{"id":6674,"date":"2026-04-16T13:54:13","date_gmt":"2026-04-16T10:54:13","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/glossary\/edema-cerebral\/"},"modified":"2026-05-04T16:13:06","modified_gmt":"2026-05-04T13:13:06","slug":"edema-cerebral","status":"publish","type":"glossary_item","link":"https:\/\/wiki.dev.voka.io\/pt\/glossario\/edema-cerebral\/","title":{"rendered":"Edema cerebral"},"content":{"rendered":"\n<p>O edema cerebral (do grego <em>oidema<\/em> \u2014 incha\u00e7o, edema) \u00e9 um processo patol\u00f3gico caracterizado pelo ac\u00famulo excessivo de l\u00edquido nos tecidos do c\u00e9rebro. Ele leva a um r\u00e1pido aumento do volume do tecido cerebral e ao perigoso aumento da press\u00e3o intracraniana.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x44D;&#x442;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>Etiologia e fisiopatologia<\/strong><\/h2>\n\n<p>Na neurotraumatologia, destacam-se dois principais mecanismos de desenvolvimento dessa patologia. O edema vasog\u00eanico ocorre com o dano mec\u00e2nico direto \u00e0s paredes capilares (por exemplo, em contus\u00f5es cerebrais). Nesse caso, a parte l\u00edquida do sangue, junto com prote\u00ednas, transuda livremente pelos vasos para o espa\u00e7o intercelular.<\/p>\n\n<p>O edema citot\u00f3xico se desenvolve devido \u00e0 priva\u00e7\u00e3o aguda de oxig\u00eanio das c\u00e9lulas (isquemia). Devido \u00e0 falta de energia, as bombas de membrana celular falham. Como resultado, a \u00e1gua invade diretamente os neur\u00f4nios, causando forte incha\u00e7o e destrui\u00e7\u00e3o interna. