Knee replacement surgery is frequently successful in providing long-term relief. All forms of knee replacements should endure for 15 years or longer, with a 90 to 95 percent success rate.

A knee replacement takes four to six weeks only to recover from, depending on whether the surgery was a whole or partial replacement. Some knee replacements are performed in a less invasive manner.

Patients of any age who are clinically fit are suitable candidates for knee replacement surgery. Persons in their 80s who have had knee replacement surgery and are now able to enjoy life with minimal or no discomfort.

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