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Head CT Scan Motion Artifact Correction via Diffusion-Based Generative Models.
Appl Med Artif Intell (2024)
February 2025
Center for Advanced Medical Computing and Analysis, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA.
Head motion is a major source of image artifacts in head computed tomography (CT), degrading the image quality and impacting diagnosis. Image-domain-based motion correction is practical for routine use since it doesn't rely on hard-to-obtain CT projection data. However, existing convolutional neural network (CNN)-based methods tend to over-smooth images, particularly in cases of moderate to severe 3D motion artifacts.
View Article and Find Full Text PDFBackground And Aims: Alzheimer's disease (AD) is a widespread neurodegenerative condition that has a growing impact on a global scale. This study aims to examine the relationship between cerebral blood flow (CBF) and the synaptic biomarker growth-associated protein 43 (GAP-43) through the utilization of arterial spin labeling (ASL). The research identified noteworthy correlations between cerebrospinal fluid (CSF) GAP-43 levels, CBF, and cognitive composite scores, especially among participants with mild cognitive impairment (MCI) who possess the APOE-ε4 gene.
View Article and Find Full Text PDFUnraveling the impact of laser refractive surgery on corneal ectasia: an study.
Front Bioeng Biotechnol
February 2025
Aragon Institute of Research Engineering (I3A), Universidad de Zaragoza, Zaragoza, Spain.
Introduction: Laser refractive surgeries are a safe option for low-to-moderate refractive corrections, providing excellent visual outcomes. Over the years, various procedures have been introduced into clinical practice, but the most performed today remain Photorefractive Keratectomy (PRK), Laser Keratomileusis (LASIK), and Small Incision Lenticule Extraction (SMILE). Although laser refractive treatments are considered safe, clinicians have focused on the risk of post-surgical ectasia, a rare but serious complication.
View Article and Find Full Text PDFThe characteristics of brain function alterations in patients with chronic prostatitis/chronic pelvic pain syndrome across varying symptom severities evaluated by NIH-CPSI.
Front Neurosci
February 2025
Department of Urology, Huashan Hospital, Fudan University, Shanghai, China.
Background: Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is a prevalent condition in urology characterized by chronic pain. The pathogenesis of CP/CPPS remains unclear.
Methods: We enrolled 45 eligible CP/CPPS patients and 45 healthy volunteers.
Hip Arthroscopic Management for Patients With Subchondral Stress Fractures of the Femoral Head: A Case-Control Study.
Orthop J Sports Med
March 2025
Department of Orthopedic Surgery and Sports Medicine, Wakamatsu Hospital, University of Occupational and Environmental Health, Kitakyushu, Japan.
Background: A subchondral stress fracture of the femoral head (SSFFH) is managed with nonoperative treatment. There is a lack of knowledge regarding whether hip arthroscopic management is effective for active patients with SSFFHs.
Purpose: To elucidate whether arthroscopic management of SSFFHs enables active patients to return to sports activity.
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