Replacing a knee prosthesis that has become loose or worn.
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Revision Knee Replacement
Revision knee replacement is performed when a previous knee prosthesis has failed. During surgery, the damaged prosthesis is removed and a new one is implanted. This procedure can be more challenging than a primary replacement due to the presence of scar tissue and poor quality bone.
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Revision knee replacement surgery involves replacing part or all of a previous knee prosthesis with a new one. This becomes necessary when an initial total knee replacement surgery fails for various reasons.
Indications and Surgical Procedure
This surgery may be recommended if a patient experiences knee trauma, chronic joint disease, increased pain, a worn-out prosthesis, knee instability, a "giving way" sensation, loosening of the prosthesis, infection, weakening of the bone around the replacement (osteolysis), knee stiffness, leg length discrepancy, or a fracture.
The surgery is performed under general anesthesia. The surgeon makes an incision over the knee, exposes the joint, and removes the old components. Damaged bone may be removed and replaced with a bone graft or a metal shim. New components are then secured with bone cement.