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Finite 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.
An examination of commingled first tarsometatarsal and atlantoaxial joints by deviation analysis.
J Forensic Sci
December 2024
Harris County Institute of Forensic Sciences, Houston, Texas, USA.
This study follows up on previous research conducted by Litavec (J Forensic Sci., 68, 2023, 1780) on sorting commingled sacroiliac joints using deviation analysis. In the present report, the results of this technique are expanded to separating commingled first tarsometatarsal and atlantoaxial joints.
View Article and Find Full Text PDFInvestigation of the molecular mechanism of quercetin in inhibiting ankylosing spondylitis ossification via the bone morphogenetic protein/smad signaling pathway.
Med Mol Morphol
December 2024
Graduate School, Tianjin Medical University, Tianjin, 300070, China.
Ankylosing spondylitis (AS) is a chronic inflammatory disease involving the spine and bone joints, which is characterized by hyperosteogeny, ossification of ligaments, and ankylosis. Quercetin is a natural polyphenolic compound with various biological activities such as antioxidant, anti-inflammatory, and anti-tumor. It was to explore the effect of quercetin on AS ossification and its molecular mechanism.
View Article and Find Full Text PDFAnatomy-centred deep learning improves generalisability and progression prediction in radiographic sacroiliitis detection.
RMD Open
December 2024
Department of Gastroenterology, Infectious Diseases and Rheumatology (incl. Nutrition Medicine), Charite - Universitatsmedizin Berlin, Berlin, Germany.
Purpose: To examine whether incorporating anatomy-centred deep learning can improve generalisability and enable prediction of disease progression.
Methods: This retrospective multicentre study included conventional pelvic radiographs of four different patient cohorts focusing on axial spondyloarthritis collected at university and community hospitals. The first cohort, which consisted of 1483 radiographs, was split into training (n=1261) and validation (n=222) sets.
Sacroiliac Joint: Function, Pathology, Treatment, and Contribution to Outcomes in Spine and Hip Surgery.
J Bone Joint Surg Am
December 2024
Division of Orthopedic Surgery, The Ottawa Hospital, Ottawa, Ontario, Canada.
➢ Low back pain has a lifetime incidence of up to 84% and represents the leading cause of disability in the United States; 10% to 38% of cases can be attributed to sacroiliac joint (SIJ) dysfunction as an important pain generator.➢ Physical examination of the SIJ, including >1 provocation test (due to their moderate sensitivity and specificity) and examination of adjacent joints (hip and lumbar spine) should be routinely performed in all patients presenting with low back, gluteal, and posterior hip pain.➢ Radiographic investigations including radiographs, computed tomography, and magnetic resonance imaging with protocols optimized for the visualization of the SIJs may facilitate the diagnosis of common pathologies.
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