How Long Does a Knee Replacement Last? Implant Life, Success & Revision Surgery
If you are considering knee replacement surgery , one of the most common questions is: “How long does a knee replacement last?” The good news is that modern knee replacement implants are designed to provide long-term pain relief and improved mobility. Many knee replacements continue to function well for 15 to 20 years or longer , although the exact lifespan varies from person to person. The American Academy of Orthopaedic Surgeons (AAOS) reports that more than 90% of modern total knee replacements are still functioning well 15 years after surgery. Some long-term studies have also reported good implant survivorship at 20 years and beyond. However, implant life should not be understood as a fixed expiry date. A knee replacement does not automatically need to be replaced after 15 or 20 years. How Long Does a Knee Replacement Usually Last? A modern total knee replacement can often last 15–20 years or more . In some patients, the implant can continue working well for 20–25 years or longer....