Knee replacement surgery — also known as knee arthroplasty (ARTH-row-plas-tee) — can help relieve pain and restore function in severely diseased knee joints. If you want to tailor our website's use of your cookies, please select Change Settings. Pain and swelling: Implant loosening causes pain, especially with weight bearing. Ice and rest are used to reduce the swelling, then an exercise program designed to strengthen the muscles is recommended.
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