{"id":43413,"date":"2020-08-06T03:30:45","date_gmt":"2020-08-06T01:30:45","guid":{"rendered":"https:\/\/rina.naturopatiadigital.eu\/?p=43413"},"modified":"2020-08-06T11:43:22","modified_gmt":"2020-08-06T09:43:22","slug":"43413","status":"publish","type":"post","link":"https:\/\/rina.naturopatiadigital.eu\/?p=43413","title":{"rendered":"\u00c1rea de conocimiento: Tecnolog\u00eda Naturop\u00e1tica o Naturopat\u00eda Aplicada: M\u00f3dulo: Naturopat\u00eda Alimentaria &#8211; TROFOLOGIA: \u00abIndicadores bioqu\u00edmicos de vitamina B12 e insuficiencia de folato y deterioro cognitivo\u00bb"},"content":{"rendered":"<p><a href=\"https:\/\/1.bp.blogspot.com\/-g4kjGCq7xEs\/XyvQN0Ra0JI\/AAAAAAAAe9Q\/AiMf43DDwDw6HjlwMVa982iMfk3XOIcDwCLcBGAsYHQ\/s1600\/Neurology.jpg\"><img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/1.bp.blogspot.com\/-g4kjGCq7xEs\/XyvQN0Ra0JI\/AAAAAAAAe9Q\/AiMf43DDwDw6HjlwMVa982iMfk3XOIcDwCLcBGAsYHQ\/s1600\/Neurology.jpg\" border=\"0\" data-original-width=\"167\" data-original-height=\"220\" \/><\/a>Tangney, C. C., Tang, Y., Evans, D. A., &amp; Morris, M. C. (2009).\u00a0<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2677500\/\">Biochemical indicators of vitamin B12 and folate insufficiency and cognitive decline<\/a>. Neurology, 72(4), 361-367.<\/p>\n<p>ANTECEDENTES: En algunos estudios prospectivos, se han informado asociaciones de la vitamina B 12 s\u00e9rica y las concentraciones de homociste\u00edna con el deterioro cognitivo, pero pocos han examinado el papel del \u00e1cido metilmal\u00f3nico, un marcador m\u00e1s espec\u00edfico de la deficiencia de vitamina B 12 que la homociste\u00edna.<\/p>\n<p>OBJETIVO: El objetivo del estudio fue determinar si las concentraciones s\u00e9ricas de vitamina B 12 o metabolitos seleccionados est\u00e1n relacionados con el deterioro cognitivo.<\/p>\n<p>M\u00c9TODOS: Se seleccionaron un total de 516 sujetos en un dise\u00f1o de muestreo aleatorio estratificado de entre los participantes del Proyecto de Salud y Envejecimiento de Chicago para la evaluaci\u00f3n cl\u00ednica. Utilizamos modelos lineales mixtos para examinar la asociaci\u00f3n de los marcadores sangu\u00edneos del estado de la vitamina B 12 con el cambio en las puntuaciones cognitivas durante 6 a\u00f1os. La funci\u00f3n cognitiva se evalu\u00f3 cada 3 a\u00f1os y se midi\u00f3 como la suma de las puntuaciones estandarizadas en cuatro pruebas.<\/p>\n<p>RESULTADOS: Se observ\u00f3 probable deficiencia de vitamina B 12 en el 14,2% de la muestra. Hubo concentraciones s\u00e9ricas elevadas de homociste\u00edna en el 19,2% de los sujetos y de \u00e1cido metilmal\u00f3nico en el 36,4%. Las concentraciones s\u00e9ricas m\u00e1s altas de \u00e1cido metilmal\u00f3nico fueron predictivas de tasas m\u00e1s r\u00e1pidas de deterioro cognitivo (\u03b2 = \u22120,00016, SE = 0,0001, p = 0,004) y las concentraciones s\u00e9ricas m\u00e1s altas de vitamina B 12 se asociaron con tasas m\u00e1s lentas de deterioro cognitivo (\u03b2 = +0,00013, SE &lt; 0,0001, p = 0,005) en modelos mixtos ajustados multivariables. Las concentraciones s\u00e9ricas de homociste\u00edna no tuvieron relaci\u00f3n con el deterioro cognitivo.<\/p>\n<p>CONCLUSIONES: Las concentraciones s\u00e9ricas de \u00e1cido metilmal\u00f3nico y vitamina B 12 pueden ser los factores de riesgo m\u00e1s importantes para el deterioro cognitivo en comparaci\u00f3n con las concentraciones s\u00e9ricas de homociste\u00edna, particularmente en poblaciones mayores expuestas a la fortificaci\u00f3n de alimentos y posibles suplementos que contienen \u00e1cido f\u00f3lico.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tangney, C. C., Tang, Y., Evans, D. A., &amp; Morris, M. C. (2009).\u00a0Biochemical indicators of vitamin B12 and folate insufficiency and cognitive decline. Neurology, 72(4), 361-367. ANTECEDENTES: En algunos estudios prospectivos, se han informado asociaciones de la vitamina B 12 s\u00e9rica y las concentraciones de homociste\u00edna con el deterioro cognitivo, pero pocos han examinado el [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-43413","post","type-post","status-publish","format-standard","hentry","category-naturopatia-alimentaria-trofologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c1rea de conocimiento: Tecnolog\u00eda Naturop\u00e1tica o Naturopat\u00eda Aplicada: M\u00f3dulo: Naturopat\u00eda Alimentaria - TROFOLOGIA: &quot;Indicadores bioqu\u00edmicos de vitamina B12 e insuficiencia de folato y deterioro cognitivo&quot; -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rina.naturopatiadigital.eu\/?p=43413\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c1rea de conocimiento: Tecnolog\u00eda Naturop\u00e1tica o Naturopat\u00eda Aplicada: M\u00f3dulo: Naturopat\u00eda Alimentaria - TROFOLOGIA: &quot;Indicadores bioqu\u00edmicos de vitamina B12 e insuficiencia de folato y deterioro cognitivo&quot; -\" \/>\n<meta property=\"og:description\" content=\"Tangney, C. C., Tang, Y., Evans, D. A., &amp; Morris, M. C. (2009).\u00a0Biochemical indicators of vitamin B12 and folate insufficiency and cognitive decline. Neurology, 72(4), 361-367. 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C., Tang, Y., Evans, D. A., &amp; Morris, M. C. (2009).\u00a0Biochemical indicators of vitamin B12 and folate insufficiency and cognitive decline. Neurology, 72(4), 361-367. 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