[Does total knee arthroplasty meet patient's expectations ?]

Total knee arthroplasty has grown considerably over the past decade, due to the aging of the population, the increase in the prevalence of obesity, and an increasing demand. The 10-year revision rate is less than 5%. Functional outcomes, assessed by range of motion measures and functional scores, were significantly improved with the advent of more reliable and less invasive surgical techniques, better management of postoperative pain, and early high-intensity rehabilitation protocols. However, 20% of patients say they are dissatisfied with their knee replacement, either because of the persistence of pain, or because their function does not match their preoperative expectations. Improved preoperative communication between patient and surgeon is essential to match patients' expectations to realistic treatment outcomes.