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Maria Moralidou Institute of Orthopaedics and Musculoskeletal Science, University College London and the Royal National Orthopaedic Hospital, Stanmore, UK

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Anna Di Laura Institute of Orthopaedics and Musculoskeletal Science, University College London and the Royal National Orthopaedic Hospital, Stanmore, UK

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Johann Henckel Institute of Orthopaedics and Musculoskeletal Science, University College London and the Royal National Orthopaedic Hospital, Stanmore, UK

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Harry Hothi Institute of Orthopaedics and Musculoskeletal Science, University College London and the Royal National Orthopaedic Hospital, Stanmore, UK

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Alister J. Hart Institute of Orthopaedics and Musculoskeletal Science, University College London and the Royal National Orthopaedic Hospital, Stanmore, UK

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prediction has been proven satisfactory, with good inter-observer variability. 7 – 9 , 11 , 13 , 21 – 28 Prediction rates for femoral stem and acetabular cup sizes range between 34–100% and 41–100% respectively ( Table 3 ). Considering this, 3D pre

Article Type:
Review Article
Category:
Hip
DOI:
https://doi.org/10.1302/2058-5241.5.200046
Volume/Issue:
Volume 5: Issue 12
Open access
George Grammatopoulos The Ottawa Hospital, Ottawa, Ontario, Canada

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Moritz Innmann Heidelberg University Hospital, Heidelberg, Germany

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Philippe Phan The Ottawa Hospital, Ottawa, Ontario, Canada

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Russell Bodner Midwest Orthopedic Institute, Sycamore, United States of America

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Geert Meermans Bravis Hospital, Roosendaal, The Netherlands

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Introduction Appropriate component orientation is important for success following hip arthroplasty ( 1 ). The significance of appropriate acetabular component (cup) orientation was further highlighted with the use of the third-generation metal

Article Type:
Review Article
Category:
Hip
DOI:
https://doi.org/10.1530/EOR-23-0049
Volume/Issue:
Volume 8: Issue 5
Open access
Georgios Tsikandylakis Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
Region Västra Götaland, Sahlgrenska University Hospital, Department of Orthopaedics, Gothenburg, Sweden

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Soren Overgaard The Danish Hip Arthroplasty Register, Aarhus, Denmark
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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Luigi Zagra Hip Department, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy

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Johan Kärrholm Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
Region Västra Götaland, Sahlgrenska University Hospital, Department of Orthopaedics, Gothenburg, Sweden
The Swedish Hip Arthroplasty Register, Gothenburg, Sweden

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friction and higher wear and loosening rate when articulating against polyethylene cups of contemporary design. 3 In 1990, Livermore and colleagues suggested a compromise which was the use of a 28-mm head, which, for at least a decade, became a

Article Type:
Review Article
Category:
Hip
DOI:
https://doi.org/10.1302/2058-5241.5.200002
Volume/Issue:
Volume 5: Issue 10
Open access
Julia Riemenschneider Department of Trauma-, Hand- and Reconstructive Surgery, Goethe University, Frankfurt, Germany

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Jan Tilmann Vollrath Department of Trauma-, Hand- and Reconstructive Surgery, Goethe University, Frankfurt, Germany

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Nils Mühlenfeld Department of Trauma-, Hand- and Reconstructive Surgery, Goethe University, Frankfurt, Germany

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Johannes Frank Department of Trauma-, Hand- and Reconstructive Surgery, Goethe University, Frankfurt, Germany

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Ingo Marzi Department of Trauma-, Hand- and Reconstructive Surgery, Goethe University, Frankfurt, Germany

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Maren Janko Department of Trauma-, Hand- and Reconstructive Surgery, Goethe University, Frankfurt, Germany

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–Peterson) following ( 34 ). However, a THA is only possible with a standard uncemented or cemented acetabular cup if the containment of the acetabulum is stable enough ( 2 ). If not, this approach is not possible and additional measures are necessary, with additional

Article Type:
Review Article
Category:
Trauma
DOI:
https://doi.org/10.1530/EOR-22-0019
Volume/Issue:
Volume 7: Issue 6
Open access
Alessandro Colombi Department of Orthopaedic Surgery, ASST Papa Giovanni XXIII, Bergamo, Italy

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Daniele Schena Department of Orthopaedic Surgery, ASST Papa Giovanni XXIII, Bergamo, Italy

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Claudio Carlo Castelli Department of Orthopaedic Surgery, ASST Papa Giovanni XXIII, Bergamo, Italy

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X-ray image due to pelvic tilt following a lumbar arthrodesis. Fig. 3 Same implant and patient, different X-ray angle leading to different evaluation of cup orientation. (a) incorrect beam angle: cup too vertical and anteverted position

Article Type:
Review Article
Category:
Hip
DOI:
https://doi.org/10.1302/2058-5241.4.180075
Volume/Issue:
Volume 4: Issue 11
Open access
Arya Nicum Institute of Orthopaedics and Musculoskeletal Science, University College London, UK

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Harry Hothi Royal National Orthopaedic Hospital, Stanmore, UK.
Department of Mechanical Engineering, University College London, UK

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Johann Henckel Royal National Orthopaedic Hospital, Stanmore, UK.

