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[Clinical experience with the omnicarbon valve prosthesis].
M Ohtaki1, M Kawashima, T Miki
1Department of Cardiovascular Surgery, Osaka National Hospital, Japan.
[Zasshi] [Journal]. Nihon Kyobu Geka Gakkai
|December 1, 1992
Summary
The Omnicarbon valve shows good clinical results for valve replacement surgery. This study found a low incidence of valve-related complications and good survival rates over six years.
Area of Science:
- Cardiovascular Surgery
- Biomaterials Science
- Clinical Outcomes Research
Context:
- Isolated valve replacements are crucial procedures in managing valvular heart disease.
- The Omnicarbon valve is a specific type of prosthetic valve used in these surgeries.
- Understanding long-term outcomes and complications is essential for clinical decision-making.
Purpose:
- To evaluate the clinical performance and safety of the Omnicarbon valve.
- To assess long-term survival and valve-related complications after aortic valve replacement (AVR) and mitral valve replacement (MVR).
Summary:
- Ninety patients received isolated Omnicarbon valve replacements (53 AVR, 37 MVR) between 1985 and 1990.
- Follow-up averaged 3.7 years, with a cumulative 320 patient-years.
- Six-year actuarial survival was 86.3% (98.8% AVR, 82.1% MVR), with low rates of thromboembolism (0.63%/py) and prosthetic valve endocarditis (0.94%/py). No anticoagulant-related hemorrhage or valve hemolysis occurred.
Impact:
- The Omnicarbon valve shows favorable long-term clinical results and a low incidence of complications.
- This data supports the use of the Omnicarbon valve in selected patient populations.
- Findings contribute to the evidence base for prosthetic heart valve efficacy and patient outcomes.