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      Dietary omega-3 LCPUFA intake in the prevention of neovascular age-related macular degeneration: a systematic review and meta-analysis Translated title: La ingesta de AGPICL omega-3 en la prevención de la degeneración macular neovascular relacionada con la edad: revisión sistemática y metaanálisis

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          Abstract

          Abstract Purpose: to evaluate the protective effect of omega-3 long-chain unsaturated fatty acids on the progression of wet age-related macular degeneration (wAMD). Methods: this meta-analysis was designed, implemented, and analyzed in accordance with the Meta-analysis of Observational Studies in Epidemiology (MOOSE) protocol and is reported following PRISMA guidelines. Results: in this study we included 5 observational trials, including 2 cross-sectional studies, 2 case-control studies, and 1 confrontation study. These tests are conducted in the U.S., Europe and Japan, and are of high quality. In general, people with high dietary long-chain omega-3 polyunsaturated fatty acids (omega-3 LCPUFAs) have a lower risk of progression to advanced age-related macular degeneration (AMD) (effect size, ES: 0.51, 95 % CI [0.34, 0.75], I2 = 70 %, p = 0.01). When assessing docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) intake and wAMD risk a total of the three above studies were included, which also produced similar results. Conclusions: the highest DHA consumption reduced the risk of disease by 39 % (effect size: 0.61, 95 % CI [0.50, 0.74], I2 = 14 %, p = 0.31); compared with the lowest EPA consumption, the highest EPA consumption reduced the risk of wAMD by 32 % (ES: 0.68, 95 % CI [0.57, 0.82], I2 = 39 %, p = 0.20).

          Translated abstract

          Resumen Propósito: evaluar el efecto protector de los AGPICL omega-3 sobre la degeneración macular húmeda asociada a la edad (DMAE). Métodos: este metaanálisis fue diseñado, implementado y analizado de acuerdo con el protocolo de Metaanálisis de Estudios Observacionales en Epidemiología (MOOSE) y se informa siguiendo las directrices de PRISMA. Resultados: en este estudio se incluyeron 5 ensayos observacionales, entre ellos 2 estudios transversales, 2 estudios de casos y controles y 1 estudio de confrontación. Estos ensayos se realizan en Estados Unidos, Europa y Japón y son de alta calidad. En general, las personas con una dieta alta en ácidos grasos poliinsaturados de cadena larga (AGPICL omega-3) tienen un menor riesgo de progresión hacia la degeneración macular avanzada relacionada con la edad (DMAE) (tamaño del efecto, ES: 0,51, IC 95 % [0,34, 0,75], I2 = 70 %, p = 0,01). Al evaluar la ingesta de ácido docosahexaenoico (DHA) y ácido eicosapentaenoico (EPA) y el riesgo de DMAE se incluyeron en total tres de los estudios anteriores, que también arrojaron resultados similares. Conclusiones: el mayor consumo de DHA redujo el riesgo de enfermedad en un 39 % (tamaño del efecto: 0,61, IC del 95 % [0,50, 0,74], I2 = 14 %, p = 0,31); en comparación con el menor consumo de EPA, el mayor consumo de EPA redujo el riesgo de wAMD en un 32 % (ES: 0,68, IC del 95 % [0,57, 0,82], I2 = 39 %, p = 0,20).

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          Age-related macular degeneration.

          Age-related macular degeneration is a major cause of blindness worldwide. With ageing populations in many countries, more than 20% might have the disorder. Advanced age-related macular degeneration, including neovascular age-related macular degeneration (wet) and geographic atrophy (late dry), is associated with substantial, progressive visual impairment. Major risk factors include cigarette smoking, nutritional factors, cardiovascular diseases, and genetic markers, including genes regulating complement, lipid, angiogenic, and extracellular matrix pathways. Some studies have suggested a declining prevalence of age-related macular degeneration, perhaps due to reduced exposure to modifiable risk factors. Accurate diagnosis combines clinical examination and investigations, including retinal photography, angiography, and optical coherence tomography. Dietary anti-oxidant supplementation slows progression of the disease. Treatment for neovascular age-related macular degeneration incorporates intraocular injections of anti-VEGF agents, occasionally combined with other modalities. Evidence suggests that two commonly used anti-VEGF therapies, ranibizumab and bevacizumab, have similar efficacy, but possible differences in systemic safety are difficult to assess. Future treatments include inhibition of other angiogenic factors, and regenerative and topical therapies. Copyright © 2012 Elsevier Ltd. All rights reserved.
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            Risk factors associated with age-related macular degeneration. A case-control study in the age-related eye disease study: Age-Related Eye Disease Study Report Number 3.

