The risk of infection in the artificial valve was about 50 per cent higher with a biological prosthesis than with a mechanical. The follow-up time was up to 18 years. "We hadn't expected this large ...
A study led by the University of Bristol, Bristol, England, has found that mechanical heart valves provide better long-term survival than biological heart valves in patients aged 50-70 years. The ...
LOS ANGELES — Aortic mechanical valves are associated with better survival than bioprosthetic valves in patients aged 60 years or younger, showed 12-year survival data from a large surgical database.
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