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Patrick Goetti Division of Orthopaedics and Trauma Surgery, Centre Hospitalier |Universitaire Vaudois, Lausanne, Switzerland

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Patrick J. Denard Denard Department of Orthopaedic & Rehabilitation, Oregon Health & Science University, Portland, Oregon, United States

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Philippe Collin Collin Centre Hospitalier Privé Saint-Grégoire (Vivalto Santé), Saint- Grégoire, France

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Mohamed Ibrahim Mohamed Ibrahim, Department of Orthopaedics and Trauma Surgery, Faculty of Medicine, Fayoum University, Fayoum, Egypt

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Adrien Mazzolari Division of Orthopaedics and Trauma Surgery, La Tour Hospital, Meyrin, Switzerland

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Alexandre Lädermann Division of Orthopaedics and Trauma Surgery, La Tour Hospital, Meyrin, Switzerland
Division of Orthopaedics and Trauma Surgery, Department of Surgery, Geneva University Hospitals, Geneva, Switzerland

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that 22% are either < 130 degrees or > 140 degrees. 26 Thus, fixed NSA humeral stems rely on surgeons to adapt their surgical techniques to accommodate patient anatomy. Modern modular systems provide centred and eccentric humeral heads as well as

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Luigi Zagra Hip Department, IRCCS Istituto Ortopedico Galeazzi, Italy

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Enrico Gallazzi Hip Department, IRCCS Istituto Ortopedico Galeazzi, Italy

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ceramic and metal heads. Ceramic heads showed significantly less fretting and corrosion, independent of the stem alloy used for the testing. Trunnionosis at the metal head-neck junction is a possible cause of painful THA that needs to be excluded after

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Raul Barco Hospital Universitario La Paz, Madrid, Spain

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Olga D. Savvidou Athens University Medical School, Attikon University Hospital, Athens, Greece

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John W. Sperling Mayo Clinic, Rochester, USA

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Joaquín Sanchez-Sotelo Mayo Clinic, Rochester, USA

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Robert H. Cofield Mayo Clinic, Rochester, USA

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intra-operative fractures when compared to primary arthroplasty. When the fracture is proximal to the tip of the stem, most may be treated successfully by circumferential cerclage. In this case a long stem was used in addition to bypass a cortical window

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Izaäk F. Kodde Orthopedic Center Antwerp, AZ Monica Hospital, Antwerp, Belgium
Department of Orthopedic Surgery, St. Antonius Hospital, Utrecht, The Netherlands

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Jetske Viveen Department of Orthopedic Surgery, Upper Limb Unit, Amphia Hospital, Breda, The Netherlands

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Bertram The Department of Orthopedic Surgery, Upper Limb Unit, Amphia Hospital, Breda, The Netherlands

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Roger P. van Riet Orthopedic Center Antwerp, AZ Monica Hospital, Antwerp, Belgium

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Denise Eygendaal Department of Orthopedic Surgery, Upper Limb Unit, Amphia Hospital, Breda, The Netherlands
Department of Orthopedic Surgery, Amsterdam UMC, Amsterdam, The Netherlands

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modularity. Over the last decades, many different types of RHP have been developed, with various combinations of these properties. For most types of RHP the results have only been reported in a few articles. Some prostheses have been taken off the market

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Daniel Herren Schulthess Klinik, Zurich, Switzerland

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imbalance, especially contracted boutonnière and swan-neck deformities. In severely contracted joints with a long-standing history of immobility, PIP joint fusion in a functional position may be a better choice than implant arthroplasty. Severe joint

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Vasileios F Pegios Academic Orthopaedic Department, Aristotle University Medical School, General Hospital Papageorgiou, Thessaloniki, Greece
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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Eustathios Kenanidis Academic Orthopaedic Department, Aristotle University Medical School, General Hospital Papageorgiou, Thessaloniki, Greece
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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Stavros Tsotsolis Centre of Orthopaedic and Regenerative Medicine (CORE), Center for Interdisciplinary Research and Innovation (CIRI)-Aristotle University of Thessaloniki (AUTH), Balkan Center, Thessaloniki, Greece
Department of Trauma and Orthopaedics, Guy’s and St Thomas’ NHS Foundation Trust, London, UK

