Pain medicine : the official journal of the American Academy of Pain Medicine
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Pain Med
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Observational Study
Postoperative psychosocial factors in health functioning and health-related quality of life after knee arthroplasty: A 6-month follow up prospective observational study.
Knee arthroplasty (KA) is an effective and cost-effective treatment for end-stage knee osteoarthritis. Despite high surgical success rates, as many as 25% of patients report compromised postoperative functioning, persistent pain, and reduced quality of life. The purpose of this study was to assess the predictive value of psychological factors in health functioning and quality of life, during a 6-month period after KA. ⋯ Postoperative acute pain and psychosocial factors of pain catastrophizing, anxiety, depression, and pain attitudes might influence health functioning and quality of life during KA rehabilitation. Such factors could be gathered into one single dimension defined as pain-related psychologic distress.