| A posteriori-derived dietary patterns and retinal vessel caliber in an elderly population. | |
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MedLine Citation:
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PMID: 23322577 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: To examine the association between a posteriori-derived dietary patterns (DP) and retinal vessel caliber in an elderly population METHODS: This was a cross-sectional study of 288 elderly adults (> 65years) who participated in the European Eye study (EUREYE) Northern Irish cohort. DP were extracted using principal component analysis from completed food frequency questionnaires. Semi-automated computer grading was used to determine the mean retinal vessel diameters (central retinal arteriole equivalent [CRAE] and central retinal venule equivalent [CRVE]) from digitized visual field one images using a standard measurement protocol. RESULTS: Three major DP were identified in this population which accounted for 21% of the total variance: a 'healthy' pattern with high factor loadings for oily fish, fruits and vegetables and olive oil, an 'unhealthy' pattern with high factor loadings for red and processed meat, refined grains, eggs, butter, sugar and sweets and a 'snack and beverage' pattern with high factor loading for pizza, nuts and coffee. Multivariable linear regression analysis indicated no significant association between major identified DP and mean CRAE or CRVE in all models. CONCLUSIONS: This is the first study to investigate associations between a posteriori-derived DP and retinal vessel caliber. There was no evidence of a relationship between extracted DP and retinal vessel measurements in this population. However, it is possible that potentially important relationships exist between single nutrients or foods and vessel diameters that cannot be identified using a DP approach. Further studies to examine the role of dietary factors in the microcirculation are required. |
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Authors:
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Claire T McEvoy; Christopher R Cardwell; Usha Chakravarthy; Ruth E Hogg; Michelle C McKinley; Ian S Young; Astrid E Fletcher; Jayne V Woodside |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-15 |
Journal Detail:
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Title: Investigative ophthalmology & visual science Volume: - ISSN: 1552-5783 ISO Abbreviation: Invest. Ophthalmol. Vis. Sci. Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7703701 Medline TA: Invest Ophthalmol Vis Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Nutrition and Metabolism Group, Queen's University Belfast, Centre for Public Health, United Kingdom. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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