Region Västra Götaland, Sahlgrenska University Hospital, Department of Orthopaedics, Gothenburg, Sweden
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Department of Orthopaedic Surgery and Traumatology, Odense University Hospital, Odense, Denmark
Institute of Clinical Research, University of Southern Denmark, Odense, Denmark
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Region Västra Götaland, Sahlgrenska University Hospital, Department of Orthopaedics, Gothenburg, Sweden
The Swedish Hip Arthroplasty Register, Gothenburg, Sweden
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a CoC articulation. None of the hips developed osteolysis. Lee et al followed 72 patients (86 THAs) with contemporary delta ceramic bearings for a minimum of five years in patients younger than 30 years. 52 Eight hips exhibited squeaking or
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, approximately 35% of hip arthroplasty (HA) procedures involved MoM implants, and over 1 million MoM HAs have been performed worldwide so far ( 2 , 3 ). However, the usage of CoCr alloys in MoM bearings is related to the initiation of a series of complications
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.5% for THA performed. 6 While THA is a successful procedure in most cases, failures are still recorded. Overall, excluding metal-on-metal (MoM) bearings from the analysis, failures due to articulating materials represent around 5% of the total
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superior wettability and hydrophilic surfaces aid in lubrication. Furthermore, the most recent studies have demonstrated new long-term advantages with current ceramic-bearing couples. However, the most important current concerns about CoC bearings are
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various hip implant bearings. 26 RCTs show similar short- to mid-term survivorship among ceramic-on-ceramic (CoC), ceramic-on-highly cross-linked polyethylene (XPE) and metal-on-XPE in patients younger than 65 years. 27 Standard polyethylene (PE
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Orthopedics, Faculty of Medicine, Department of Clinical Sciences, Lund University, Malmö, Sweden
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BG Kliniken – Klinikverbund der gesetzlichen Unfallversicherung gGmbH, Berlin, Germany
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)), less than 35 000 patients were enrolled in RCTs between 2000 and 2020 to study new developments or modifications like cementless fixation, short stems, novel bearings, etc., in a causal fashion ( 16 , 17 ). In such a situation, it is inevitable to
Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
Swedish Hip Arthroplasty Register, Gothenburg, Sweden
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Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
Swedish Hip Arthroplasty Register, Gothenburg, Sweden
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Swedish Hip Arthroplasty Register, Gothenburg, Sweden
Department of Orthopaedics, Prince Philip Hospital, HDUHB, Wales
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Finnish Arthroplasty Register, Helsinki, Finland
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Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
Swedish Hip Arthroplasty Register, Gothenburg, Sweden
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Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
Swedish Hip Arthroplasty Register, Gothenburg, Sweden
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review, the use of 28 mm or greater head diameter in THA with metal-on-XLPE (MoXLPE), ceramic-on-XLPE (CoXLPE) and ceramic-on-ceramic (CoC) bearings is analyzed with respect to range of movement, dislocation, functional outcomes, wear, taper corrosion and
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School of Health Professions Education (SHE), Maastricht University, Maastricht, the Netherlands
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School of Care and Public Health Research Institute (CAPHRI), Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, the Netherlands
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cobalt concentrations are often seen after implantation of metal-on-metal (MoM) hip bearings ( 7 ). This can be due to the release of ions from the metal (cobalt–chromium) surface either directly (corrosion) or during sliding under load, which may create
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zirconium. 8 , 9 In this review, the long-term clinical results with third-generation pure Al-Al bearings and their complications will be presented and compared with other available ceramics. A brief history of Al ceramics in orthopaedics Al is
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in vivo . 11 Hard-on-hard bearings, such as ceramic-on-ceramic (CoC), with survival rates of approximately 97% at ten years, or metal-on-metal (MoM), with survival rates of approximately 90% at ten years (in the best reports), were initially
