Common Reasons for Knee Implant Failure and How Revision Surgery Helps
Total knee replacement (TKR) is a highly successful procedure that improves mobility and relieves pain for millions of people suffering from knee arthritis or injuries. However, in some cases, the knee implant may fail over time, requiring a revision total knee replacement . Understanding the reasons behind implant failure and how revision surgery helps can prepare patients for the next steps in their treatment journey. Common Reasons for Knee Implant Failure 1. Implant Wear and Tear Over time, the artificial knee joint experiences wear and tear, especially in active patients. The polyethylene (plastic) component between the metal parts can degrade, leading to instability and pain. 2. Infection in the Knee Joint One of the most serious complications after knee replacement is periprosthetic joint infection (PJI) . Bacteria can enter the knee joint, causing swelling, pain, and stiffness. Infections may require implant removal and specialized treatment before a revision surgery can be per...