{"id":39282,"date":"2026-02-02T13:01:40","date_gmt":"2026-02-02T13:01:40","guid":{"rendered":"https:\/\/organonpro.com\/es-es\/?post_type=news&#038;p=39282"},"modified":"2026-06-17T08:04:09","modified_gmt":"2026-06-17T08:04:09","slug":"dieta-mediterranea-y-artritis-reumatoide","status":"publish","type":"news","link":"https:\/\/organonpro.com\/es-es\/news\/dieta-mediterranea-y-artritis-reumatoide\/","title":{"rendered":"Dieta mediterr\u00e1nea y artritis reumatoide: estudio de cohortes\u00a0de\u00a09\u00a0a\u00f1os y revisi\u00f3n sistem\u00e1tica con\u00a0metan\u00e1lisis\u00a0"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>Hu P, Lee EKP, Li Q, Tam LS, Wong SYS, Poon PKM, et al.\u00a0Mediterranean\u00a0diet\u00a0and rheumatoid arthritis: a nine-year cohort study and systematic review with meta-analysis.\u00a0Eur\u00a0J Clin\u00a0Nutr.\u00a02025;79:888-896.\u00a0\u00a0<\/em><\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-fe8b53361a2f5864081ce477bae2917d\" style=\"font-size:27px;font-style:normal;font-weight:700\">Puntos clave:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En este estudio de cohortes\u00a0con 117\u202f341 participantes, mayor adherencia a la dieta mediterr\u00e1nea se asoci\u00f3 con menor riesgo de desarrollar artritis reumatoide.\u00a0<\/li>\n\n\n\n<li>El\u00a0metan\u00e1lisis\u00a0evidenci\u00f3 una asociaci\u00f3n entre la adherencia a la dieta mediterr\u00e1nea y el riesgo de artritis reumatoide.\u00a0<\/li>\n\n\n\n<li>La asociaci\u00f3n fue m\u00e1s intensa en los varones.\u00a0<\/li>\n\n\n\n<li>Entre los componentes individuales, el aceite de oliva y\u00a0las\u00a0legumbres se asociaron\u00a0con menor riesgo de artritis reumatoide, y el alcohol present\u00f3\u00a0una asociaci\u00f3n en forma de J.\u00a0<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-767266c458faef4e1714606ff9af24f7\" style=\"font-size:27px;font-style:normal;font-weight:700\">Introducci\u00f3n\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La&nbsp;<strong>artritis reumatoide&nbsp;(AR)<\/strong>&nbsp;es una enfermedad&nbsp;<strong>inflamatoria autoinmunitaria<\/strong>&nbsp;que afecta aproximadamente al 0,5\u202f% de la poblaci\u00f3n mundial.&nbsp;En&nbsp;la aparici\u00f3n&nbsp;de la enfermedad intervienen factores gen\u00e9ticos, ambientales y autoinmunitarios. La dieta, como factor ambiental modificable, ha generado&nbsp;un inter\u00e9s creciente por su posible papel en la prevenci\u00f3n de la AR.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La&nbsp;<strong>DM<\/strong>&nbsp;se caracteriza por&nbsp;el&nbsp;<strong>consumo&nbsp;elevado<\/strong>&nbsp;de frutas, verduras, legumbres, cereales, pescado y aceite de oliva;&nbsp;el&nbsp;<strong>consumo moderado<\/strong>&nbsp;de alcohol;&nbsp;y&nbsp;el&nbsp;<strong>bajo consumo<\/strong>&nbsp;de carne y productos l\u00e1cteos.&nbsp;<\/p>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-bab42fe4e3c9d8b1e619d3f1b7642572 wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">Dadas sus propiedades antinflamatorias y su efecto sobre la reducci\u00f3n del peso corporal, la\u00a0DM\u00a0podr\u00eda ejercer un efecto protector frente a la\u00a0AR.\u00a0<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-d1da8061ece2337d7c96f61e5298f075\" style=\"font-size:27px;font-style:normal;font-weight:700\">M\u00e9todos\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Se\u00a0efectu\u00f3\u00a0un\u00a0<strong>estudio de cohortes<\/strong>\u00a0y una\u00a0<strong>revisi\u00f3n sistem\u00e1tica actualizada con\u00a0metan\u00e1lisis<\/strong>\u00a0de todos los estudios disponibles hasta la fecha.