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000278021 1001_ $$0P:(DE-2719)9002598$$aBauer, Tobias$$b0$$eFirst author
000278021 245__ $$aPortable ultra-low-field magnetic resonance imaging enables postictal seizure imaging.
000278021 260__ $$aOxford [u.a.]$$bWiley-Blackwell$$c2025
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000278021 520__ $$aThe detection of transient peri-ictal magnetic resonance imaging (MRI) abnormalities has been variable after epileptic seizures. The most common reason for this variability is that abnormalities may disappear if the interval between seizure and scan acquisition is prolonged using conventional high-field systems. Here, we deployed a portable ultra-low-field MRI system in the presurgical evaluation at the bedside of individuals with epilepsy. We hypothesized that this novel technology enables rapid postictal scans and reliably shows focal peri-ictal MRI abnormalities in the seizure onset zone. A .064-T Swoop Portable MR Imaging System was used. Postictally, an axial diffusion-weighted sequence was acquired. The interictal MRI consisted of the diffusion-weighted and three-dimensional T1-weighted sequences. Postictal-interictal difference maps of diffusion-weighted volumes were calculated. Three individuals were included. Two individuals with focal aware seizures scanned 29 s and 19 min after the seizure, respectively, showed focal restrictions in diffusivity in the seizure onset zone, and a third individual scanned 5 h 45 min after a focal to bilateral tonic-clonic seizure showed global restrictions of diffusivity. Portable ultra-low-field MRI opens a new line of inquiry with the aim to establish postictal seizure imaging as part of the presurgical evaluation of people with epilepsy.
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000278021 650_7 $$2Other$$acortical localization
000278021 650_7 $$2Other$$adiffusion imaging
000278021 650_7 $$2Other$$aepilepsy surgery
000278021 650_7 $$2Other$$afunctional neuroimaging
000278021 650_7 $$2Other$$aglobal epileptology
000278021 650_2 $$2MeSH$$aHumans
000278021 650_2 $$2MeSH$$aSeizures: diagnostic imaging
000278021 650_2 $$2MeSH$$aMale
000278021 650_2 $$2MeSH$$aFemale
000278021 650_2 $$2MeSH$$aMagnetic Resonance Imaging: instrumentation
000278021 650_2 $$2MeSH$$aMagnetic Resonance Imaging: methods
000278021 650_2 $$2MeSH$$aAdult
000278021 650_2 $$2MeSH$$aDiffusion Magnetic Resonance Imaging: methods
000278021 650_2 $$2MeSH$$aDiffusion Magnetic Resonance Imaging: instrumentation
000278021 650_2 $$2MeSH$$aYoung Adult
000278021 650_2 $$2MeSH$$aElectroencephalography
000278021 650_2 $$2MeSH$$aMiddle Aged
000278021 650_2 $$2MeSH$$aBrain: pathology
000278021 7001_ $$0P:(DE-2719)9000732$$aSabir, Hemmen$$b1$$udzne
000278021 7001_ $$00000-0001-5935-9841$$aBaumgartner, Tobias$$b2
000278021 7001_ $$aRácz, Attila$$b3
000278021 7001_ $$00000-0002-8280-6475$$aPukropski, Jan$$b4
000278021 7001_ $$aBadr, Mostafa$$b5
000278021 7001_ $$aOlbrich, Simon$$b6
000278021 7001_ $$aLange, Annalena$$b7
000278021 7001_ $$aBisten, Justus$$b8
000278021 7001_ $$aGroteklaes, Anne$$b9
000278021 7001_ $$aLehnen, Nils C$$b10
000278021 7001_ $$00000-0001-9336-9568$$aCendes, Fernando$$b11
000278021 7001_ $$0P:(DE-2719)9001861$$aRadbruch, Alexander$$b12$$udzne
000278021 7001_ $$aSurges, Rainer$$b13
000278021 7001_ $$00000-0002-6180-7671$$aRüber, Theodor$$b14$$eLast author
000278021 773__ $$0PERI:(DE-600)2002194-X$$a10.1111/epi.18273$$gVol. 66, no. 4, p. epi.18273$$n4$$pe60-e65$$tEpilepsia$$v66$$x0013-9580$$y2025
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