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Two-year radiological outcome of adult spinal deformity treated with lumbar pedicle subtraction osteotomy or posterior lumbar interbody fusion. A propensity score-matched analysis.
World Neurosurg
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Spine Unit, Department of Orthopedic Surgery, Rigshospitalet, Copenhagen University Hospital, Inge Lehmanns Vej 6, 2100 Copenhagen, Denmark.
Study Design: Retrospective cohort study OBJECTIVES: The purpose of this study was to compare the 2-year radiological outcome and revision rates in patients with ASD treated with either PSO or PLIF, when PLIF was used to improve sagittal balance.
Methods: In 2016, PLIF was introduced at our institution as an alternative method when restoring lumbar lordosis. We analyzed two cohorts of patients with ASD undergoing either: PSO in 2010-2015 or PLIF in 2016-2020, retrospectively.
Bullet characterization using Photon-Counting detector CT: A phantom study with intact bullets.
Eur J Radiol
December 2024
Department of Radiology and Nuclear Medicine, Maastricht University Medical Centre+, PO Box 5800, 6202 AZ Maastricht, the Netherlands; Mental Health and Sciences (MHeNs) Research Institute, Maastricht University, PO Box 616, 6200 MD Maastricht, the Netherlands.
Objectives: Photon-counting detector CT (PCD-CT) is expected to substantially improve and expand CT-imaging applicability due to its intrinsic spectral capabilities, increased spatial resolution, reduced electronic noise, and improved image contrast. The current study aim is to evaluate PCD-CT efficacy in characterizing bullets based on their dimensions, shape, and material composition.
Materials And Methods: This is an observational phantom study examining 11 unfired, intact bullets of various common calibers, placed in ballistic gelatin.
Impairment of white matter microstructure and structural network in patients with systemic lupus erythematosus.
Semin Arthritis Rheum
December 2024
Department of Rheumatology and Immunology, First Affiliated Hospital of Kunming Medical University, Kunming, China. Electronic address:
Objective: The study aimed to investigate the damage of white matter (WM) microstructure and structural network in patients with systemic lupus erythematosus (SLE) using diffusion tensor imaging.
Methods: Tract-based spatial statistics (TBSS) were used to compare the difference in WM fractional anisotropy (FA) between SLE and HCs groups. The differences in WM networks between groups are compared using graph theory.
Comparing supine CT scanogram and standing long-leg radiograph for postoperative alignment in total knee arthroplasty: a prospective study.
Arch Orthop Trauma Surg
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Sitaram Bhartia Institute of Science and Research, New Delhi, India.
Purpose: Achieving precise postoperative alignment is critical for the long-term success of total knee arthroplasty (TKA). Long-leg standing radiograph (LLR) at 6 weeks post-op is the gold standard for assessing alignment, but its reliance on weight-bearing and positioning makes it less practical in the early postoperative period. Supine computed tomography scanogram (CTS) offers a potential alternative.
View Article and Find Full Text PDFComparison of Marker-Based RSA and CT-RSA for Analyzing Micromotions After Distal Radius Osteotomy: A 1-Year Retrospective Study of 24 Patients.
J Orthop Res
December 2024
Department of Orthopedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Radiostereometric Analysis (RSA) is the most accurate method for determining early micromotions of orthopedic implants. Computed Tomography Radiostereometric Analysis (CT-RSA) is a method that can be used to determine implant and bone micromovements using low-dose CT scans. This study aimed to evaluate the reliability of the CT-RSA method in measuring the interfragmental mobility in patients who have undergone a correction osteotomy due to a malunited distal radius fracture.
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