Document Detail


Lenticulostriate arterial lumina are normal in cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy: a high-field in vivo MRI study.
MedLine Citation:
PMID:  20966419     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND AND PURPOSE: Cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a hereditary small vessel disease. Although postmortem studies have demonstrated mural thickening in leptomeningeal arteries and lenticulostriate perforating arteries, it is unclear whether this also leads to luminal narrowing. High-field MRI scanners enable in vivo imaging of the lumen of the lenticulostriate arteries. The aim of this study is to examine the luminal diameters of lenticulostriate arteries in living patients with CADASIL and to investigate whether luminal narrowing is correlated with the number of lacunar infarcts in the basal ganglia.
METHODS: Twenty-two NOTCH3 mutation carriers and 11 healthy control subjects were examined using high-resolution 3-dimensional time-of-flight MR angiography imaging on a 7-T MRI scanner. Scans were analyzed for the presence of focal stenotic segments. The total number, length, and total cross-sectional area of lenticulostriate arteries were measured and compared between mutation carriers and control subjects. These measurements were correlated with age, disease duration, and number of lacunar infarcts in the basal ganglia.
RESULTS: No stenotic segments were observed. No differences between mutation carriers and control subjects were found in total number of end branches (mutation carriers: mean, 14.6; control subjects: mean, 12.8), length of the lenticulostriate system, or total cross-sectional area of lenticulostriate artery lumina. Measurements of lenticulostriate artery lumina were not associated with lacunar infarct load in the basal ganglia area or with basal ganglia hyperintensities.
CONCLUSIONS: Three-dimensional time-of-flight MR angiographic on 7 T showed no differences in luminal diameters of lenticulostriate arteries between patients with CADASIL and control subjects.
Authors:
Michael K Liem; Jeroen van der Grond; Maarten J Versluis; Joost Haan; Andrew G Webb; Michel D Ferrari; Mark A van Buchem; Saskia A J Lesnik Oberstein
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-10-21
Journal Detail:
Title:  Stroke; a journal of cerebral circulation     Volume:  41     ISSN:  1524-4628     ISO Abbreviation:  Stroke     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-30     Completed Date:  2010-12-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0235266     Medline TA:  Stroke     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2812-6     Citation Subset:  IM    
Affiliation:
Department of Radiology, Leiden University Medical Center, ZA Leiden, The Netherlands. m.k.liem@lumc.nl
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MeSH Terms
Descriptor/Qualifier:
Adult
Age Factors
Aged
Anatomy, Cross-Sectional
Basal Ganglia / pathology
Basal Ganglia Cerebrovascular Disease / pathology*
CADASIL / epidemiology,  pathology*
Cerebral Arteries / pathology
Constriction, Pathologic
Female
Heterozygote
Humans
Magnetic Resonance Imaging
Male
Middle Aged
Mutation
Receptors, Notch / genetics
Chemical
Reg. No./Substance:
0/NOTCH3 protein, human; 0/Receptors, Notch

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