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Carlos A. Encinas-Ullán Department of Orthopaedic Surgery, La Paz University Hospital-IdiPaz, Madrid, Spain

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José M. Martínez-Diez Department of Orthopaedic Surgery, La Paz University Hospital-IdiPaz, Madrid, Spain

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E. Carlos Rodríguez-Merchán Department of Orthopaedic Surgery, La Paz University Hospital-IdiPaz, Madrid, Spain

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quality. Only when the bones are osteoporotic, the pins should be screwed a little more into the distal cortex and can even penetrate slightly through it, as this can increase the stability of the assembly. In 2019, Huang reported that on the fixation of a

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David González-Martín Orthopedic Surgery and Traumatology Service, Hospital Universitario de Canarias, Tenerife, Spain
Universidad de La Laguna, Tenerife, Spain

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José Luis Pais-Brito Orthopedic Surgery and Traumatology Service, Hospital Universitario de Canarias, Tenerife, Spain
Universidad de La Laguna, Tenerife, Spain

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Sergio González-Casamayor Orthopedic Surgery and Traumatology Service, Hospital Universitario de Canarias, Tenerife, Spain

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Ayron Guerra-Ferraz Orthopedic Surgery and Traumatology Service, Hospital Universitario de Canarias, Tenerife, Spain

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Jorge Ojeda-Jiménez Orthopedic Surgery and Traumatology Service, Hospital Universitario de Canarias, Tenerife, Spain
Universidad de La Laguna, Tenerife, Spain

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Mario Herrera-Pérez Orthopedic Surgery and Traumatology Service, Hospital Universitario de Canarias, Tenerife, Spain
Universidad de La Laguna, Tenerife, Spain

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anatomical designs (pre-contoured plates), which match the anatomy of the femur; variable interlocking options facilitating screw fixation around the stem; extensions capturing the greater trochanteric region; multidirectional screw placement to avoid

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Bryant Ho Hinsdale Orthopaedics, Hinsdale, Illinois, USA

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Judith Baumhauer University of Rochester, Department of Orthopaedics, Rochester, New York, USA

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maintaining bony contact. Fixation can include crossed lag screws or a lag screw with a dorsal plate ( Fig. 5 ). Biomechanical testing has shown that a lag screw with a dorsal plate offers the most stable construct, although at the expense of increased cost of

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Markus A. Küper BG Trauma Center, Department for Traumatology and Reconstructive Surgery, Eberhard Karls University, Tübingen, Germany

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Alexander Trulson BG Trauma Center, Department for Traumatology and Reconstructive Surgery, Eberhard Karls University, Tübingen, Germany

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Fabian M. Stuby BG Trauma Center, Department for Traumatology, Orthopedics and Surgery, Murnau am Staffelsee, Germany

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Ulrich Stöckle BG Trauma Center, Department for Traumatology and Reconstructive Surgery, Eberhard Karls University, Tübingen, Germany

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accuracy of the SI screws in the future. For severely displaced SI joint disruptions or sacral fractures, open reduction and internal fixation techniques (ORIF), either through anterior or posterior surgical approaches to the pelvis, are feasible

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Ting-Yu Tu Department of Orthopedics, Kaohsiung Veterans General Hospital, Kaohsiung City, Taiwan

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Chun-Yu Chen Department of Orthopedics, Kaohsiung Veterans General Hospital, Kaohsiung City, Taiwan
Department of Occupational Therapy, Shu-Zen Junior College of Medicine and Management, Kaohsiung City, Taiwan
Department of Biomedical Engineering, I-Shou University, Kaohsiung City, Taiwan

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Pei-Chin Lin Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
Department of Pharmacy, School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan

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Chih-Yang Hsu Department of Internal Medicine, Division of Nephrology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan

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Kai-Cheng Lin Department of Orthopedics, Kaohsiung Veterans General Hospital, Kaohsiung City, Taiwan

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literature review done by Clement et al. ( 52 ) which suggested that the overall re-operation risk is lower for cemented fixation in primary THA. Unless cross-linked polyethylene liners or alternative bearings can prove to yield superior outcome in the

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Xun Wang Department of Orthopedics, Center for Plastic & Reconstructive Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, China
Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China

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Aiqi Zhang Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China

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Wenchao Yao Department of Orthopaedics, the First People's Hospital of Chun'an County, Hangzhou, Zhejiang, China

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Haiyan Qiu Department of Endocrinology, Afliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China

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Fabo Feng Department of Orthopedics, Center for Plastic & Reconstructive Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), Hangzhou, Zhejiang, China

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surgeons and patients ( 35 ). As one of the hot spots of TLIF research, there is still no consensus on the selection of posterior internal fixation. Currently, there are four common methods of internal fixation: bilateral pedicle screw fixation (BPS

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Andreas Frodl Department of Orthopedics and Traumatology, Freiburg University Hospital, Freiburg, Germany

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Benjamin Erdle Department of Orthopedics and Traumatology, Freiburg University Hospital, Freiburg, Germany

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Hagen Schmal Department of Orthopedics and Traumatology, Freiburg University Hospital, Freiburg, Germany
University Hospital Odense, Dep. Of Orthopedic Surgery, Sdr. Boulevard 29, 5000 Odense C, Denmark

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leg’s distal third, osteosynthetic treatment of the fibula remains controversial. Reasons to recommend fibular fixation are greater stability itself, improved rotational stability, and to prevent secondary valgus dislocation. However, the intervention

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Philipp Schleicher Zentrum für Wirbelsäulenchirurgie und Neurotraumatologie, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Germany

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Andreas Pingel Zentrum für Wirbelsäulenchirurgie und Neurotraumatologie, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Germany

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Frank Kandziora Zentrum für Wirbelsäulenchirurgie und Neurotraumatologie, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Germany

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severe instability of the occipital-atlantal joint complex (Horn grade II/Anderson/Montesano type 3). If an unstable atlas ring fracture with the need for surgical fixation shows a destroyed lateral mass, which makes screw insertion impossible

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Benjamín Cancino Universidad Austral de Chile, Valdivia, Chile

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Matías Sepúlveda Universidad Austral de Chile, Valdivia, Chile
Hospital Base de Valdivia, Valdivia, Chile

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Estefanía Birrer Hospital Base de Valdivia, Valdivia, Chile
Universidad Austral de Chile, Valdivia, Chile

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fracture (A), and subsequent postoperative control after fixation with two laterally crossed smooth K-wires (B). Salter–Harris type III injuries Approximately 25% of all ankle fractures are type III injuries. 40 The most common type III

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Nuno Corte-Real Department of Orthopaedics, Hospital de Cascais Dr. José de Almeida, Portugal

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João Caetano Department of Orthopaedics, Hospital de Cascais Dr. José de Almeida, Portugal

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previously said, an association with a Deltoid ligament lesion is highly predictive of an unstable injury. 45 The surgical options vary between a rigid fixation, with screws, and a dynamic fixation with suture-button-like materials. Screws have been the

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