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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Long-term survival after aortic valve replacement using Smeloff-Cutter prosthesis
Circulation
|December 1, 1975
Summary
Aortic valve replacement with the Smeloff-Cutter prosthesis shows promising long-term survival rates. This surgery improves quality of life and prolongs life expectancy for patients with aortic valve disease.
Area of Science:
- Cardiology
- Cardiac Surgery
- Biomedical Engineering
Background:
- Aortic valve disease significantly impacts patient prognosis.
- Surgical intervention is often necessary for symptomatic patients.
- Prosthetic valve choice influences long-term outcomes.
Purpose of the Study:
- To evaluate the long-term prognosis of patients undergoing single aortic valve replacement.
- To assess the efficacy and survival rates associated with the Smeloff-Cutter prosthesis.
- To compare outcomes with other prosthetic valves and non-surgical management.
Main Methods:
- Retrospective analysis of 187 consecutive patients receiving Smeloff-Cutter prosthesis.
- Long-term follow-up (up to 8 years) for 153 surviving patients (95%).
- Actuarial survival rate calculation, including hospital mortality.
Main Results:
- Actuarial survival rates of 0.69 at 5 years and 0.611 at 8 years.
- Survival comparable to Starr-Edwards prosthesis, superior to non-surgical treatment for aortic stenosis.
- 88% of survivors reported improvement, 82% were symptom-free.
Conclusions:
- Aortic valve replacement with Smeloff-Cutter prosthesis offers favorable long-term survival.
- Surgery prolongs life expectancy and improves quality of life in selected patients.
- Results support surgical intervention for symptomatic aortic valve disease.

