• Franz Endstrasser, Matthias Braito, Markus Linser, Anna Spicher, Moritz Wagner, and Alexander Brunner.
• Department of Orthopaedic and Trauma Surgery, BKH St. Johann in Tirol, Bahnhofstrasse 14, 6380, St. Johann in Tirol, Austria.
• Knee Surg Sports Traumatol Arthrosc. 2020 Aug 1; 28 (8): 2435-2443.

PurposeThe purpose of this study was to evaluate pain, functional impairment, mental health, and daily activity in patients with end-stage hip and knee osteoarthritis (OA) during the COVID-19 lockdown.MethodsThe study included 63 patients, with hip or knee OA, who had been scheduled for arthroplasty that was postponed because of COVID-19. Patients were evaluated by telephone interviews during the first week after lockdown, in the fourth week, and again at the end of the lockdown. Patients rated their pain level on the basis of a visual analog scale (VAS) and completed WOMAC, SF-12 and Tegner activity scale (TAS) questionnaires.ResultsVAS and WOMAC scores increased significantly during lockdown, while physical activity significantly decreased. At the final evaluation, VAS and WOMAC showed a significant negative correlation with TAS. The SF-12 subscale scores showed a significant decrease of the physical component during the lockdown, while the mental component remained largely unchanged. Patients with knee OA showed a faster progress of pain compared to those with hip OA. 50 patients (79%) stated they wished to have arthroplasty as soon as possible.ConclusionThe COVID-19 lockdown had a significant impact on pain, joint function, physical function, and physical activity in patients with end-stage hip and knee OA.Level Of EvidenceII (Prospective cohort study).

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