Proving Utility of a New Field-cycling MRI Prototype in Acute Stroke Patients
Trial Parameters
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Brief Summary
The goal of this study is to test if a new type of MRI scanner, called Field-Cycling Imaging (FCI), can show changes in the brain within the first day of a stroke due to a blocked blood vessel or bleeding in the brain. The main question it aims to answer is: • Can FCI identify brain tissue that might recover within the first few hours after a stroke begins? Participants will undergo a standard MRI scan and an FCI scan, as soon as possible after hospital admission. Participants who have had a blocked blood vessel will also provide a blood sample and will have a follow up visit at 30 days for repeat of both scans and providing another blood sample.
Eligibility Criteria
Inclusion Criteria: * Acute stroke (\<24 hours from symptom onset). * NIHSS ≥4 and \<25 with cortical involvement and/or large vessel occlusion on baseline imaging. * Able to undergo 3T and FCI MRI \<24h of onset. * With or without thrombolysis. Exclusion Criteria: * Contraindications to MRI. * Medically unstable. * Unable to comprehend or comply with instructions regarding scanning * Prior mRS of \>3. * Identified for thrombectomy. * Non-stroke pathology or previous cortical infarct on CT scan \> 1/3 of middle cerebral artery territory.