Knee replacement surgery, or knee arthroplasty, is an orthopedic surgery that provides pain relief and improved movement to those suffering from advanced damaged or deformity of the knee or a weakened knee joint. In most cases, the cartilage is worn away, and the surface of the knee becomes pitted or eroded which causes pain, stiffness, or instability.
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Knee replacement surgery commonly referred to as knee arthroplasty is the most commonly performed joint replacement procedure. In the United States, more than a half 1 million knee replacement surgical procedures are performed every year.
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Knee replacement surgery is one of the most popular joint replacement orthopedic procedures in the world, according to the Agency for Healthcare Research and Quality, more than 600,000 knee replacement procedure are performed each year in the United States alone.
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Over 600,000 knee replacement surgeries are performed in the USA annually. Most patients are aged between 50 and 80 years, and over 90 percent of them meet a dramatic improvement in their pain and mobility levels.