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Retinal microvascular abnormalities and cognitive function in Latino adults in Los Angeles.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Gatto, Nicole M. Varma, Rohit Torres, Mina Wong, Tien Y. Johnson, Pam L. Segal-Gidan, Freddi Mack, Wendy J.
Spatial Coverage	Los Angeles
Description	Country affiliation: United States Author Affiliation: Gatto NM ( Department of Epidemiology, School of Public Health, UCLA, Los Angeles, CA 90089-9010, USA.)
Abstract	PURPOSE: Retinal vessels may provide a readily accessible surrogate approach to study vascular disease in brain small vessels. Previous epidemiologic studies of retinal microvascular abnormalities and cognition have not included large numbers of Latinos who have a high prevalence of diabetes and hypertension. METHODS: We used data from 809 elderly Latino participants in the Los Angeles Latino Eye Study (LALES) to assess whether retinal vessel caliber and microvascular abnormalities are cross-sectionally associated with lower cognitive function. Cognitive screening was conducted with the Cognitive Abilities Screening Instrument-Short form (CASI-S) and in-depth testing with the Spanish English Neuropsychological Assessment Scales (SENAS). Retinal photographs were used to identify retinopathy signs and measure retinal vessel caliber. RESULTS: A total of 65.8% had high blood pressure, 34.5% had diabetes; self-reported diagnoses of heart attack, heart failure, angina and stroke were rare. Retinal calibers and any retinopathy were not associated with the CASI-S, total SENAS or any SENAS cognitive factors assessed as continuous variables. The odds of a low CASI-S score were two times higher in subjects with generalized arteriolar narrowing (OR = 2.04, 95% CI = 1.14, 3.66), and one and half times as high in those with both generalized arteriolar narrowing and retinopathy signs (OR = 1.49, 95% CI = 0.47, 4.75) though this result was based on only four cases with both risk factors and confidence limits were wide and included the null. CONCLUSION: Retinal microvasculature imaging may provide insights into small blood vessel influences on cognition in Latino populations. Additional studies in diverse populations and prospective settings are needed.
File Format	HTM / HTML
ISSN	09286586
e-ISSN	17445086
DOI	10.3109/09286586.2011.615452
Journal	Ophthalmic Epidemiology
Issue Number	3
Volume Number	19
Language	English
Publisher	Taylor & Francis
Publisher Date	2012-06-01
Publisher Place	Great Britain (UK)
Access Restriction	Open
Subject Keyword	Discipline Ophthalmology Discipline Epidemiology Cognition Disorders Ethnology Hispanic Americans Retinal Diseases Retinal Vessels Pathology Cardiovascular Diseases Diagnosis Diabetes Mellitus Educational Status Hypertension Los Angeles Epidemiology Neuropsychological Tests Risk Factors Research Support, N.i.h., Extramural
Content Type	Text
Resource Type	Article
Subject	Ophthalmology Epidemiology

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