Total joint replacement of the hip and knee in patients with arthrogryposis multiplex congenita: a report of six joints
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ORTHOPAEDIC SURGERY
Total joint replacement of the hip and knee in patients with arthrogryposis multiplex congenita: a report of six joints Christoph Theil1 · Robert Roedl2 · Georg Gosheger1 · Burkhard Moellenbeck1 · Adrien Frommer1,2 · Ralf Dieckmann1 · Bjoern Vogt2 Received: 3 June 2020 / Accepted: 28 September 2020 © The Author(s) 2020
Abstract Introduction Arthrogryposis multiplex congenita (AMC) is a rare congenital condition that leads to severe joint contractures and deformities. As painful joint dysplasia and degeneration might develop over time, total joint replacement (TJR) can be a potential treatment option for these patients. The aim of this study is to investigate functional results, implant survivorship and potential complications in patients with AMC who undergo hip or knee arthroplasty. Materials and methods We retrospectively identified six TJR in three patients at a single centre performed between 2006 and 2019. The median patient age at surgery was 23 years and the median follow-up period was 69 (IQR 55–99) months. We analysed surgical technique, implant survivorship and complications as well as functional outcome determined by pain reported on the Numerical Rating Scale (NRS), patient-reported outcome scores [Oxford Hip Score (OHS), Harris Hip score (HHS), Oxford Knee Score (OKS)], range of motion and ambulatory status. Depending on data distribution means with ranges and median with interquartile range were compared with the Wilcoxon signed rank test or Student’s t test. The level of significance was defined at
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