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The role of omega6 to omega3 ratio in development and progression of age-related macular degeneration.
MedLine Citation:
PMID:  22220460     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
The aim of this study is to investigate possible connection between omega-6/omega-3 fatty acid ratio and development and progression of Age-Related Macular Degeneration (ARMD). We examined 125 patients diagnosed with ARMD and divided into 5 groups of 25 patients according to CARMS (Clinical Age-Related Maculopathy Staging System). Control group consists of 51 patients with similar ages, without ARMD. All of them underwent stereobiomicroscopy, fundus photography and fluorescein angiography. Dietary fatty acids intake was measured using food frequency questionnaire (FFQ). The FFQ was based on previously validated questionnaire (DIETQ, Tinuviel Software, Warington, Ches, UK) and FFQ2 from Blue MountainEye Study. The data were analysed using food nutritient dana from McCance and Widdowson's Food Composition Tables, supplemented with a food fatty acid content database (Foodbase, London, UK). We noticed statistically significant difference between omega-6/omega-3 ratio in neovascular ARMD (stage 5) and all other groups including control group (p = 0.000020). The ratio in Stage 5 was about 11:1 like in Western diet. Stage 4-geographic atrophy (GA) has statistically significant difference in o-mega-6/omega-3 ratio compared with stage 1 (p = 0.000571), stage 2 (p = 0.000112) and stage3 (p = 0.000430). The ratio in first three groups is about 7-7.5:1 (greater then Mediteran-4-5:1, but lower then Western Diet-10-20:1). There is no statistically significant difference between first three stages (p > 0.05) and stage 4 and control group (p = 0.172388). Omega-6/omega-3 ratio is connected with development of neovascular ARMD. Decreased ratio protects against neovascular ARMD. On the contrary, GA seems to be connected with prolonged sunlight exposure (the ratio is about 6:1). It is good to know that changing nutrition habits someone can prevent development of severe neovascular form of ARMD because intravitreal anti-VEGF therapy limitations.
Authors:
Tea Caljkusić Mance; Damir Kovacević; Zvjezdana Alpeza-Dunato; Maja Novak Stroligo; Gordana Brumini
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Collegium antropologicum     Volume:  35 Suppl 2     ISSN:  0350-6134     ISO Abbreviation:  Coll Antropol     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2012-01-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8003354     Medline TA:  Coll Antropol     Country:  Croatia    
Other Details:
Languages:  eng     Pagination:  307-10     Citation Subset:  IM    
Affiliation:
Department of Ophtalmology, Rijeka University Hospital Center, Rijeka, Croatia. teamance@hotmail.com
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