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Department of Biomedical Data Sciences, Leiden University Medical Centre, Leiden, The Netherlands
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Department of Safety & Security Science, Delft University of Technology, Delft, The Netherlands
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Introduction Aseptic loosening is the leading cause for revision of total hip and total knee arthroplasties (THAs/TKAs) reported in national arthroplasty registries ( 1 , 2 ). Aseptic loosening may have a multitude of causes including factors
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Introduction Minor prosthetic migration as detected by radiostereometric analysis (RSA) 1 – with a detection limit of 0.1–0.2 mm – is sometimes seen as unrelated to loosening since such prosthetic components usually remain asymptomatic
Centre of Orthopaedic and Regenerative Medicine (CORE), Center for Interdisciplinary Research and Innovation (CIRI)-Aristotle University of Thessaloniki (AUTH), Balkan Center, Thessaloniki, Greece
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Centre of Orthopaedic and Regenerative Medicine (CORE), Center for Interdisciplinary Research and Innovation (CIRI)-Aristotle University of Thessaloniki (AUTH), Balkan Center, Thessaloniki, Greece
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Department of Trauma and Orthopaedics, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
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Centre of Orthopaedic and Regenerative Medicine (CORE), Center for Interdisciplinary Research and Innovation (CIRI)-Aristotle University of Thessaloniki (AUTH), Balkan Center, Thessaloniki, Greece
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Centre of Orthopaedic and Regenerative Medicine (CORE), Center for Interdisciplinary Research and Innovation (CIRI)-Aristotle University of Thessaloniki (AUTH), Balkan Center, Thessaloniki, Greece
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and 25 years, respectively ( 2 ). The most common causes of THA failure are aseptic loosening (AL), deep periprosthetic joint infections (PJI) and instability, followed by periprosthetic fractures (PPF), dislocations, implant breakage and metallosis
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post-operative event that was likely to have a negative influence on the final outcome (infection, dislocation, nerve problems, aseptic loosening of any component, disassociation of the components or glenoid screw problems). 14 They used the term
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wear and tibial loosening due to the knee instability. 13 , 14 On the contrary, patients with primary anteromedial OA and secondary degenerative ACL deficiency are nowadays accepted as possible candidates for UKA, as compensatory mechanisms of the
Osteoarticular Surgery Research, La Paz Hospital Health Research Institute – IdiPAZ (La Paz University Hospital – Autonomous University of Madrid), Madrid, Spain
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failures, frequent bone loss and poor bone quality. 2 Bone deficiency is a common situation during rTKA, 3 with a diverse aetiology that can be due to aseptic loosening, causing a direct mechanical loss of bone, osteolysis, stress shielding and septic
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oversized smooth surface implant which did not allow secondary fixation, leading to aseptic loosening a few years after surgery. 2 In 1981, the work of Albrektsson et al on the principles of ‘osteointegration’, 3 coupled with advancements in
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should be assessed for consistency with the patients’ history and findings from the physical examination before coming to a final impression. The evidence shows that implant failure is most commonly for two reasons, aseptic loosening or infection, where
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%, with infection and aseptic loosening as the most common complications. Rotating hinge knee prostheses were most commonly indicated for infection, aseptic loosening, instability and bone loss. They had good outcome scores and survivorship, but continued
Upper Limb Unit, Department of Orthopedic Surgery, Amphia Hospital, Breda, The Netherlands
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Department of Orthopedic Surgery, Amsterdam University Medical Centers, Amsterdam, The Netherlands
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prosthesis; CC, cobalt-chromium; PC, pyrocarbon; Mono, monopolar; Bi, bipolar; Int. Loose, intentionally loose-fit. Primary outcome – failure mode The most prevalent failure mode was symptomatic aseptic loosening, occurring in 46 (30% of all