\u00a0<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-74fc08dbaded5ab1a95b23d97324a550\" style=\"font-size:22px\">Estudio de cohortes\u00a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Se incluyeron<strong>&nbsp;<\/strong>participantes<strong>&nbsp;<\/strong>de entre&nbsp;<strong>40 y 70 a\u00f1os<\/strong>, seleccionados<strong>&nbsp;<\/strong>entre&nbsp;<strong>2006 y 2010&nbsp;<\/strong>en&nbsp;<strong>22 centros<\/strong>&nbsp;en Inglaterra, Gales y Escocia,&nbsp;que hab\u00edan completado el Oxford&nbsp;WebQ&nbsp;(un cuestionario&nbsp;en l\u00ednea&nbsp;diet\u00e9tico de recuerdo de 24 horas)&nbsp;en al menos 2&nbsp;ocasiones.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para reflejar la&nbsp;<strong>dieta diaria habitual<\/strong>&nbsp;de cada participante, se calcul\u00f3 la ingesta media a partir de&nbsp;varias&nbsp;evaluaciones&nbsp;del&nbsp;Oxford&nbsp;WebQ.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para evaluar el grado de adherencia a la DM, se calcul\u00f3&nbsp;una puntuaci\u00f3n&nbsp;denominada&nbsp;<strong>MEDI-LITE<\/strong>.&nbsp;La puntuaci\u00f3n total, con un&nbsp;<strong>rango&nbsp;de 0 a 18<\/strong>,&nbsp;correspondi\u00f3 a la suma de todos los componentes, de modo que una puntuaci\u00f3n m\u00e1s alta indicar\u00eda&nbsp;mayor adherencia.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El&nbsp;criterio de valoraci\u00f3n&nbsp;fue la&nbsp;<strong>incidencia de artritis reumatoide<\/strong>, determinada a partir de registros hospitalarios, registros de atenci\u00f3n primaria, registros&nbsp;de defunciones y autoinformes.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los&nbsp;posibles factores de confusi\u00f3n de la asociaci\u00f3n entre&nbsp;la&nbsp;exposici\u00f3n y&nbsp;el&nbsp;desenlace&nbsp;fueron&nbsp;los&nbsp;<strong>datos demogr\u00e1ficos<\/strong>,&nbsp;los&nbsp;<strong>factores relacionados con el estilo de vida<\/strong>&nbsp;y los&nbsp;<strong>indicadores de salud<\/strong>. En las&nbsp;<strong>mujeres<\/strong>&nbsp;tambi\u00e9n se consideraron otras&nbsp;covariables espec\u00edficas.&nbsp;El&nbsp;<strong>factor reumatoide<\/strong>&nbsp;se consider\u00f3 un posible modificador.&nbsp;<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-40065fb01656b38dc94840a7d3a6b88f\" style=\"font-size:22px\">Revisi\u00f3n sistem\u00e1tica y\u00a0metan\u00e1lisis\u00a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Se incluyeron estudios\u00a0observacionales o de intervenci\u00f3n\u00a0<strong>hasta noviembre de 2023<\/strong>.\u00a0La revisi\u00f3n sistem\u00e1tica incluy\u00f3 tambi\u00e9n el estudio de cohortes\u00a0actual.\u00a0<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-0c3411b7a9714e463f6a0f6d8f1290c2\" style=\"font-size:27px;font-style:normal;font-weight:700\">Resultados\u00a0<\/h2>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-74fc08dbaded5ab1a95b23d97324a550\" style=\"font-size:22px\">Estudio de cohortes\u00a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Se incluyeron&nbsp;<strong>117\u202f341 participantes<\/strong>.&nbsp;La puntuaci\u00f3n MEDI-LITE&nbsp;media&nbsp;fue de&nbsp;<strong>8,9 \u00b1 2,8<\/strong>. Las personas de mayor edad, las mujeres y los participantes de raza no blanca&nbsp;mostraron una mayor probabilidad de adherirse a la DM.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Durante un&nbsp;<strong>seguimiento mediano de 9,42 a\u00f1os<\/strong>,&nbsp;<strong>773 participantes<\/strong>&nbsp;desarrollaron AR. El riesgo de AR fue menor en el cuartil m\u00e1s alto de la puntuaci\u00f3n MEDI-LITE en comparaci\u00f3n con el cuartil m\u00e1s bajo (<em>hazard&nbsp;ratio<\/em>&nbsp;[HR]&nbsp;=&nbsp;0,713). Cada incremento&nbsp;de una desviaci\u00f3n est\u00e1ndar&nbsp;en la puntuaci\u00f3n MEDI-LITE se asoci\u00f3 con un menor riesgo de AR (HR&nbsp;= 0,873).&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>No&nbsp;se observaron efectos modificadores&nbsp;<\/strong>del sexo,&nbsp;la&nbsp;edad, el nivel educativo, el tabaquismo, la hipertensi\u00f3n, la predisposici\u00f3n gen\u00e9tica ni&nbsp;el factor reumatoide.