{"id":227,"date":"2013-05-25T16:17:58","date_gmt":"2013-05-25T20:17:58","guid":{"rendered":"http:\/\/demo.desertretina.com.php73-37.phx1-1.websitetestlink.com\/?p=227"},"modified":"2024-11-26T10:33:24","modified_gmt":"2024-11-26T15:33:24","slug":"areds-2-update-vitamins-for-macular-degeneration","status":"publish","type":"post","link":"https:\/\/desertretina.com\/es\/areds-2-update-vitamins-for-macular-degeneration\/","title":{"rendered":"ACTUALIZACI\u00d3N DE AREDS 2: Vitaminas para la degeneraci\u00f3n macular"},"content":{"rendered":"<p>En 2001, el Estudio de Enfermedades Oculares Relacionadas con la Edad (AREDS), dirigido por el Instituto Nacional del Ojo (NEI), estableci\u00f3 que las dosis diarias altas de vitaminas (betacaroteno, C, E) y minerales (zinc y cobre) pueden retrasar la progresi\u00f3n a la DMAE avanzada. Si bien muchos pacientes se han beneficiado de la f\u00f3rmula de AREDS, el uso de betacaroteno se ha vinculado a un mayor riesgo de c\u00e1ncer de pulm\u00f3n en fumadores. Adem\u00e1s, existe la preocupaci\u00f3n de que las dosis altas de zinc puedan causar efectos secundarios leves, como malestar estomacal.<\/p>\n\n\n\n<p>En 2006, el NEI lanz\u00f3 AREDS 2, un estudio de cinco a\u00f1os dise\u00f1ado para evaluar si la f\u00f3rmula original pod\u00eda mejorarse a\u00f1adiendo \u00e1cidos grasos omega-3; lute\u00edna y zeaxantina; manteniendo o eliminando el betacaroteno; o reduciendo el zinc. El estudio tambi\u00e9n examin\u00f3 el rendimiento de diferentes combinaciones de suplementos. Los \u00e1cidos grasos omega-3 son producidos por plantas, incluidas las algas, y est\u00e1n presentes en pescados grasos como el salm\u00f3n. La lute\u00edna y la zeaxantina son carotenoides, una clase de vitaminas de origen vegetal que incluye el betacaroteno; ambos est\u00e1n presentes en las verduras de hoja verde y, al consumirlos, se acumulan en la retina. Estudios previos han sugerido que las dietas ricas en lute\u00edna, zeaxantina y \u00e1cidos grasos omega-3 protegen la visi\u00f3n. Antes de que finalizara el estudio AREDS2, los fabricantes comenzaron a comercializar suplementos basados en el dise\u00f1o del estudio.<\/p>\n\n\n\n<p>En el estudio AREDS original, los participantes con DMAE que tomaban suplementos ten\u00edan una probabilidad 25% menor de progresar a DMAE avanzada en cinco a\u00f1os, en comparaci\u00f3n con quienes tomaron un placebo. En el estudio AREDS2, no se observ\u00f3 un beneficio adicional general al a\u00f1adir \u00e1cidos grasos omega-3 o una mezcla 5:1 de lute\u00edna y zeaxantina a la f\u00f3rmula. Sin embargo, los investigadores s\u00ed encontraron alg\u00fan beneficio al analizar dos subgrupos de participantes: aquellos que no recibieron betacaroteno y aquellos con una dieta muy baja en lute\u00edna y zeaxantina. Estos participantes tuvieron una reducci\u00f3n 18% en el desarrollo de DMAE avanzada en 5 a\u00f1os, en comparaci\u00f3n con quienes tomaron una f\u00f3rmula con betacaroteno pero sin lute\u00edna ni zeaxantina. La nueva f\u00f3rmula recomendada consta de 400 UI de vitamina E, 500 mg de vitamina C, 10 mg de lute\u00edna, 2 mg de zeaxantina, 80 mg de zinc y 2 mg de cobre.<\/p>\n\n\n\n<p>Adem\u00e1s, de manera similar a los hallazgos originales del AREDS, el AREDS2 reafirm\u00f3 que ninguna de las formulaciones modificadas redujo el riesgo de progresi\u00f3n a la cirug\u00eda de cataratas.<\/p>\n\n\n\n<p>M\u00faltiples pacientes del SCDRC participaron en el AREDS2. Los m\u00e9dicos agradecen el esfuerzo de nuestro departamento de estudios y de los pacientes que contribuyeron a este ensayo cl\u00ednico hist\u00f3rico.<\/p>","protected":false},"excerpt":{"rendered":"<p>In 2001, the Age-Related Eye Disease Study (AREDS) led by the National Eye Institute (NEI) established that daily high doses of vitamins (beta-carotene, C, E) and the minerals (zinc and copper) can slow the progression to advanced AMD. While many patients have benefited from the AREDS formulation, beta-carotene use has been linked to a heightened [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":236,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-227","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AREDS 2 UPDATE \u2013 Vitamins For Macular Degeneration | Desert Retina Consultants<\/title>\n<meta name=\"description\" content=\"Discover the latest updates on AREDS 2 vitamins for macular degeneration. 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