More Severe Preoperative Kellgren-Lawrence Grades of Knee Osteoarthritis were Partially Associated with Better Postoperative Patient-Reported Outcomes in TKA Patients

The Journal of Knee Surgery
Alexander HoorntjeRutger C I van Geenen

Abstract

Total knee arthroplasty (TKA) is a successful procedure, although up to 20% of patients remain dissatisfied. Preoperative identification of appropriate TKA candidates is essential for improving satisfaction. This study investigated if preoperative radiographic severity was associated with postoperative pain, function, and quality of life after TKA. We performed a cross-sectional cohort study including 327 TKA patients. Radiographic severity was determined by two independent radiologists using the Kellgren and Lawrence (KL) score. The Knee Injury and Osteoarthritis Outcome Score (KOOS), the New Knee Society Score (New KSS), and Anterior Knee Pain Score (AKPS) were collected. We evaluated the association between KL grade and patient-reported outcome measures (PROMs) with the use of regression analysis techniques. Out of 228 responders, 195 patients completed the questionnaire sufficiently. Forty-seven patients were classified as KL grades 1 to 2, and 144 patients were classified as KL grades 3 to 4. The inter-observer reliability between both radiologists was substantial (ϰ = 0.67). After adjusting for age, sex, and body mass index (BMI), the New KSS subscales symptoms and expectations, and the KOOS subscale quality of life were ...Continue Reading

Citations

Dec 10, 2019·Rheumatology International·Kevin B HooverDan L Riddle
Feb 3, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Sina BabazadehPeter F M Choong
Jun 24, 2020·The Journal of Arthroplasty·Patrick K HorstDerek F Amanatullah
Sep 26, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Adam J TaglieroAaron J Krych
Dec 13, 2019·The Journal of Knee Surgery·Nicholas D ClementDavid J Deehan
Aug 27, 2021·Clinical Orthopaedics and Related Research·Christopher D JoyceSurena Namdari

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