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En cuanto a los componentes de la puntuaci\u00f3n MEDI-LITE, la adherencia a las recomendaciones de la DM&nbsp;sobre las&nbsp;<strong>legumbres<\/strong>&nbsp;y&nbsp;el&nbsp;<strong>aceite de oliva<\/strong>&nbsp;se asoci\u00f3 con menor riesgo de&nbsp;AR.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El riesgo de AR disminuy\u00f3 con el aumento de la&nbsp;<strong>ingesta de alcohol<\/strong>&nbsp;hasta&nbsp;<strong>28 g\/d\u00eda<\/strong>, y posteriormente aument\u00f3 de forma lenta y progresiva&nbsp;(asociaci\u00f3n en forma de J).&nbsp;<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-40065fb01656b38dc94840a7d3a6b88f\" style=\"font-size:22px\">Revisi\u00f3n sistem\u00e1tica y\u00a0metan\u00e1lisis\u00a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Se\u00a0incluyeron\u00a0<strong>6\u00a0estudios<\/strong>\u00a0que,\u00a0en conjunto,\u00a0incluyeron\u00a0<strong>362\u202f268 participantes<\/strong>, con\u00a0<strong>4273 casos de AR<\/strong>.\u00a0<\/p>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-03a5e91d4c6fdf3465f85004f2118ce9 wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">La\u00a0odds\u00a0ratio\u00a0(OR)\u00a0combinada\u00a0al comparar la mayor frente a la menor adherencia a la DM\u00a0y el riesgo de AR fue de\u00a00,838.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La asociaci\u00f3n fue\u00a0<strong>m\u00e1s intensa en varones que en mujeres<\/strong>.\u00a0Tras excluir los estudios de calidad intermedia, la asociaci\u00f3n se mantuvo estad\u00edsticamente significativa en las mujeres.\u00a0<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-ad4eaa7bd75c4f188669fff46928d6f9\" style=\"font-size:27px;font-style:normal;font-weight:700\">Discusi\u00f3n\u00a0<\/h2>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-cb26694a467d264a2824601a5dc10274 wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">Los resultados\u00a0respaldan\u00a0que una mayor adherencia a la DM se asocia con un menor riesgo de\u00a0aparici\u00f3n\u00a0de AR.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La DM\u00a0podr\u00eda actuar\u00a0sobre la patogenia de la AR\u00a0mediante la\u00a0<strong>reducci\u00f3n de la inflamaci\u00f3n<\/strong>\u00a0y la\u00a0<strong>promoci\u00f3n de la p\u00e9rdida de peso<\/strong>, disminuyendo as\u00ed\u00a0el riesgo de desarrollar la enfermedad.\u00a0\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las propiedades antinflamatorias de la DM pueden atribuirse a su&nbsp;<strong>elevado contenido en nutrientes con actividad antinflamatoria<\/strong>, como la fibra&nbsp;en verduras y cereales;&nbsp;los&nbsp;carotenoides, flavonoides y vitamina C en frutas;&nbsp;el&nbsp;magnesio en legumbres y verduras; y&nbsp;los&nbsp;\u00e1cidos grasos omega&nbsp;3&nbsp;en pescados&nbsp;y aceite de oliva. Adem\u00e1s, la DM se caracteriza por un&nbsp;<strong>bajo aporte de nutrientes proinflamatorios<\/strong>, como los \u00e1cidos grasos saturados y el hierro hemo presentes en la carne.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tambi\u00e9n&nbsp;existe evidencia que respalda la eficacia de la DM en&nbsp;reducir&nbsp;el peso corporal y el \u00edndice de masa corporal, factores de riesgo&nbsp;de&nbsp;AR.&nbsp;La obesidad puede&nbsp;generar&nbsp;<strong>respuestas inmunitarias an\u00f3malas<\/strong>&nbsp;frente a los propios tejidos mediante la liberaci\u00f3n de citocinas proinflamatorias.&nbsp;<\/p>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-aa9c48f71276fb5040818ed60647d989 wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">En este estudio de cohortes, solo 3\u00a0componentes (aceite de oliva, legumbres y alcohol) se asociaron con el riesgo de AR, lo que sugiere que el\u00a0efecto global de la DM podr\u00eda ser superior al de alimentos individuales.