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Abnormalities of Cerebral Deep Medullary Veins on 7 Tesla MRI in Amnestic Mild Cognitive Impairment and Early Alzheimer's Disease : A Pilot Study

By Willem H Bouvy, Hugo J Kuijf, Jaco J M Zwanenburg, Huiberdina L Koek, L Jaap Kappelle, Peter R Luijten, M Kamran Ikram and Geert Jan Biessels

Abstract

Cerebral small vessel disease (SVD) contributes to cognitive impairment and dementia. SVD may affect veins, but veins are difficult to detect with 1.5 and 3T MRI. We compared deep medullary veins (DMVs) visualized on 7T-MRI between patients with early Alzheimer's disease (eAD; n = 17) or amnestic MCI (aMCI; n = 12) and controls (n = 40). The number and density of DMVs was similar in patients and controls, but tortuosity was higher in eAD (Cohen's d=0.7, 95% CI: 0.1-1.2, p=0.02) and aMCI (Cohen's d = 0.8, 95% CI: 0.2-1.5, p = 0.01), independent of brain atrophy. Venous changes provide a new perspective on vascular involvement in dementia

Topics: Alzheimer's disease, cerebral small vessel disease, cerebral veins, magnetic resonance imaging, Clinical Psychology, Geriatrics and Gerontology, Psychiatry and Mental health, Journal Article
Year: 2017
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Provided by: NARCIS
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