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Neurology. 2012 Mar 27;78(13):942-9. doi: 10.1212/WNL.0b013e31824d9655. Epub 2012 Mar 14.

Cognitive function and retinal and ischemic brain changes: the Women's Health Initiative.

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  • 1Departments of Epidemiology and Biostatistics, University of California, San Francisco, USA. Mary.Haan@ucsf.edu

Abstract

OBJECTIVE:

To examine the association between retinopathy and cognitive decline or brain lesions and volumes in older women.

METHODS:

This study included 511 women aged 65 and older who were simultaneously enrolled in the Women's Health Initiative Memory Study and the Sight Examination Study. In this analysis, we examined the link between retinopathy, assessed using fundus photography (2000-2002), cognitive performance over time assessed by the modified Mini-Mental State Examination (3MSE) (1996-2007), and white matter hyperintensities and lacunar infarcts in the basal ganglia.

RESULTS:

Presence of retinopathy was associated with poorer 3MSE scores (mean difference = 1.01, SE: 0.43) (p = 0.019) over a 10-year follow-up period and greater ischemic volumes in the total brain (47% larger, p = 0.04) and the parietal lobe (68% larger, p = 0.01) but not with measures of regional brain atrophy.

CONCLUSIONS:

The correspondence we found between retinopathy and cognitive impairment, along with larger ischemic lesion volumes, strengthens existing evidence that retinopathy as a marker of small vessel disease is a risk factor for cerebrovascular disease that may influence cognitive performance and related brain changes. Retinopathy may be useful as a clinical tool if it can be shown to be an early marker related to neurologic outcomes.

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PMID:
22422889
[PubMed - indexed for MEDLINE]
PMCID:
PMC3310310
Free PMC Article

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