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los resultados\u00a0revelaron una asociaci\u00f3n en forma de J entre el\u00a0<strong>consumo de alcohol y el riesgo de AR<\/strong>, lo que sugiere un efecto protector con consumos moderados y un aumento del riesgo con ingestas elevadas. Este fen\u00f3meno podr\u00eda explicarse por los efectos\u00a0diferentes\u00a0inmunomoduladores del etanol seg\u00fan la dosis: el consumo moderado suprime citocinas proinflamatorias, mientras que el consumo excesivo altera la homeostasis inmunitaria y favorece\u00a0un estado proinflamatorio.\u00a0<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-633cbd23b7ae6b2e3d5acbf033c45c05\" style=\"font-size:27px;font-style:normal;font-weight:700\">Conclusiones\u00a0<\/h2>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-fb55a420ab85b903f53a05bb2c39386d wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">Mayor adherencia a la dieta mediterr\u00e1nea se asoci\u00f3 con menor riesgo de artritis reumatoide. Esto\u00a0resalta\u00a0la importancia de la dieta en\u00a0la aparici\u00f3n\u00a0de AR y aporta\u00a0nuevas perspectivas para su prevenci\u00f3n.\u00a0<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00bfQuieres ampliar la informaci\u00f3n?<\/strong> Consulta el art\u00edculo original completo <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40335749\/\">Mediterranean diet and rheumatoid arthritis: A nine-year cohort study and systematic review with meta-analysis<\/a><\/p>\n\n\n\n<style>\n.borde-citas {\nborder: solid;\nborder-color: #FEDB00;\nborder-width: 1px 1px 1px 16px;\nborder-radius: 0.8rem;\n}\n<\/style>\n","protected":false},"excerpt":{"rendered":"<p>Hu P, Lee EKP, Li Q, Tam LS, Wong SYS, Poon PKM, et al.\u00a0Mediterranean\u00a0diet\u00a0and rheumatoid arthritis: a nine-year cohort study and systematic review with meta-analysis.\u00a0Eur\u00a0J Clin\u00a0Nutr.\u00a02025;79:888-896.\u00a0\u00a0 Puntos clave: Introducci\u00f3n\u00a0 La&nbsp;artritis reumatoide&nbsp;(AR)&nbsp;es una enfermedad&nbsp;inflamatoria autoinmunitaria&nbsp;que afecta aproximadamente al 0,5\u202f% de la poblaci\u00f3n mundial.&nbsp;En&nbsp;la aparici\u00f3n&nbsp;de la enfermedad intervienen factores gen\u00e9ticos, ambientales y autoinmunitarios. La dieta, como factor [&hellip;]<\/p>\n","protected":false},"author":120,"featured_media":39430,"parent":0,"menu_order":0,"template":"","meta":{"_acf_changed":true},"tags":[],"news_categories":[215,235,234,232],"class_list":["post-39282","news","type-news","status-publish","has-post-thumbnail","hentry","news_categories-atencion-primaria","news_categories-endocrinologia","news_categories-medicina-interna","news_categories-reumatologia"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Dieta mediterr\u00e1nea y artritis reumatoide: estudio de cohortes\u00a0de\u00a09\u00a0a\u00f1os y revisi\u00f3n sistem\u00e1tica con\u00a0metan\u00e1lisis\u00a0 - Organon Pro - Espa\u00f1a<\/title>\n<meta name=\"description\" content=\"Actual\u00edzate en unos minutos sobre la dieta mediterr\u00e1nea y la artritis reumatoide\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/organonpro.com\/es-es\/news\/dieta-mediterranea-y-artritis-reumatoide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dieta mediterr\u00e1nea y artritis reumatoide: estudio de cohortes\u00a0de\u00a09\u00a0a\u00f1os y revisi\u00f3n sistem\u00e1tica con\u00a0metan\u00e1lisis\u00a0\" \/>\n<meta property=\"og:description\" content=\"Actual\u00edzate en unos minutos sobre la dieta mediterr\u00e1nea y la artritis reumatoide\" \/>\n<meta property=\"og:url\" content=\"https:\/\/organonpro.com\/es-es\/news\/dieta-mediterranea-y-artritis-reumatoide\/\" \/>\n<meta property=\"og:site_name\" content=\"Organon Pro - 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