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3D CT to 2D X-ray image registration for improved visualization of tibial vessels in endovascular procedures.
Int J Comput Assist Radiol Surg
January 2025
Department of Medical Biophysics, University of Toronto, Toronto, Canada.
Purpose: During endovascular revascularization interventions for peripheral arterial disease, the standard modality of X-ray fluoroscopy (XRF) used for image guidance is limited in visualizing distal segments of infrapopliteal vessels. To enhance visualization of arteries, an image registration technique was developed to align pre-acquired computed tomography (CT) angiography images and to create fusion images highlighting arteries of interest.
Methods: X-ray image metadata capturing the position of the X-ray gantry initializes a multiscale iterative optimization process, which uses a local-variance masked normalized cross-correlation loss to rigidly align a digitally reconstructed radiograph (DRR) of the CT dataset with the target X-ray, using the edges of the fibula and tibia as the basis for alignment.
With Proper Surgical Indications, Sex-Based Differences in Pathology Do Not Impact Hip Arthroscopy Outcomes or Complications: A Systematic Review.
Arthroscopy
January 2025
American Hip Institute Research Foundation, Chicago, IL 60018. Electronic address:
Purpose: To identify sex-based differences in pathology, outcomes, and complications after hip arthroscopy for femoroacetabular impingement (FAI), and to compare patient-reported outcomes (PRO) scores between males and females.
Methods: The PubMed and MEDLINE databases were searched in September 2024, according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Included studies had data stratified by sex, minimum 2-year patient reported outcome (PRO) scores for hip arthroscopy in the setting of FAI and labral pathology, and a 2014 or later publication date.
Comprehensive characteristics of pulmonary antineutrophil cytoplasmic antibody-associated vasculitis and the development of a predictive nomogram for mortality.
Int Immunopharmacol
January 2025
Department of Pulmonary and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China; State Key Laboratory of Respiratory Health and Multimorbidity, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China. Electronic address:
Objectives: Antineutrophil cytoplasmic antibody (ANCA) associated vasculitis (AAV) is a rare and potential devastating disease with high mortality, frequently with pulmonary involvement. Our study aimed to explore the pulmonary features of AAV and identify predictors of long-term survival.
Methods: We retrospectively analyzed 538 AAV patients diagnosed between January 2013 and July 2019, with follow-up data extending to August 2020.
Analyzing the TotalSegmentator for facial feature removal in head CT scans.
Radiography (Lond)
January 2025
Department of Radiology, Charité Universitätsmedizin Berlin, Berlin, Germany; Berlin Institute of Health, Berlin, Germany.
Background: Facial recognition technology in medical imaging, particularly with head scans, poses privacy risks due to identifiable facial features. This study evaluates the use of facial recognition software in identifying facial features from head CT scans and explores a defacing pipeline using TotalSegmentator to reduce re-identification risks while preserving data integrity for research.
Methods: 1404 high-quality renderings from the UCLH EIT Stroke dataset, both with and without defacing were analysed.
Updates on Recent Advances in the Therapy of Adult Psoriatic Disease.
Curr Rheumatol Rev
January 2025
University of Toronto, Psoriatic Arthritis Program, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada.
Psoriatic arthritis (PsA) is a heterogeneous inflammatory disease with various joint and skin manifestations and multiple associated comorbidities. The management of PsA is important not only in controlling disease activity and preventing subsequent damage but also in improving the quality of life and reducing mortality. Over the years, numerous drugs have been introduced into the therapeutic armamentarium of the disease.
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