Preoperative psychological distress no reason to delay total knee arthroplasty: a register-based prospective cohort stud
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KNEE ARTHROPLASTY
Preoperative psychological distress no reason to delay total knee arthroplasty: a register‑based prospective cohort study of 458 patients Aamir Mahdi1,2,4 · Maria Hälleberg‑Nyman3 · Per Wretenberg1,2 Received: 22 March 2020 / Accepted: 15 July 2020 © The Author(s) 2020
Abstract Introduction Total knee arthroplasty (TKA) is effective in alleviating pain and improving function in patients with knee arthritis. Psychological factors are known to affect patient satisfaction after TKA. It is important to determine the effectiveness of TKA in patients with presurgical anxiety and/or depression to avoid excluding them from surgery. Materials and methods A prospective cohort study was conducted on all patients who underwent TKA during 2016–2018. Patients were divided into four groups: with anxiety, without anxiety, with depression, and without depression. Outcome measures comprised both generic and knee-specific instruments. Each patient group was compared regarding changes in outcome measures one year after surgery. Between-group comparison was also performed. Results Of the 458 patients with complete data, 15.3% and 9.6% had experienced presurgical anxiety and depression, respectively. All patient groups displayed statistical (P
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