Knee replacement can be a scary surgery. Four percent of knee replacement patients are dead within 3 weeks. In most cases, we can help people even with severe knee pain. Total knee replacement is actually an amputation of the lower portion of the femur bone. We want to save amputation (knee replacement) for after we have tried all other conservative possibilities. Statistically speaking, about 1/3 of knee replacement patients feel better, 1/3 feel the same, and 1/3 feel worse. Is Knee Replacement for You in Bucks County?