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Transcatheter Mitral Valve Implantation Using the HighLife System
Marco Barbanti1, Nicolò Piazza2, Sarah Mangiafico1
1Ferrarotto Hospital, University of Catania, Catania, Italy.
JACC. Cardiovascular Interventions
|August 26, 2017
Summary
The HighLife transcatheter mitral valve system shows technical feasibility and safety for mitral regurgitation treatment. Early results demonstrate excellent hemodynamic performance in initial human implantations.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
- Biomedical Engineering
Background:
- Transcatheter mitral valve implantation offers a promising solution for mitral regurgitation in high-risk patients.
- The HighLife system is a novel 2-component device designed for mitral valve replacement.
- Severe mitral regurgitation often occurs in patients with comorbidities and reduced left ventricular function.
Observation:
- The first human implantations of the HighLife system were performed in two patients with severe functional mitral regurgitation.
- Procedures involved transfemoral deployment of the subannular implant and transapical release of the mitral valve.
- Both patients were hemodynamically stable intraoperatively with no major complications.
Findings:
- Post-procedure echocardiograms revealed excellent prosthetic valve function, low gradients, and no paravalvular leaks.
- One patient survived 5 months with improved functional class, while the other experienced rapid left ventricular deterioration post-procedure.
- Mild intraprosthetic regurgitation was noted in both cases.
Implications:
- The HighLife system is technically feasible and safe for transcatheter mitral valve implantation.
- Early hemodynamic outcomes suggest favorable prosthesis performance.
- Further investigation is warranted to optimize patient selection and management for this innovative transcatheter approach.
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