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What are the success rates for knee replacement?

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As of 2015, the success rate for total knee replacement is more than 90 percent, according to the Department of Orthopaedics and Sports Medicine at the University of Washington. After surgery recovery, the most patients realize complete or substantial pain relief. Most can walk without a cane and without limping.

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Generally, the two types of knee replacements are traditional total knee replacements and partial, minimally invasive knee replacements, explains UW Medicine. Surgeons performing the traditional surgery make incisions about 8 inches long over the knees. Patients remain in the hospital up to five days and go through a recovery period that lasts up to three months. Ninety to 95 percent of the surgeries relieve patients' symptoms and give them good joint function for a decade or more after their procedures.

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