Food and nutritional pattern and lifestyle related to age-related macular degeneration in Portugal

Session Details

Session Title: Free Paper Session 3: AMD I

Session Date/Time: Thursday 07/09/2017 | 08:30-10:00

Paper Time: 08:42

Venue: Room 118

First Author: : P.Barreto PORTUGAL

Co Author(s): :    I. Lains   D. Alves   M. Raimundo   L. Santos   R. Silva                 

Abstract Details

Purpose:

This study aimed to explore the food and nutritional differences, including the adhesion to the Mediterranean diet, among individuals with and without Age-Related Macular Degeneration (AMD) in a Portuguese population. Additionally, the same goal was applied to other lifestyle parameters, namely the practice of physical exercise and smoking habits.

Setting:

Observational and cross-sectional study, developed as an extension of the Epidemiological Study on the Prevalence of Age-Related Macular Degeneration in Portugal, under the scope of which the presence and stage of AMD was determined.

Methods:

The study included 434 individuals with AMD and 565 without AMD, with 55 years of age or older, selected from among the population enrolled in the Health Centre of Lousã. Participants answered two questionnaires – one on lifestyle and another on meal frequency, validated for the Portuguese population. The weight, height and abdominal perimeter were measured on site. For the purpose of analysis, the conversion of food into nutrients was based on the Tabela de Composição dos Alimentos (Food Composition Table). MeDi-score was chosen to assess adhesion to the Mediterranean diet.

Results:

Subjects with AMD had a lower average frequency of meals and snacks per day when compared to individuals without AMD. In the latter group, there was a high consumption of citrus fruits statistically significant (kiwi, orange and tangerine; p ≤ 0,001) and of whole-meal bread (p ≤ 0,001) as well as of water, carotenes, folate and organic acids (p ≤ 0,001), when compared to the participants with AMD. Adhesion to the Mediterranean diet has not been proven statistically significantly between subjects with and without AMD.

Conclusions:

Citrus fruits and of whole-meal bread, as well as water, carotenes, folate and organic acids might be protective of the development of AMD. Further studies will be needed to clarify the role of nutrition, namely Mediterranean Diet, and lifestyle on the prevalence and incidence of AMD.

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