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This study aims to analyze the improvement and prognosis of anxiety and depression in patients with knee osteoarthritis after total knee arthroplasty. A retrospective questionnaire survey was conducted on 180 patients with knee osteoarthritis who underwent total knee arthroplasty. The questionnaire consisted of a general information questionnaire, the Zung Self-Rating Anxiety Scale (SAS) for anxiety, the Zung Self-Rating Depression Scale (SDS) for depression, the Visual Analog Scale (VAS), the Pittsburgh sleep quality Index (PSQI), and the American Knee Society Scores (AKSS). The same questionnaires were administered preoperatively and at 3, 6 and 12 months postoperatively, and the results were statistically analyzed. The prevalence of anxiety in preoperative knee osteoarthritis patients was 29.2% and the prevalence of depression was 37.5%. At 3, 6, and 12 months after total knee arthroplasty, anxiety and depression, pain levels, sleep disturbances, and functional status of the knee were significantly improved in patients with knee osteoarthritis compared with the preoperative period (all P<0.05). Patients with knee osteoarthritis have significant anxiety and depression before surgery, and total knee arthroplasty can significantly improve their anxiety, depression and prognosis, and should be performed as early as possible in patients with knee osteoarthritis.
Dong et al. (Sat,) studied this question.