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Published on: November 25, 2011
Homemade expanded-polytetrafluoroethylene flexible mitral annuloplasty ring
Eric Bezon1, Ahmed Ismail Abdel Aziz Khalifa, Jean Noël Choplain
1Department of Cardio-vascular and Thoracic Surgery, University Hospital La Cavale Blanche, 29609 Brest Cedex, France. eric.bezon@chu-brest.fr
Summary
A novel, flexible mitral annular prosthesis made from expanded-polytetrafluoroethylene is safe and effective. This cost-effective device shows good results in patients, offering a viable option for developing countries.
Area of Science:
- Biomaterials Science
- Cardiovascular Surgery
- Medical Device Engineering
Background:
- Mitral annular reconstruction is crucial for treating mitral valve disease.
- Existing prostheses may face challenges like wrinkling or rupture.
- Need for cost-effective and robust solutions, especially in resource-limited settings.
Purpose of the Study:
- To develop and evaluate a homemade mitral annular prosthesis using expanded-polytetrafluoroethylene (ePTFE).
- To assess the safety, efficacy, and durability of this novel prosthesis.
- To determine the cost-effectiveness and availability of the prosthesis for developing countries.
Main Methods:
- Fabrication of a mitral annular prosthesis using ePTFE material.
- Implantation of the prosthesis in 60 patients.
- Clinical follow-up for 42 months to assess outcomes.
Main Results:
- The ePTFE prosthesis demonstrated safety by avoiding prosthesis wrinkle upon stitch tying.
- The device exhibited strength, preventing stretching and rupture.
- Good and stable clinical results were observed in 60 patients at 42 months post-implantation.
Conclusions:
- The flexible mitral annular prosthesis is a safe and effective alternative.
- The device offers a cost-effective and readily available solution for mitral annular reconstruction.
- This innovation holds significant potential for improving patient outcomes in developing countries.
