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Diffusion-weighted imaging in stroke attributable to internal carotid artery dissection : the significance of vessel patency

Bonati, L. H. and Wetzel, S. G. and Gandjour, J. and Baumgartner, R. W. and Lyrer, P. A. and Engelter, S. T.. (2008) Diffusion-weighted imaging in stroke attributable to internal carotid artery dissection : the significance of vessel patency. Stroke, Vol. 39, H. 2. pp. 483-485.

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Official URL: http://edoc.unibas.ch/dok/A6007822

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Abstract

BACKGROUND AND PURPOSE: In stroke attributable to spontaneous dissection of the internal carotid artery (sICAD), arterial patency may influence the pattern and extent of cerebral ischemia. METHODS: In 40 consecutive patients with stroke caused by sICAD, we compared the number, size and pattern of cerebral diffusion-weighted imaging lesions between patients with stenotic sICAD (n=15) and occlusive sICAD (n=25). RESULTS: Patients with stenotic sICAD had more ischemic lesions (median 5, interquartile range 1 to 10) than patients with occlusive sICAD (2, 1 to 3; P=0.014). Lesion diameters were larger in occlusive sICAD (62, 50 to 99 mm) than in stenotic sICAD (25, 10 to 50 mm; P=0.007). Border-zone infarction occurred only in stenotic sICAD (7/15, 47%). Most patients with occlusive sICAD had territorial infarcts (22/25, 88%). CONCLUSIONS: In stroke attributable to sICAD, diffusion-weighted imaging characteristics may be influenced by the patency of the carotid artery. Differences in the pathogenesis of cerebral ischemia might exist between patients with stenotic and those with occlusive sICAD.
Faculties and Departments:03 Faculty of Medicine > Bereich Querschnittsfächer (Klinik) > Ehemalige Einheiten Querschnittsfächer (Klinik) > Medizinische Radiologie (Steinbrich)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Querschnittsfächer (Klinik) > Ehemalige Einheiten Querschnittsfächer (Klinik) > Medizinische Radiologie (Steinbrich)
03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Neurologie
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Neurologie
UniBasel Contributors:Lyrer, Philippe A. and Wetzel, Stephan G. and Engelter, Stefan
Item Type:Article, refereed
Article Subtype:Further Journal Contribution
Bibsysno:Link to catalogue
Publisher:American Heart Association
ISSN:0039-2499
Note:Publication type according to Uni Basel Research Database: Journal item
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Last Modified:23 May 2014 08:34
Deposited On:23 May 2014 08:34

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