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Table of Contents
Vol. 38, No. 1, 2012
Issue release date: January 2012
Section title: Original Paper
Free Access
Neuroepidemiology 2012;38:41–47

Characteristics of MR Infarcts Associated with Dementia and Cognitive Function in the Elderly

Aggarwal N.T.a · Schneider J.A.a · Wilson R.S.a · Beck T.L.a · Evans D.A.a · De Carli C.b
aRush University Medical Center, Chicago, Ill., and bUniversity of California at Davis, Sacramento, Calif., USA
email Corresponding Author

Neelum T. Aggarwal, MD

Rush Alzheimer’s Disease Center

600 South Paulina Avenue, Suite 1038

Chicago, IL 60612 (USA)

Tel. +1 312 942 2338, E-Mail Neelum_T_Aggarwal@rush.edu

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Background: Little information exists on the simultaneous effects of magnetic resonance (MR) infarct characteristics, that may increase the likelihood of dementia or lower cognitive function in community populations. Methods: Participants were 580 community-dwelling individuals from the Chicago Health and Aging Project (CHAP) who underwent detailed clinical evaluation and MR imaging. The association of MR infarct characteristics (region, number, side, and size) with dementia, global cognition and cognition in five separate cognitive domains was examined using logistic and linear regression analyses controlling for age, sex, race, education and time elapsed between clinical evaluation and MRI. Results: A total of 156 persons had MR infarcts: 108 with 1 infarct and 48 with multiple. Poorer cognitive function and, in particular, slower perceptual speed, were associated with infarcts characterized as cortical, multiple, bilateral or large (all p < 0.05). Multiple infarcts in multiple regions were associated with poor performance in all cognitive domains except visuospatial ability (p < 0.05). Race did not modify any of these associations. Conclusions: In this community sample, cortical and multiple infarcts in multiple regions were associated with dementia; cortical, multiple, large and bilateral infarcts were associated with lower cognition, particularly lower memory function and perceptual speed. These effects were not modified by race.

© 2011 S. Karger AG, Basel

Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: May 18, 2011
Accepted: October 07, 2011
Published online: December 17, 2011
Issue release date: January 2012

Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 5

ISSN: 0251-5350 (Print)
eISSN: 1423-0208 (Online)

For additional information: http://www.karger.com/NED

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