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Continuous passive motion therapy after total knee arthroplasty.

OSTEOARTHRITIS (OA) affects 30 million U.S. adults according to the CDC, making it the most common form of arthritis and the most common joint disorder.1 OA can cause pain, stiffness, and swelling, leading to disability and diminishing the patient’s quality of life.1 Fourteen million people in the United States experience symptomatic knee OA.2 OA of the knee isn’t curable, but patients may experience symptom relief and improvement in quality of life through total knee arthroplasty (TKA). According to the Agency for Healthcare Research and Quality, by 2030 approximately 11 million Americans will have undergone TKA, making it one of the most common elective surgical procedures in the United States.3 Recovery after TKA requires physical rehabilitation, which may include continuous passive motion (CPM) therapy.4 This article explores the potential benefits and drawbacks of CPM therapy and discusses what nurses need to know when it’s prescribed for their patients.