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Title

Neuroimaging in childhood arterial ischaemic stroke: evaluation of imaging modalities and aetiologies

Authors
Buerki, Sarah
Roellin, Katja
Remonda, Luca
Mercati, Danielle Gubser
Keller, Elmar
Luetschg, Juerg
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Published in Developmental Medicine and Child Neurology. 2010, vol. 52, no. 11, p. 1033-1037
Abstract AIM: The aim of this study was to describe neuroimaging patterns associated with arterial ischaemic stroke (AIS) in childhood and to differentiate them according to stroke aetiology. METHOD: Clinical and neuroimaging (acute and follow-up) findings were analysed prospectively in 79 children (48 males, 31 females) aged 2 months to 15 years 8 months (median 5 y 3 mo) at the time of stroke by the Swiss Neuropaediatric Stroke Registry from 2000 to 2006. RESULTS: Stroke was confirmed in the acute period in 36 out of 41 children who underwent computed tomography, in 53 of 57 who underwent T2-weighted magnetic resonance imaging (MRI) and in all 48 children who underwent diffusion-weighted MRI. AIS occurred in the anterior cerebral artery (ACA) in 63 participants and in all cases was associated with lesions of the middle cerebral artery (MCA). The lesion was cortical-subcortical in 30 out of 63 children, cortical in 25 out of 63, and subcortical in 8 of 63 children. Among participants with AIS in the posterior circulation territory, the stroke was cortical-subcortical in 8 out of 16, cortical in 5 of 16, and thalamic in 3 out of 16 children. INTERPRETATION: AIS mainly involves the anterior circulation territory, with both the ACA and the MCA being affected. The classification of Ganesan is an appropriate population-based classification for our Swiss cohort, but the neuroimaging pattern alone is insufficient to determine the aetiology of stroke in a paediatric population. The results show a poor correlation between lesion pattern and aetiology.
Keywords AdolescentBrain Infarction/etiology/pathologyBrain Ischemia/*diagnosis/*etiologyChildChild, PreschoolDiagnostic ImagingFemaleFollow-Up StudiesHumansInfantIntracranial Arterial Diseases/*complications/*diagnosisMaleRetrospective StudiesStroke/*diagnosis/*etiology
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PMID: 20477838
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Research group Groupe Menache Starobinski Caroline (881)
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BUERKI, Sarah et al. Neuroimaging in childhood arterial ischaemic stroke: evaluation of imaging modalities and aetiologies. In: Developmental Medicine and Child Neurology, 2010, vol. 52, n° 11, p. 1033-1037. https://archive-ouverte.unige.ch/unige:20816

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Deposited on : 2012-05-23

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