Around 82% of total knee replacements last for around 25 years, according to a 2019 study. Partial knee replacements lasted for 25 years in 72% of cases. However, it is important to note how long knee replacement lasts can differ for each individual. A person's doctor can provide more accurate information about what to expect from knee replacement surgery based on their individual circumstances and when they may require revision knee replacement surgery.
How long will my knee replacement last?
Around 82% of total knee replacements last for around 25 years, according to a 2019 study. Partial knee replacements lasted for 25 years in 72% of cases. However, it is important to note how long knee replacement lasts can differ for each individual. A person's doctor can provide more accurate information about what to expect from knee replacement surgery based on their individual circumstances and when they may require revision knee replacement surgery.
What is a partial knee replacement?
Partial knee replacement, also called unicompartmental knee replacement, is a procedure to replace only one part or "compartment" of the knee. It may be a suitable treatment option in cases where a person's condition only affects part of the knee. It uses a smaller incision than total knee replacement and typically has good results in suitable candidates. However, there is a greater potential need for future operations than compared with total knee replacement. A person can discuss the benefits and disadvantages of partial knee replacement with their doctor.
Does Medicare cover knee replacement surgery?
Medicare may cover knee replacement surgery if a doctor considers the procedure medically necessary. A person can contact Medicare to discuss their specific health insurance plan and find out the coverage it offers for total knee replacement. Learn more about Medicare coverage for knee replacement.
What are knee replacements made of?
Knee replacement parts consist of metal and plastic. Surgeons use titanium- or cobalt-chromium-based alloys for the metal parts and medical-grade polyethylene for the plastic parts. In some cases, a knee replacement may may consist of either ceramics or a mixture of ceramic and metal, such as oxidized zirconium. Learn more about artificial knees.
