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Total 166 results found since Jan 2013.

Association of Coronary Artery Calcium Detected by Routine Ungated CT Imaging With Cardiovascular Outcomes
CONCLUSIONS: Incidental CAC ≥100 was associated with an increased risk of all-cause death and adverse cardiovascular outcomes, beyond traditional risk factors. DL-CAC from routine non-ECG-gated CTs identifies patients at increased cardiovascular risk and holds promise as a tool for opportunistic screening to facilitate earlier intervention.PMID:37704309 | DOI:10.1016/j.jacc.2023.06.040
Source: Atherosclerosis - September 13, 2023 Category: Cardiology Authors: Allison W Peng Ramzi Dudum Sneha S Jain David J Maron Bhavik N Patel Nishith Khandwala David Eng Akshay S Chaudhari Alexander T Sandhu Fatima Rodriguez Source Type: research

Development of a new body weight estimation method using head CT scout images
CONCLUSIONS: The presented new method is a potentially valuable support tool for medical staff, such as doctors and nurses, in estimating weight during emergency examinations for patients with acute conditions such as stroke when obtaining accurate weight measurements is not easily feasible.PMID:37545250 | DOI:10.3233/XST-230087
Source: Journal of X-Ray Science and Technology - August 7, 2023 Category: Radiology Authors: Tatsuya Kondo Manami Umezu Yohan Kondo Mitsuru Sato Tsutomu Kanazawa Yoshiyuki Noto Source Type: research

Improvement of diagnostic performance of hyperacute ischemic stroke in head CT using an image-based noise reduction technique with non-black-boxed process
To date, a variety of image-based noise reduction (INR) techniques for computed tomography (CT) have been reported. They are based on iterative processes or deep learning techniques. Some INR products using iterative processes are already commercially available and have been reported to exhibit noise reduction performance better than hybrid-type iterative reconstruction (HIR) in abdominal CT [1,2]. However, the details of the processes inside these commercial INR systems are usually proprietary and cannot be readily replicated outside.
Source: Physica Medica: European Journal of Medical Physics - August 5, 2023 Category: General Medicine Authors: Tetsuya Hirairi, Katsuhiro Ichikawa, Atsushi Urikura, Hiroki Kawashima, Takasumi Tabata, Tamaki Matsunami Source Type: research

Streamlined Carotid Artery Calcification Labeling For Cta Scans
Introduction: We require vast amounts of manually labeled calcifications to train advanced machine learning classifiers for carotid artery plaque detection and phenotyping high-risk calcifications for ischemic stroke patients. We developed CTOOL, a web-based software for streamlined calcium labeling with minimal user interaction.
Source: Journal of Cardiovascular Computed Tomography - July 1, 2023 Category: Radiology Authors: J. Kim, N. Arnett, J. Kotler, D. Shah, B. Cucchiara, J. Song, D. Haehn Source Type: research

Computed tomography angiography-based radiomics model for predicting carotid atherosclerotic plaque vulnerability
This study aimed to identify radiomic features associated with the neovascularization of CAP and construct a prediction model for CAP vulnerability based on radiomic features. CTA data and clinical data of patients with CAPs who underwent CTA and CEUS between January 2018 and December 2021 in Beijing Hospital were retrospectively collected. The data were divided into a training cohort and a testing cohort using a 7:3 split. According to the examination of CEUS, CAPs were dichotomized into vulnerable and stable groups. 3D Slicer software was used to delineate the region of interest in CTA images, and the Pyradiomics package...
Source: Frontiers in Neurology - June 16, 2023 Category: Neurology Source Type: research