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Source: Neuroradiology

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Total 256 results found since Jan 2013.

Automated MRI-based volumetry of basal ganglia and thalamus at the chronic phase of cortical stroke
ConclusionAutomated MR morphometry demonstrated atrophy of ipsilateral basal ganglia and thalamus at the chronic phase after cortical stroke in the MCA territory. The atrophy was related to stroke volume. These results confirm the potential role for automated MRI morphometry to assess remote changes after stroke.
Source: Neuroradiology - June 16, 2020 Category: Radiology Source Type: research

Completeness of the circle of Willis and risk of ischemic stroke in patients without cerebrovascular disease
Conclusions An incomplete anterior CoW combined with an incomplete posterior CoW is related to future anterior circulation stroke. CoW completeness has no large effect on the relation between asymptomatic ICA stenosis/occlusion and future stroke.
Source: Neuroradiology - September 10, 2015 Category: Radiology Source Type: research

Incremental value of plaque enhancement in predicting stroke recurrence in symptomatic intracranial atherosclerosis
ConclusionPlaque enhancement is independently associated with stroke recurrence in subjects with intracranial atherosclerosis and has added value to hemodynamic indicators in predicting stroke recurrence.
Source: Neuroradiology - April 16, 2020 Category: Radiology Source Type: research

Computed tomography perfusion as a diagnostic tool for seizures after ischemic stroke
Conclusion CTP may improve sensitivity and specificity of cortical involvement for post-stroke seizures compared to NCCT.
Source: Neuroradiology - March 9, 2016 Category: Radiology Source Type: research

The usefulness of diffusion-weighted/fluid-attenuated inversion recovery imaging in the diagnostics and timing of lacunar and nonlacunar stroke
Conclusions The presence of acute ischemic lesions only in DWI can help to identify both lacunar and nonlacunar stroke patients who are in the 4.5 h time window for intravenous thrombolysis with high specificity.
Source: Neuroradiology - September 30, 2014 Category: Radiology Source Type: research

Clinical and imaging features associated with intracranial internal carotid artery calcifications in patients with ischemic stroke
Conclusion ICAC burden reflects a continuum of atherosclerotic disease involving carotid arteries together with other craniocervical vascular beds. ICAC is significantly associated with stroke of large vessel or cardioembolic origin. This information might help the clinician in prioritizing etiologic work-up in the acute period.
Source: Neuroradiology - January 30, 2015 Category: Radiology Source Type: research

Non-stenotic intracranial arteries have atherosclerotic changes in acute ischemic stroke patients: a 3T MRI study
Conclusion In patients with acute ischemic stroke, wall thickening and positive remodeling are evident in non-stenotic intracranial arteries. This change is more definite in stroke subtype that is related to atherosclerosis than that in other subtypes which are not.
Source: Neuroradiology - July 22, 2015 Category: Radiology Source Type: research

Endovascular treatment decision-making in acute ischemic stroke patients with large vessel occlusion and low National Institutes of Health Stroke Scale: insights from UNMASK EVT, an international multidisciplinary survey
ConclusionDespite the limited evidence for endovascular therapy in acute stroke patients with low NIHSS, most physicians in this survey decided to proceed with endovascular therapy. A randomized controlled trial seems warranted.
Source: Neuroradiology - February 14, 2020 Category: Radiology Source Type: research

Rule-based natural language processing for automation of stroke data extraction: a validation study
ConclusionsRule-based NLP has a moderate to good performance for stroke-related data extraction from free-text imaging reports. The algorithm ’s accuracy was affected by inconsistent report styles and lexicon among reporting radiologists.
Source: Neuroradiology - November 9, 2022 Category: Radiology Source Type: research

Impact on etiology diagnosis by high-resolution vessel wall imaging in young adults with ischemic stroke or transient ischemic attack
ConclusionsHRVWI had a substantial impact on etiologic classification in young adults with ischemic stroke or TIA, particularly for those primarily classified as having SAO or SUE. This impact of HRVWI will be beneficial for therapeutic decision-making.
Source: Neuroradiology - May 10, 2023 Category: Radiology Source Type: research

Diffusion tensor imaging as a prognostic biomarker for motor recovery and rehabilitation after stroke
ConclusionRecovery of motor function probably involves remodeling of the CST proper and/or a greater reliance on alternative motor tracts through spontaneous and treatment-induced plasticity. DTI-metrics represent promising clinical biomarkers to predict motor recovery and to monitor and predict the response to neurorehabilitative interventions.
Source: Neuroradiology - March 13, 2017 Category: Radiology Source Type: research

CT perfusion in hyper-acute ischemic stroke: the acid test for COVID-19 fear
ConclusionThe results of CTP analysis provided a better insight in the higher prevalence of major severity stroke patients during the COVID-19 period.
Source: Neuroradiology - February 2, 2021 Category: Radiology Source Type: research

Prediction of long-term recurrent ischemic stroke: the added value of non-contrast CT, CT perfusion, and CT angiography
ConclusionData from CT imaging significantly improved the discriminatory performance and reclassification in predicting ischemic stroke recurrence beyond a model incorporating clinical risk factors only.
Source: Neuroradiology - March 17, 2021 Category: Radiology Source Type: research

Feasibility and diagnostic accuracy of using brain attenuation changes on CT to estimate time of ischemic stroke onset
ConclusionsIt is feasible to accurately estimate stroke onset time using simple attenuation measures of ischemic brain. Our method was most accurate 0 –9 h from onset and may be useful for treatment eligibility assessment, especially where imaging resources are limited.
Source: Neuroradiology - May 17, 2021 Category: Radiology Source Type: research

Clinical utility of arterial spin labeling perfusion images in the emergency department for the work-up of stroke-like symptoms
ConclusionIn patients presenting to the ED with acute stroke symptoms, ASL provides information not available with DWI alone. The NPV of ASL for evaluating patients with acute ischemia was 94%.
Source: Neuroradiology - October 18, 2021 Category: Radiology Source Type: research