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Michael Potoupnis Academic Orthopaedic Department, Aristotle University Medical School, General Hospital Papageorgiou, Thessaloniki, Greece
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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Eleftherios Tsiridis Academic Orthopaedic Department, Aristotle University Medical School, General Hospital Papageorgiou, Thessaloniki, Greece
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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intervention ( 35 ). Furthermore, Formica et al. evaluated the effect of multiple covariates, including BP administration on post-THA outcomes such as rate of neck resorption, AL, PPFs, infection and functional scores ( 40 ). The patients’ demographics and

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Carsten Perka Center for Musculoskeletal Surgery, Charité Medical University Center, Berlin, Germany

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Maziar Mohaddes Hässleholms Hospital, Region Skåne, Hässleholm, Sweden
Orthopedics, Faculty of Medicine, Department of Clinical Sciences, Lund University, Malmö, Sweden

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Luigi Zagra Hip Department, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy

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Axel Ekkernkamp BG Klinikum Unfallkrankenhaus Berlin gGmbH, Berlin, Germany
BG Kliniken – Klinikverbund der gesetzlichen Unfallversicherung gGmbH, Berlin, Germany

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Niklas Keller Harding Center for Risk Literacy, University of Potsdam, Faculty of Health Sciences, Potsdam, Germany

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Dirk Stengel BG Kliniken – Klinikverbund der gesetzlichen Unfallversicherung gGmbH, Berlin, Germany

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, soft-tissue balancing, restoration of leg length and axis, navigation, cemented or cementless fixation of the acetabular shell and femoral stem, platforms by different manufacturers, and many others). The tribologically optimal combination of ball and

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Dongmei Wu School of Medicine, University of St. Andrews, St. Andrews, Fife, United Kingdom

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Rohan M Bhalekar ExplantLab, The Biosphere, Newcastle Helix, Newcastle-upon-Tyne, United Kingdom

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Jordan S Marsh School of Medicine, University of St. Andrews, St. Andrews, Fife, United Kingdom

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David J Langton ExplantLab, The Biosphere, Newcastle Helix, Newcastle-upon-Tyne, United Kingdom

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Alan J Stewart School of Medicine, University of St. Andrews, St. Andrews, Fife, United Kingdom

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, here, we demonstrated an example of by-products released from MoM hip implants ( Fig. 1 ). Generally, in a MoM hip replacement, wear debris is caused by wear and corrosion (e.g. tribocorrosion) at the head–cup interface and head–stem taper junction ( 19

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Lars Nonnenmacher Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, Greifswald, Germany

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Maximilian Fischer Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, Greifswald, Germany

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Lyubomir Haralambiev Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, Greifswald, Germany

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Sander Bekeschus ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP), Greifswald, Germany

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Frank Schulze Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, Greifswald, Germany

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Georgi I Wassilew Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, Greifswald, Germany

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Janosch Schoon Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, Greifswald, Germany

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Johannes C Reichert Center for Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University Medicine Greifswald, Greifswald, Germany

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skin draft donor and recipient sites, in the context of surgical site infections (SSIs), in cardiac surgery, in the palliative treatment of head and neck cancer and as an additive treatment for metastatic colon cancer ( 27 ). The clinical relevance of

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Julia Sußiek Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany

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Philipp A. Michel Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany

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Michael J. Raschke Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany

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Benedikt Schliemann Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany

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J. Christoph Katthagen Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Muenster, Muenster, Germany

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fracture long stem (Tornier, Blooming- ton, MN, USA); 4 fixation screws Nicolay 25 2014 1 Bilateral fracture Conservative treatment with active and passive physiotherapy 4 NF No pain, never regained complete shoulder function NF

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