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Anna di Laura Royal National Orthopaedic Hospital, Stanmore, UK.
Department of Mechanical Engineering, University College London, UK

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Klaus Schlueter-Brust Department of Orthopaedic Surgery, St. Franziskus Hospital Köln, Köln, Germany

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Alister Hart Institute of Orthopaedics and Musculoskeletal Science, University College London, UK
Royal National Orthopaedic Hospital, Stanmore, UK.
Cleveland Clinic London, London, UK

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literature regarding various industries that are successfully implementing this technique, presenting this paper as a resource for those involved in this field going forward. To achieve this, a 3D-printed acetabular cup will be analysed ( Fig. 1 ). This

Article Type:
Review Article
Category:
Hip
DOI:
https://doi.org/10.1530/EOR-23-0182
Volume/Issue:
Volume 9: Issue 9
Open access
Olivier Guyen Department of Orthopaedic Surgery, Lausanne University Hospital, Lausanne, Switzerland

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constrained devices has been shown to be design-dependent. Dislocation rates have been reported ranging between 4.5% and 29% with the S-ROM cup. 6 , 7 The tripolar constrained design provided better short-term results with dislocation rates ranging from 2

Article Type:
Research Article
Category:
Hip
DOI:
https://doi.org/10.1302/2058-5241.1.000054
Volume/Issue:
Volume 1: Issue 5
Open access
Zeng Li Department of Orthopedics, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangdong, China
Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China
These authors contributed equally to the manuscript

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Shuai Xiang Department of Joint Surgery, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
These authors contributed equally to the manuscript

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Cuijiao Wu Department of Histology & Embryology, Qingdao University Medical School, Qingdao, Shandong, China

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Yingzhen Wang Department of Joint Surgery, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China

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Xisheng Weng Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China

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, 2 However, for THA involving a polyethylene (PE) liner, one of the major factors threatening long-term survival is the production of wear particles, resulting in periprosthetic osteolysis and aseptic loosening of the acetabular cup and/or the

Article Type:
Review Article
Category:
Hip
DOI:
https://doi.org/10.1302/2058-5241.6.200072
Volume/Issue:
Volume 6: Issue 9
Open access
Anne Lübbeke Division of Orthopaedic Surgery & Traumatology, Geneva University Hospitals and University of Geneva, Switzerland
Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, UK

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Christophe Combescure Division of Clinical Epidemiology, Geneva University Hospitals and University of Geneva, Switzerland

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Christophe Barea Division of Orthopaedic Surgery & Traumatology, Geneva University Hospitals and University of Geneva, Switzerland

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Amanda Inez Gonzalez Division of Orthopaedic Surgery & Traumatology, Geneva University Hospitals and University of Geneva, Switzerland

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Keith Tucker Chair Orthopaedic Data Evaluation Panel, UK

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Per Kjærsgaard-Andersen Center for Adult Hip and Knee Reconstruction, Department of Orthopaedics, South Danish University, Vejle Hospital, Denmark

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Tom Melvin School of Medicine, Trinity College Dublin, Ireland

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Alan G Fraser Department of Cardiology, University Hospital of Wales, Cardiff, UK

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Rob Nelissen Department of Orthopaedics, Leiden University Medical Center, Leiden, The Netherlands

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James A Smith Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, UK
National Institute for Health Research Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford, UK

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obtained lists of hip cups ( n = 138), hip stems ( n = 165), and knee ( n = 97) implants. From that pool of CE-marked implants, ten devices were then randomly selected from each of the three lists. The unit of analysis used was determined for the hip

Article Type:
Systematic Review
Category:
General Orthopaedics
DOI:
https://doi.org/10.1530/EOR-23-0024
Volume/Issue:
Volume 8: Issue 11
Open access
Andreas Fontalis Royal National Orthopaedic Hospital NHS Trust, Brockley Hill, Stanmore, UK
Academic Unit of Bone Metabolism, University of Sheffield Medical School, Sheffield, UK

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Eustathios Kenanidis Academic Orthopaedic Unit, Aristotle University Medical School, Papageorgiou General Hospital, Thessaloniki, Greece
Centre of Orthopaedic and Regenerative Medicine (CORE), Center for Interdisciplinary Research and Innovation (CIRI), Aristotle University of Thessaloniki, Thessaloniki, Greece

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Katharine Bennett-Brown Chelsea and Westminster Hospital NHS Foundation Trust, Chelsea, London, UK

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Eleftherios Tsiridis Academic Orthopaedic Unit, Aristotle University Medical School, Papageorgiou General Hospital, Thessaloniki, Greece
Centre of Orthopaedic and Regenerative Medicine (CORE), Center for Interdisciplinary Research and Innovation (CIRI), Aristotle University of Thessaloniki, Thessaloniki, Greece

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surgical approach used Study Patients/THA Type of stem Type of cup Femoral head/ bearing couple Approach Wojtowicz et al, 2019 22 Elective THA in PD patients with primary OA ( N = 490) Cemented 442 (90%), Uncemented

Article Type:
Review Article
Category:
Hip
DOI:
https://doi.org/10.1302/2058-5241.5.200034
Volume/Issue:
Volume 5: Issue 12
Open access