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Facet joint tropism in degenerative lumbar scoliosis: a retrospective case-control study.
Spine Deform
January 2025
Gastroenterology and Hepatology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran.
Background: To investigate the association between lumbar degenerative scoliosis and the dural sac cross-sectional area (DSCA), the lumbar canal anterior-posterior (LCAP) diameter, and the neural foraminal cross-sectional area (NFCA) in relation to facet joint tropism (FJT).
Methods: In a retrospective case-control study, we analyzed data from 160 patients referred for lumbar magnetic resonance imaging (MRI) between January 2020 and December 2022. Cobb's angle on anteroposterior lumbosacral X-ray is served to identify the presence of degenerative lumbar scoliosis-Cobb's angle exceeding 10 degrees-, and axial T2W MRI is implemented to evaluate facet joint angles and tropism-defined as a difference exceeding 10 degrees between the facet joint angles at each level-, DSCA, LCAP, and NFCA.
Review of surgical methods for stabilizing the lumbosacral spine in dogs with chronic L7-S1 instability.
Vet Res Commun
January 2025
Department of Biomaterials and Medical Devices Engineering, Faculty of Biomedical Engineering, Silesian University of Technology, Roosevelta 40, Zabrze, 41-800, Poland.
Chronic instability at the lumbosacral junction, particularly between the L7 vertebra and the sacral bone, presents significant challenges in veterinary orthopedics, especially for large breed dogs. This condition frequently results in severe pain, neurological deficits, and mobility impairments, prompting the development of various surgical techniques aimed at effectively stabilizing the affected area. A critical evaluation of the literature on surgical stabilization of the lumbosacral spine in dogs reveals the clinical applications, outcomes, and future directions in veterinary spinal surgery.
View Article and Find Full Text PDFPosterior Ligamentum Complex Preservation Alleviate ASD-Related Biomechanical Deterioration in Lumbar Interbody Fusion Models: A Finite Element Analysis.
JOR Spine
March 2025
Department of Orthopedics, Luzhou Key Laboratory of Orthopedic Disorders, The Affiliated Traditional Chinese Medicine Hospital Southwest Medical University Luzhou Sichuan Province People's Republic of China.
Background: There are differences in the extent of excision of articular processes, spinal processes and posterior ligamentum complexes (PLC) for posterior approach lumbar interbody fusion. Given that the biomechanical significance of these structures has been verified and that deterioration of the biomechanical environment is the main trigger for complications in both fused and adjacent motion segments, changes in decompression ranges may affect the potential risk of adjacent segmental disease (ASD) biomechanically; however, this topic has yet to be identified.
Methods: Posterior lumbar interbody fusion (PLIF) with different decompression strategies was simulated in a well-validated lumbosacral model.
Lateral Transpsoas Interbody Fusion.
Int J Spine Surg
January 2025
Ronald DeWald Endowed Professor of Spinal Deformities, Rush University Medical Center, Chicago, IL, USA.
The lateral transpsoas approach to lumbar interbody fusion has gained widespread adoption for a variety of indications. This approach to the interbody space allows for a favorable fusion environment, disc and neuroforaminal height restoration, and powerful alignment correction. Despite its minimally invasive nature, this procedure carries unique risks, the most severe of which include bowel injury, major vascular injury, and lumbosacral plexopathy.
View Article and Find Full Text PDFEffects of pain in lumbosacral stenosis and lifestyle-related factors on brain-derived neurotrophic factor expression profiles.
Mol Pain
January 2025
Collegium Medicum, WSB University, Dabrowa Gornicza, Poland.
This study investigated the role of brain-derived neurotrophic factor (BDNF) in patients with degenerative lumbar stenosis, focusing on its expression and correlation with pain intensity. The study examined 96 patients with lumbar stenosis and 85 control participants. BDNF levels in the yellow ligamentum flavum were measured using reverse transcription quantitative polymerase chain reaction (RT-qPCR), enzyme-linked immunosorbent assay (ELISA), and western blot analysis.
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