary bypass, increasing risks for patients with compromised right ventricular function.
Purpose of the Study:
- To evaluate the safety and effectiveness of percutaneous pulmonary valve implantation as an alternative to surgical reintervention.
- To assess the potential of percutaneous pulmonary valves to improve hemodynamic function and alleviate symptoms in patients with failing surgical conduits.
Main Methods:
- Review of initial clinical experiences with various percutaneous pulmonary valve systems.
- Analysis of procedural safety and hemodynamic effectiveness.
- Ongoing clinical follow-up to assess long-term outcomes.
Main Results:
- Initial data suggest percutaneous pulmonary valve implantation is both safe and effective.
- The procedure demonstrates potential for improving hemodynamic function and ameliorating symptoms.
- Ongoing studies are evaluating functional improvement, adverse events, and valve longevity.
Conclusions:
- Percutaneous pulmonary valve implantation is a promising, less invasive option for managing failing surgical conduits.
- Further research and device development are crucial for optimizing long-term outcomes and patient benefit.
- Continued clinical follow-up is essential to establish the durability and efficacy of percutaneous pulmonary valves.
