{"id":12474,"date":"2018-04-10T17:09:30","date_gmt":"2018-04-10T20:09:30","guid":{"rendered":"https:\/\/federasbackup.meltcomunicacao.com.br\/?p=12474"},"modified":"2018-04-10T17:09:30","modified_gmt":"2018-04-10T20:09:30","slug":"reposicao-hormonal-contra-o-alzheimer","status":"publish","type":"post","link":"https:\/\/www.federassantas.org.br\/novosite\/reposicao-hormonal-contra-o-alzheimer\/","title":{"rendered":"Reposi\u00e7\u00e3o hormonal contra o Alzheimer"},"content":{"rendered":"<p style=\"text-align: justify;\">O tratamento hormonal na menopausa, al\u00e9m de amenizar os efeitos causados pela produ\u00e7\u00e3o reduzida de horm\u00f4nios, pode prevenir outra complica\u00e7\u00e3o caracter\u00edstica do envelhecimento: a dem\u00eancia. Segundo estudo da Academia Americana de Neurologia (AAN), a terapia \u00e9 capaz de preservar a estrutura do c\u00e9rebro respons\u00e1vel pela mem\u00f3ria e por habilidades de pensamento, al\u00e9m de reduzir o ac\u00famulo de placas beta-amiloides, considerado um dos fatores que desencadeiam o Alzheimer. Os resultados do trabalho foram divulgados recentemente na revista m\u00e9dica Neurology.<\/p>\n<p style=\"text-align: justify;\">O estudo envolveu 75 mulheres saud\u00e1veis com idade entre 42 e 56 anos e que estavam na menopausa havia cinco meses a tr\u00eas anos. As volunt\u00e1rias foram separadas em tr\u00eas grupos: 20 receberam p\u00edlulas de estrog\u00eanio equino (0,45 miligramas), 22 receberam estradiol (50 microgramas) por meio de adesivos de pele e 33 ficaram com o placebo, subst\u00e2ncia sem propriedade farmacol\u00f3gica, em forma de p\u00edlula ou de adesivo. As mulheres dos dois grupos com tratamento hormonal tamb\u00e9m ingeriram p\u00edlulas de progesterona (200 miligramas) nos 12 primeiros dias de cada m\u00eas para manter o endom\u00e9trio protegido.<\/p>\n<div style=\"text-align: justify;\">As mulheres fizeram testes de mem\u00f3ria e de pensamento, al\u00e9m de resson\u00e2ncia magn\u00e9tica, em cinco momentos: no in\u00edcio do estudo, depois de 18 meses, depois de tr\u00eas anos, quatro anos ap\u00f3s o inicio do tratamento e, ent\u00e3o, novamente, tr\u00eas anos ap\u00f3s o fim da terapia. O estudo durou sete anos\u201d, detalha Kejal Kantarci, cientista m\u00e9dica do Mayo Clinic em Rochester, Minnesota,\u00a0 membro da AAN e autora principal do artigo.<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">Kantarci e colegas mediram o volume do c\u00e9rebro das volunt\u00e1rias e o ac\u00famulo de les\u00f5es cerebrais usando exame de tomografia de emiss\u00e3o de p\u00f3sitron. As imagens foram comparadas com as performances nos testes de mem\u00f3ria e de pensamento. \u201cOs resultados mostraram que as participantes que tomaram estradiol via adesivo de pele mantiveram, por mais de sete anos, o volume no c\u00f3rtex pr\u00e9-frontal dorsolateral, \u00e1rea do c\u00e9rebro que d\u00e1 assist\u00eancia \u00e0 mem\u00f3ria, ao pensamento, ao planejamento e ao racioc\u00ednio\u201d, conta a pesquisadora.<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">Os pesquisadores descobriram ainda que as mulheres que come\u00e7aram a terapia hormonal com estradiol logo no in\u00edcio da menopausa tiveram efeitos mais duradouros no c\u00e9rebro. No caso do grupo que ingeriu p\u00edlulas de estrog\u00eanio, o efeito protetivo acabou com a interrup\u00e7\u00e3o do tratamento.<\/div>\n<div><\/div>\n<div>Para mais informa\u00e7\u00f5es acesse:\u00a0<a href=\"https:\/\/www.correiobraziliense.com.br\/app\/noticia\/ciencia-e-saude\/2018\/04\/10\/interna_ciencia_saude,672397\/estradiol-no-combate-a-demencia-na-velhice.shtml\">https:\/\/www.correiobraziliense.com.br\/app\/noticia\/ciencia-e-saude\/2018\/04\/10\/interna_ciencia_saude,672397\/estradiol-no-combate-a-demencia-na-velhice.shtml<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>O tratamento hormonal na menopausa, al\u00e9m de amenizar os efeitos causados pela produ\u00e7\u00e3o reduzida de horm\u00f4nios, pode prevenir outra complica\u00e7\u00e3o caracter\u00edstica do envelhecimento: a dem\u00eancia. Segundo estudo da Academia Americana de Neurologia (AAN), a terapia \u00e9 capaz de preservar a estrutura do c\u00e9rebro respons\u00e1vel pela mem\u00f3ria e por habilidades de pensamento, al\u00e9m de reduzir o [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12477,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[140],"tags":[],"class_list":["post-12474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Reposi\u00e7\u00e3o hormonal contra o Alzheimer - Federassantas<\/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:\/\/www.federassantas.org.br\/novosite\/reposicao-hormonal-contra-o-alzheimer\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reposi\u00e7\u00e3o hormonal contra o Alzheimer - Federassantas\" \/>\n<meta property=\"og:description\" content=\"O tratamento hormonal na menopausa, al\u00e9m de amenizar os efeitos causados pela produ\u00e7\u00e3o reduzida de horm\u00f4nios, pode prevenir outra complica\u00e7\u00e3o caracter\u00edstica do envelhecimento: a dem\u00eancia. 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