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Archivos de la Sociedad Española de Oftalmología
versión impresa ISSN 0365-6691
Resumen
OLEA, J.L.; ARAGON, J.A.; ZAPATA, M.E. y TUR, J.A.. Characteristics of patients with wet age-related macular degeneration and low intake of lutein and zeaxanthin. Arch Soc Esp Oftalmol [online]. 2012, vol.87, n.4, pp.112-118. ISSN 0365-6691.
Objective: To assess the characteristics of patients with wet AMD and low intake of lutein and zeaxanthin in our population. Methods: A prospective, observational, cross-sectional study was conducted on patients with active wet AMD. A full blood count, a lipid and liver profile, a dietary interview (24-hour recall), and an anthropometric study were performed. Lutein-zeaxanthin (LZ) intake results split the patents in two groups. Group 1 ("sufficient" intake): patients with > 1,400mg/day intake in women and 1,700mg/day in men (2/3 of the average daily intake in a normal population). Group 2: patients with daily intakes below that of group 1. A descriptive and comparative statistical study was performed. Results: Fifty-two patients with a mean age of 78.9 years. Group 1: eleven patients (21% of the sample). Group 2: forty-one patients. The subjects with adequate intake of LZ had higher a body mass index and waist circumference. Between 70-80% of patients in group 1 had inadequate intake of vitamin A, C and E and zinc. Conclusions: Seventy-nine per cent of the patients with wet AMD have a deficient daily intake in lutein-zeaxanthin. The population with adequate intake is associated with an increased body mass index and waist circumference, and in addition, most of them have an insufficient intake of vitamin A, C, E and zinc.
Palabras clave : Lutein; Zeaxanthin; Age-related macular degeneration; Retinal carotenoids; Antioxidants; Mediterranean diet.