The clinical features of a superior dislocation of the glenohumeral joint are described. Reposition, even under general anaesthesia, cannot be achieved. Associated supraspinatus tear, acromioclavicular separation and the dislocated position of the humeral head can be clearly visualized.
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http://dx.doi.org/10.1007/BF00393723 | DOI Listing |
J Orthop Surg Res
December 2024
Center for Joint Surgery, Southwest Hospital, Army Medical University, Gaotanyan Street, Shapingba District, Chongqing, 400038, China.
Purpose: This study aims to investigate the suitable surgical strategies for applying TaBw01 porous tantalum rod across different stages of osteonecrosis of the femoral head (ONFH).
Methods: TaBw01 tantalum rods were fabricated using type FTaY-1 tantalum powder via the foam impregnation-sintering method. Mechanical testing with the Instron 8801 universal testing machine and finite element analysis (FEA) assessed single tantalum rod implantation and impaction bone grafting combined with rod implantation.
Bone Joint J
January 2025
Musculoskeletal Tumor Section, Department of Orthopedic Surgery, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark.
Aims: Dislocation is a major concern following total hip arthroplasty (THA) for osteoarthritis (OA). Both dual-mobility components and standard acetabular components with large femoral heads are used to reduce the risk of dislocation. We investigated whether dual-mobility components are superior to standard components in reducing the two-year dislocation and revision risk in a propensity-matched sample from the Danish Hip Arthroplasty Register (DHR).
View Article and Find Full Text PDFJ Orthop Surg Res
December 2024
Department of Orthopedics, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China.
Background: The primary aim of this study was to quantitatively analysis the acetabular morphological feature and 2D/3D coverage of the Crowe IV DDH hip, dividing into subgroups by the false acetabulum. The secondary aim was to propose a 3D bone mapping to determine acetabular bone defect analysis from the perspective of the implanted simulation.
Methods: A total of 53 Crowe IV hips (27 hips without the false acetabulum in IVa group and 26 hips in IVb group) and 40 normal hips met the inclusion criteria and were retrospectively evaluated.
Georgian Med News
October 2024
Worthing Hospital, University Hospitals Sussex NHS Foundation Trust, United Kingdom.
Background: Bennett's fracture, a fracture-dislocation of the base of the first metacarpal, poses significant challenges due to the unique biomechanics of the thumb's carpometacarpal (CMC) joint. Effective management is critical to restoring thumb function and preventing long-term complications such as arthritis and instability.
Objective: This article provides a comprehensive overview of Bennett's fracture, including its mechanism of injury, diagnostic considerations, and management strategies, with a focus on conservative and surgical options.
Eur J Orthop Surg Traumatol
December 2024
University of Washington Department of Orthopaedic Surgery and Sports Medicine, 1959 NE Pacific St, Seattle, WA, 98195, USA.
Purpose: To assess the rate of heterotopic ossification (HO) following acetabular surgery with a standardized protocol via the Kocher-Langenbeck. Secondarily, to evaluate patient characteristics, injury variables, and perioperative data among patients with HO and no HO.
Methods: This was a retrospective case series from an academic Level I trauma center.
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