DWI-FLAIR Mismatch at MRI Versus Infarct-Penumbra Mismatch on CT Perfusion
نویسندگان
چکیده
منابع مشابه
CT-NIHSS mismatch does not correlate with MRI diffusion-perfusion mismatch.
BACKGROUND AND PURPOSE MRI diffusion-perfusion mismatch may identify patients for thrombolysis beyond 3 hours. However, MRI has limited availability in many hospitals. We investigated whether mismatch between the Alberta Stroke Program Early CT Score (ASPECTS) and the NIH Stroke Scale (NIHSS) correlates with MRI diffusion-perfusion mismatch. METHODS We retrospectively analyzed a cohort of con...
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BACKGROUND AND PURPOSE Our purpose was to determine (1) the correlation between quantitative CT and MR measurements of infarct core, penumbra, and mismatch; and (2) whether the difference between these measurements would alter patient selection for stroke clinical trials. METHODS We studied 45 patients with acute middle cerebral artery stroke imaged a mean of 3.8 hours after onset (range, 0.4...
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BACKGROUND AND PURPOSE Standard selection criteria for revascularization therapy usually exclude patients with unclear-onset stroke. Our aim was to evaluate the efficacy and safety of revascularization therapy in patients with unclear-onset stroke in the anterior circulation and to identify the predictive factors for favorable clinical outcome. MATERIALS AND METHODS We retrospectively analyze...
متن کاملDiffusion- and perfusion-weighted MRI. The DWI/PWI mismatch region in acute stroke.
BACKGROUND AND PURPOSE Diffusion-weighted imaging (DWI) and perfusion-weighted imaging (PWI) are relatively new MR techniques increasingly used in acute stroke. During the first hours of stroke evolution, the regions with abnormal perfusion are typically larger than the DWI lesions, and this mismatch region has been suggested to be "tissue at risk." The aim of this study was to evaluate the PWI...
متن کاملDiffusion- and perfusion-weighted MRI: influence of severe carotid artery stenosis on the DWI/PWI mismatch in acute stroke.
BACKGROUND AND PURPOSE Diffusion-weighted imaging (DWI) and perfusion-weighted imaging (PWI) have been used increasingly in recent years to evaluate acute stroke in the emergency setting. In the present study, we compared DWI and PWI findings in acute stroke patients with and without severe extracranial internal carotid artery (ICA) disease. METHODS Twenty-seven patients with nonlacunar ische...
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ژورنال
عنوان ژورنال: Journal of the Belgian Society of Radiology
سال: 2019
ISSN: 2514-8281
DOI: 10.5334/jbsr.1906