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Mabua A. Chuene Arthroplasty Unit, CMJAH, University of the Witwatersrand, Johannesburg, South Africa

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Jurek R.T. Pietrzak Arthroplasty Unit, CMJAH, University of the Witwatersrand, Johannesburg, South Africa

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Allan R. Sekeitto Arthroplasty Unit, CMJAH, University of the Witwatersrand, Johannesburg, South Africa

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Lipalo Mokete Arthroplasty Unit, CMJAH, University of the Witwatersrand, Johannesburg, South Africa

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Introduction The burden of fragility fractures is on the rise due to the rapid increase in the ageing population. 1 – 4 Approximately 1.6 million hip fracture cases are reported worldwide each year and the number is projected to climb to

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Nikolaos Patsiogiannis Department of Trauma and Orthopaedics, Leeds General Infirmary, Leeds, UK

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Nikolaos K. Kanakaris Department of Trauma and Orthopaedics, Leeds General Infirmary, Leeds, UK
NIHR Leeds Biomedical Research Center, Chapel Allerton Hospital, Leeds, UK

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Peter V. Giannoudis Department of Trauma and Orthopaedics, Leeds General Infirmary, Leeds, UK
NIHR Leeds Biomedical Research Center, Chapel Allerton Hospital, Leeds, UK

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fractures around a hip arthroplasty (THA) represent the most common periprosthetic fractures. Their contemporary management is mostly surgical and is considered technically challenging. Effective management of these injuries requires both trauma and

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Torben Bæk Hansen Aarhus University and The Lundback Centre for Hip and Knee Arthroplasty, Denmark

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, insufficient post-operative mobilisation of patients, absence of well-defined discharge criteria and suboptimum pre-operative patient information. 3 However, fast-track programmes have now been introduced into total hip arthroplasty (THA) surgery with

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Javier Pizones Spine Unit, Department of Orthopaedic Surgery, Hospital Universitario La Paz, Madrid, Spain

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Eduardo García-Rey Hip Unit, Department of Orthopaedic Surgery, Hospital Universitario La Paz, Madrid, Spain

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. The pelvic ring also acts as the hinge between the spine and the lower limbs, coupling lumbar lordosis (LL) with hip extension in the standing position with a minimal energy expenditure. 1 Recent investigations have renewed interest in the pelvis

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Pascal-André Vendittoli Personalized Arthroplasty Society
Surgery Department, Hôpital Maisonneuve-Rosemont, Montreal University, Montreal, Québec, Canada
Clinique orthopédique Duval, 1487 Boul des Laurentides, Laval

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Charles Riviere Personalized Arthroplasty Society
Bordeaux Arthroplasty Research Institute - Clinique du Sport Bordeaux-Mérignac 04-06 rue Georges Negrevergne, Mérignac, France

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Michael T Hirschmann Personalized Arthroplasty Society
Department of Orthopedic Surgery and Traumatology, Kantonsspital Baselland, Bruderholz, Switzerland
Clinical Research Group Michael T. Hirschmann, Regenerative Medicine & Biomechanics, University of Basel, Basel, Switzerland

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Stefano Bini Personalized Arthroplasty Society
Department of Surgery, University of California, San Francisco, California, USA

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Joint replacement surgery has evolved significantly since its conception. Despite initial failures, total hip and total knee arthroplasties (THAs and TKAs, respectively) have gained acceptance with ever-improving implant survivorship and patient

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Georgios Tsikandylakis Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden
Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
Swedish Hip Arthroplasty Register, Gothenburg, Sweden

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Maziar Mohaddes Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden
Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
Swedish Hip Arthroplasty Register, Gothenburg, Sweden

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Peter Cnudde Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
Swedish Hip Arthroplasty Register, Gothenburg, Sweden
Department of Orthopaedics, Prince Philip Hospital, HDUHB, Wales

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Antti Eskelinen Coxa Hospital for Joint Replacement, Tampere, Finland
Finnish Arthroplasty Register, Helsinki, Finland

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

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Ola Rolfson Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden
Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden
Swedish Hip Arthroplasty Register, Gothenburg, Sweden

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Introduction Total hip arthroplasty (THA) currently comprises a variety of head sizes and bearing types. The size of femoral head used in THA gradually increased from 22 mm in the 1960s to 28 mm in the 1990s, and thereafter to 32 mm in the mid

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

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Francesco Benazzo Chirurgia Protesica ad Indirizzo Robotico, Fondazione Poliambulanza, Brescia, Italy

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Dante Dallari Reconstructive Orthopaedic Surgery and Innovative Techniques – Musculoskeletal Tissue Bank, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy

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Francesco Falez Department of Orthopaedics and Traumatology, ASL Roma 1, S. Filippo Neri Hospital, Rome, Italy

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Giuseppe Solarino Department of Basic Medical Sciences, Neuroscience and Sense Organs, Orthopaedic & Trauma Unit, School of Medicine, University of Bari Aldo Moro, AOU Consorziale ‘Policlinico’, Bari, Italy

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Rocco D’Apolito Hip Department, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy

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Claudio Carlo Castelli FROM, Research Foundation Papa Giovanni XXIII Hospital, Bergamo, Italy

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Introduction and definitions The hip–spine relationship has attracted increasing attention from hip surgeons, and the concept of the lumbopelvic complex (LPC) ( 1 ) has garnered research interest from diverse perspectives. This article

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Giuseppe Solarino Department of Neuroscience and Organs of Sense, Orthopaedics Section, Faculty of Medicine and Surgery, University of Bari, Bari, Italy

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Giovanni Vicenti Department of Neuroscience and Organs of Sense, Orthopaedics Section, Faculty of Medicine and Surgery, University of Bari, Bari, Italy

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Massimiliano Carrozzo Department of Neuroscience and Organs of Sense, Orthopaedics Section, Faculty of Medicine and Surgery, University of Bari, Bari, Italy

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Guglielmo Ottaviani Department of Neuroscience and Organs of Sense, Orthopaedics Section, Faculty of Medicine and Surgery, University of Bari, Bari, Italy

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Biagio Moretti Department of Neuroscience and Organs of Sense, Orthopaedics Section, Faculty of Medicine and Surgery, University of Bari, Bari, Italy

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

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Introduction Total hip arthroplasty (THA) is a beneficial surgical procedure that relieves pain, restores hip function, and improves quality of life in most patients with end-stage hip osteoarthritis or other hip diseases. 1 However, the

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Markus S. Hanke Department of Orthopaedic and Trauma Surgery, Inselspital, University of Bern, Bern, Switzerland

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Florian Schmaranzer Department of Diagnostic, Interventional and Pediatric Radiology, University Hospital of Bern, Inselspital, University of Bern, Bern, Switzerland

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Simon D. Steppacher Department of Orthopaedic and Trauma Surgery, Inselspital, University of Bern, Bern, Switzerland

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Till D. Lerch Department of Orthopaedic and Trauma Surgery, Inselspital, University of Bern, Bern, Switzerland

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Klaus A. Siebenrock Department of Orthopaedic and Trauma Surgery, Inselspital, University of Bern, Bern, Switzerland

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Over the past two decades, substantial increases in the knowledge of pre-arthritic conditions of the hip joint, including developmental dysplasia of the hip, femoro-acetabular impingement, slipped capital femoral epiphysis, residual deformities

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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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bone stock and accommodating a larger femoral head, and closely aligning to the biomechanics of the hip as a result ( 10 ). However, a smaller wall thickness raises the question of the mechanical integrity of the implant, and if deformation is more

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