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Original Research Article

Free Access

Uric Acid and Dementia in Community-Dwelling Older Persons

Ruggiero C.a · Cherubini A.a · Lauretani F.b · Bandinelli S.c · Maggio M.d · Di Iorio A.e · Zuliani G.f · Dragonas C.g · Senin U.a · Ferrucci L.h

Author affiliations

aInstitute of Gerontology and Geriatrics, University of Perugia, bTuscany Regional Health Agency, and cA.S.F. Geriatric Rehabilitation, Florence, dDepartment of Internal Medicine and Biomedical Sciences, University of Parma, eLaboratory of Clinical Epidemiology, University of Chieti, Chieti, fSection of Internal Medicine, Gerontology, and Geriatrics, University of Ferrara, Italy; gInstitute for Biomedicine of Aging, University of Erlangen-Nuremberg, Nuremberg, Germany; hLongitudinal Studies Section, National Institute on Aging, NIH, Baltimore, Md., USA

Corresponding Author

Carmelinda Ruggiero, MD, Institute of Geriatrics and Gerontology,

Department of Clinical and Experimental Medicine, University of Perugia

Ospedale S. Maria della Misericordia, Blocco A Piano 4, Piazzale Menghini 1

IT–06156 Perugia (Italy)

Tel. +39 075 5783 722, Fax +39 075 5730 259, E-Mail ruggieroc07@hotmail.it

Related Articles for ""

Dement Geriatr Cogn Disord 2009;27:382–389

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Background: The biological action of uric acid (UA) in humans is controversial. UA is considered an antioxidant compound, but preclinical evidence suggests a proinflammatory action. Epidemiological studies found that hyperuricemia is associated with conditions leading to dementia. Our aim is to investigate the relationship between UA levels and dementia in older persons. Methods: Cross-sectional study performed in 1,016 community-dwelling older persons participating in the InCHIANTI study. Participants underwent determination of circulating UA levels and neuropsychological evaluation. A multivariate logistic regression model was used to estimate the probability of participants belonging to the highest and middle UA tertile to be affected by dementia compared to those in the lowest tertile. Results: Demented persons had higher UA levels (p = 0.001) and the prevalence of persons affected by dementia increased across UA tertiles (p < 0.0001). Independent of several confounders, persons belonging to the highest UA tertile had a threefold (OR = 3.32; 95% CI: 1.06–10.42) higher probability to suffer from a dementia syndrome while those in the middle UA tertile tended to have a higher probability of being demented compared to those in the lowest tertile. Conclusion: In a population-based sample, high circulating UA levels are associated with an increased likelihood to be affected by a dementia syndrome.

© 2009 S. Karger AG, Basel

Article / Publication Details

First-Page Preview
Abstract of Original Research Article

Accepted: November 25, 2008
Published online: April 01, 2009
Issue release date: April 2009

Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 3

ISSN: 1420-8008 (Print)
eISSN: 1421-9824 (Online)

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

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