What are the survival rates of a tissue valve compared with a mechanical valve?
The patient’s age, activity level, gender, as well as their medical condition and the possibility of future surgery are some of the determining factors for the implantation of a tissue valve or a mechanical valve.In 80-90% of the cases, most tissue valves continue to operate, depending on the age, activity level and the health of the patient. They are more commonly used in the elderly, because of a less active lifestyle and slower metabolisms, and in women of child-bearing age.Most mechanical valves last the lifetime of the patient but require the constant use of anti-coagulants. In the rare case of a mechanical valve failure, it is usually fatal. Additionally, the mortality and incidence of disease associated with a long term anti-coagulant therapy is significant. The typical patient is young, non child-bearing through to the age of 65.
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