            (2000)
            To investigate possible risk factors for age-related macular degeneration (AMD) in participants in the Age-Related Eye Disease Study (AREDS). Case-control study. Of the 4757 persons enrolled in AREDS, 4519 persons aged 60 to 80 years were included in this study. The lesions associated with AMD ranged from absent in both eyes to advanced in one eye. Stereoscopic color fundus photographs of the macula were used to place participants into one of five groups, based on the frequency and severity of lesions associated with AMD. Participants with fewer than 15 small drusen served as the control group. Staged model building techniques were used to compare each of the four case groups with the control group. Increased age was a consistent finding of all four of the case groups compared with the control group, and all the following associations were age adjusted. Persons with either intermediate drusen, extensive small drusen, or the pigment abnormalities associated with AMD (group 2) were more likely to be female, more likely to have a history of arthritis, and less likely to have a history of angina. Persons with one or more large drusen or extensive intermediate drusen (group 3) were more likely to use hydrochlorothiazide diuretics and more likely to have arthritis. Hypertension, hyperopia, presence of lens opacities, and white race were also found more frequently in this group as well as in persons with neovascular AMD (group 5). Only persons in group 5 were more likely to have an increased body mass index, whereas persons with geographic atrophy (group 4) as well as those in groups 3 and 5 were more likely to have completed fewer years in school or to be smokers. Those with geographic atrophy were also more likely to use thyroid hormones and antacids. Our findings for smoking and hypertension, which have been noted in previous studies, suggest that two important public health recommendations, the avoidance of smoking and the prevention of hypertension, may reduce the risk of developing AMD. Other associations, such as those for hyperopia, lens opacities, less education, female gender, increased body mass index, and white race, which have been noted in other studies, are also seen in the AREDS population. The increased use of thyroid hormones and antacids in persons with geographic atrophy and the increased likelihood of arthritis or hydrochlorothiazide use in persons with one or more large drusen or extensive intermediate drusen have not been previously reported and need additional investigation.
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              The prevalence of age-related maculopathy in the Rotterdam Study.

              To determine the prevalence of age-related maculopathy in an elderly population in The Netherlands. Fundus photographs of 6251 participants of the Rotterdam Study, a single-center prospective follow-up study in persons 55 to 98 years of age, were reviewed for the presence of drusen, pigmentary abnormalities, and atrophic or neovascular age-related macular degeneration. The prevalence of at least one drusen of 63 microns or larger increased from 40.8% in persons 55 to 64 years of age to 52.6% in those 85 years of age or older. Similarly, the prevalence of the following abnormalities increased significantly in these age categories: drusen of 125 microns or larger from 4.8% to 17.5%, retinal pigment epithelial hypopigmentations from 3.5% to 9.0%, and increased retinal pigment from 3.7% to 15.3%. Atrophic or neovascular age-related macular degeneration was present in 1.7% of the total population. Atrophic age-related macular degeneration increased from 0.1% in persons 55 to 64 years of age to 3.7% in those 85 years of age or older. Neovascular age-related macular degeneration increased from 0.1% to 7.4% in these age groups. No sex differences were observed for these lesions. The prevalence of atrophic or neovascular age-related macular degeneration is 1.7%. In those 55 years of age or older, the prevalence increases strongly with age and it is similar in men and women. Neovascular age-related macular degeneration was twice as common as atrophic age-related macular degeneration. These findings suggest that age-related maculopathy may be less common in this European population than in similar populations in the United States.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                August 2022
                : 39
                : 4
                : 910-915
                Affiliations
                [1] Changchun Jilin Province orgnameChina-Japan Union Hospital of Jilin University orgdiv1Department of Ophthalmology People's Republic of China
                [2] Changchun Jilin Province orgnameChina-Japan Union Hospital of Jilin University orgdiv1Department of Obstetrics and Gynecology People's Republic of China
                Article
                S0212-16112022000600024 S0212-1611(22)03900400024
                10.20960/nh.03932
                35388706
                9f119fce-4f0c-4356-ac1e-7899a983d79d

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 03 November 2021
                : 07 February 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 24, Pages: 6
                Product

                SciELO Spain

                Categories
                Reviews

                Eicosapentaenoic acid,Degeneración macular neovascular asociada a la edad,DMAE,AGPICL omega-3,Ácido graso dietético,Ácido docosahexaenoico,Ácido eicosapentaenoico,Neovascular age-related macular degeneration,wAMD,Omega-3 LCPUFAs,Dietary fat acid,Docosahexaenoic acid

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