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Updated: Aug 6, 2026

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Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation
Published on: August 8, 2025
[Long term results for the ATS valve, the first open pivot valve: 182 cases]
D Guilmet1, P De Lentdecker, D Le Houérou
1Service de Chirurgie Cardiaque, Hôpital Foch, Suresnes.
Summary
The ATS valve, an open pivot mechanical valve, demonstrates excellent hemodynamics and a low rate of thromboembolic complications, potentially allowing for reduced anticoagulant therapy. Patients reported minimal valve noise, contributing to an excellent quality of life.
Area of Science:
- Cardiovascular Surgery
- Biomedical Engineering
- Prosthetic Valve Technology
Context:
- The study evaluates the long-term performance and patient-reported outcomes of the ATS valve, a unique open-pivot mechanical heart valve.
- Data collected from 182 patients who received 197 ATS valve implants between May 1995 and May 2004.
Purpose:
- To assess the safety, efficacy, and patient quality of life associated with the ATS valve.
- To compare the ATS valve's thromboembolic and hemorrhagic complication rates with existing literature.
Summary:
- The ATS valve, featuring an open-pivot design, was implanted in 182 patients for aortic and mitral valve replacements. In-hospital mortality was 1.6%, with no deaths attributed to the valve up to 9 years post-implantation.
- Thromboembolic events were infrequent (9 total, 6 minor), and hemorrhagic events (10 total) were linked to organic lesions. Valve noise was not perceived by 89.6% of patients.
- Excellent hemodynamic characteristics and leaflet rotation facilitate optimal valve orientation, contributing to patient comfort and reduced noise perception.
Impact:
- The ATS valve's unique design offers a very low rate of thromboembolic complications, potentially enabling a reduction in anticoagulant treatment intensity.
- The prosthesis provides excellent hemodynamic performance and a high degree of patient satisfaction due to minimal noise, enhancing overall quality of life.
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