{"id":1952,"date":"2012-04-24T18:13:06","date_gmt":"2012-04-24T17:13:06","guid":{"rendered":"http:\/\/blogs.funiber.org\/pt\/?p=1952"},"modified":"2012-04-27T18:21:29","modified_gmt":"2012-04-27T17:21:29","slug":"excesso-de-yodo-pode-causar-hipotireoidismo-subclinico","status":"publish","type":"post","link":"https:\/\/www.funiber.blog\/pt\/saude-e-nutricao\/2012\/04\/24\/excesso-de-yodo-pode-causar-hipotireoidismo-subclinico","title":{"rendered":"Excesso de yodo pode causar hipotireoidismo subcl\u00ednico"},"content":{"rendered":"<p>At\u00e9 agora se contava apenas com estudos sobre os efeitos do baixo consumo de iodo, e pouco se sabia dos efeitos do excesso de iodo. Para averigu\u00e1-lo, uma equipe de m\u00e9dicos na China administrou ao azar v\u00e1rias doses de iodo em adultos durante quatro semanas, identificando que quando as pessoas consumiam doses superiores a 400mcg os pacientes desenvolviam hipotireoidismo subcl\u00ednico, que se manifesta por uma redu\u00e7\u00e3o dos n\u00edveis do horm\u00f4nio da tireoide, sem que se perceba os sintomas que evidenciam o hipotiroidismo, como fadiga, depress\u00e3o, pele seca e aumento de peso. <!--more--><\/p>\n<p>A equipe de investigadores da universidade do Tianjin determinou que a popula\u00e7\u00e3o da China n\u00e3o deveria consumir mais de 800mcg de iodo, mas esta quantidade \u00e9 distinta a que se recomenda nos Estados Unidos, onde se estabelece que o limite m\u00e1ximo e seguro de consumo de iodo por dia \u00e9 de 1.100mcg. Nos Estados Unidos \u00e9 recomendado \u00e0s pessoas que consumam 150mcg de iodo por dia, enquanto que as mulheres devem ingerir 220mcg durante a gravidez e 290mcg durante a gesta\u00e7\u00e3o.\u00a0 Por sua parte, a doutora Elizabeth Pearce, professora associada de medicina na Universidade de Boston, e perita na fun\u00e7\u00e3o da gl\u00e2ndula da tireoide, op\u00f5e-se ao consumo de suplementos que contribuam mais de 150 mcg de iodo di\u00e1rios, \u201cEm geral, temos n\u00edveis de iodo suficientes\u201d, indicou a especialista.<\/p>\n<p>Ao realizar um segundo estudo na China foi analisado 256 casos de pacientes adultos que apresentavam fun\u00e7\u00e3o tiroidea inicial normal. Foi aplicada neles 12 doses de iodo entre 0 e 2.000 mcg por dia, durante quatro semanas. Identificou-se que cinco por cento do grupo tratado com\u00a0 400mcg desenvolveu hipotiroidismo subcl\u00ednico, enquanto que 47 por cento dos pacientes que foram tratados com doses de 2.000 mcg por dia desenvolveram hipotiroidismo subcl\u00ednico.<\/p>\n<p>FONTE: American Journal of Clinical Nutrition<\/p>\n","protected":false},"excerpt":{"rendered":"<p>At\u00e9 agora se contava apenas com estudos sobre os efeitos do baixo consumo de iodo, e pouco se sabia dos efeitos do excesso de iodo. Para averigu\u00e1-lo, uma equipe de m\u00e9dicos na China administrou ao azar v\u00e1rias doses de iodo em adultos durante quatro semanas, identificando que quando as pessoas consumiam doses superiores a 400mcg [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_newsletter_tier_id":0,"footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[3],"tags":[],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Excesso de yodo pode causar hipotireoidismo subcl\u00ednico - FuniBlogs - FUNIBER<\/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:\/\/blogs.funiber.org\/pt\/saude-e-nutricao\/2012\/04\/24\/excesso-de-yodo-pode-causar-hipotireoidismo-subclinico\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Excesso de yodo pode causar hipotireoidismo subcl\u00ednico - FuniBlogs - FUNIBER\" \/>\n<meta property=\"og:description\" content=\"At\u00e9 agora se contava apenas com estudos sobre os efeitos do baixo consumo de iodo, e pouco se sabia dos efeitos do excesso de iodo. 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