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Micro-CT Assessment During Embedding of Prototype Ti Alloy Multi-Spiked Connecting Scaffold in Subchondral Trabecular Bone of Osteoarthritic Femoral Heads, Depending on Host BMI.
J Funct Biomater
December 2024
Adult Spine Orthopaedics Department, W. Dega Orthopaedic and Rehabilitation Clinical Hospital, Poznan University of Medical Sciences, 28 Czerwca 1956 Street 135/147, 61-545 Poznan, Poland.
The prototype of a biomimetic multi-spiked connecting scaffold (MSC-Scaffold) represents an essential innovation in the fixation in subchondral trabecular bone of components for a new generation of entirely cementless hip resurfacing arthroplasty (RA) endoprostheses. In designing such a functional biomaterial scaffold, identifying the microstructural and mechanical properties of the host bone compromised by degenerative disease is crucial for proper post-operative functioning and long-term maintenance of the endoprosthesis components. This study aimed to explore, depending on the occurrence of obesity, changes in the microstructure and mechanical properties of the subchondral trabecular bone in femoral heads of osteoarthritis (OA) patients caused by the MSC-Scaffold embedding.
View Article and Find Full Text PDFHigh Fracture Risk of Femoral Bone Metastasis Treated with Palliative Radiotherapy in Recent Years.
Curr Oncol
November 2024
Department of Radiation Oncology, National Cancer Center Hospital East, Kashiwa 277-8577, Chiba, Japan.
Bone-modifying agents (BMAs) have been widely used to reduce skeletal-related events, including pathological fractures. Herein, we aimed to clarify the incidence of pathological fractures caused by high-risk femoral bone metastases after palliative radiotherapy (RT) in the BMA era and evaluate the necessity of prophylactic surgical stabilization. We assessed 90 patients with high-risk femoral bone metastases, indicated by Mirels' scores ≥ 8, without pathological fractures and surgical fixations, who received palliative RT at our institution between January 2009 and December 2018.
View Article and Find Full Text PDFSurvey of Orthopedic Surgeons' Perceptions of Adopting an Initiative With Cemented Hip Hemiarthroplasties for Fractures.
Perm J
December 2024
School of Medicine and Health Sciences, The George Washington University, Washington, DC, USA.
Introduction: Hip hemiarthroplasty is a surgical procedure that requires the adhesion of the prosthetic implant by utilizing a fixation technique, either cemented or noncemented. The current literature does not provide a clear recommendation on a superior technique, although many countries outside the US have guidelines recommending cemented over noncemented procedures. Further, surgeon perceptions and beliefs related to the cemented and noncemented techniques in hip arthroplasty fractures are generally unknown.
View Article and Find Full Text PDFFinite element analysis of modified pedicle screw fixation and traditional lumbopelvic fixation for the treatment of sacroiliac joint disruption.
BMC Musculoskelet Disord
December 2024
Department of Orthopaedics, Seventh People's Hospital of Shanghai University of TCM, Shanghai, 200137, China.
Introduction: The modified pedicle screw fixation (PSF) was designed to simulate an integrated framework structure to ameliorate the resistance to vertical and shearing forces of the disrupted sacroiliac complex, and the aim of this study was to compare the biomechanical characteristics of PSF and traditional lumbopelvic fixation (LPF) for the treatment of sacroiliac joint disruption.
Methods: The digital computer simulation model of an intact spine-pelvis-femur complex with main ligaments was built from clinical images. A left sacroiliac joint disruption model was mimicked by removing the concerned ligaments.
Superolateral capsule pathway: a new arthroscopic viewing approach for spotting femoral fixation device in anterior cruciate ligament reconstruction.
BMC Musculoskelet Disord
December 2024
Sports Medicine Institution of Orthopaedics, The First Affiliated Hospital of Air Force Military Medical University, Xi'an, 710000, China.
Background: This study aimed to describe the arthroscopic superlateral capsule pathway technique for spotting femoral fixation device deployment, and to compare the results with normal procedure.
Methods: A total of 69 patients underwent ACLR (Anterior Cruciate Ligament Reconstruction) with or without the SCP (superolateral capsule pathway) during procedure were retrospectively selected and evaluated. A total of 36 patients underwent SCP and 33 patients underwent ACLR without SCP.
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