DIETARY INTAKE OF OMEGA-3 FATTY ACIDS FROM FISH AND RISK OF DIABETIC RETINOPATHY.
In the October 2016 issue of JAMA Ophthalmology, Sala-Vila and colleagues reported findings from the Prevención con Dieta Mediterránea (PREDIMED) showing that among older individuals with type 2 diabetes, dietary intake of at least 500 mg/d of long-chain ω-3 fatty acids (2 weekly servings of fish) was associated with a nearly 50% relative risk reduction for vision-threatening diabetic retinopathy, defined as requiring treatment with laser, vitrectomy (surgery to remove some or all of the vitreous humor from the eye), or intravitreal injections of anti–vascular endothelial growth factor (anti-VEGF) agents. PREDIMED included patients at high risk for developing cardiovascular disease randomized to receive 1 of 3 diets: a Mediterranean diet supplemented with extra-virgin olive oil, a Mediterranean diet supplemented with mixed nuts (combination of walnuts, hazelnuts, and almonds), or a low-fat control diet. Participants assigned to the 2 Mediterranean diets had an approximately 30% reduction in cardiovascular events (myocardial infarction, stroke, or death from cardiovascular causes) vs those in the low-fat control diet (3.4% mortality in the Mediterranean diet with nuts group, 3.4% for the Mediterranean diet supplemented with extra-virgin olive oil group, and 4.4% in the control diet group at 4.8 years).
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Refrences – Emily Y. Chew, MD1
Author Affiliations
JAMA. 2017;317(21):2226-2227. doi:10.1001/jama.2017.1926
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