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| http://dx.doi.org/10.1016/j.ekir.2020.08.002 | DOI Listing |
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Relationship between Neovascularization and Aortic Wall Enhancement in Type A Aortic Dissection.
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Department of Pathology, The Jikei University School of Medicine, Tokyo, Japan.
Background: Aortic wall enhancement (AWE), evaluated with computed tomography angiography in Type B aortic dissection, is associated with aortic remodeling. This study aimed to evaluate the relationship between AWE and pathological findings of the aortic wall using an aortic wall sample from a Type A aortic dissection (TAD).
Methods: We examined patients with TAD treated between January 2012 and February 2023.
Frailty reduces penumbral volumes and attenuates treatment response in hyperacute ischemic stroke.
Age Ageing
November 2024
Department of Clinical Neurosciences, University of Cambridge, R3 Clinical Neurosciences (Box 83) Addenbrooke's Hospital Hills Road, Cambridge CB2 0QQ, UK.
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View Article and Find Full Text PDFDeep learning biomarker of chronometric and biological ischemic stroke lesion age from unenhanced CT.
NPJ Digit Med
December 2024
Department of Brain Sciences, Imperial College London, London, UK.
Article Synopsis
- Estimating the age of acute ischemic brain lesions is crucial for managing strokes effectively, and the best current method involves measuring the Relative Intensity of brain lesions using non-contrast CT scans.
- A new convolutional neural network-based model (CNN-R) was developed to improve lesion age estimation, trained on actual time from onset to scan and validated with extensive external datasets.
- The CNN-R model demonstrated significantly better accuracy in predicting lesion age and understanding early lesion growth compared to traditional methods, making it a valuable tool for stroke diagnosis.
Perihematomal oligemia is associated with progression to ischemia and poor outcome in a subset of patients with intracerebral hemorrhage.
Eur Radiol
December 2024
Department of Neurological and Vision Sciences, Neurology Unit, ASST Spedali Civili, Brescia, Italy.
Article Synopsis
- The study aimed to explore how perihematomal oligemia changes over time in patients with acute intracerebral hemorrhage (ICH), which is bleeding within the brain.
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- Results showed that a significant portion of patients with initial oligemia (47.3%) progressed to ischemia by day 7, indicating that perihematomal oligemia is not as harmless as previously thought and is linked to poorer outcomes.
Pre-hospital blood pressure lowering in presumed hyperacute stroke: A systematic review and meta-analysis of randomized controlled trials.
J Stroke Cerebrovasc Dis
November 2024
Faculty of Medicine, Tanta University, Tanta, Egypt.
Background: High blood pressure (BP) is common in acute stroke and a predictor of poor outcomes. Treatment of acute stroke, before a distinction can be made between ischemic and hemorrhagic types, is challenging. We aimed to assess whether patients with presumed acute stroke benefit from pre-hospital BP lowering.
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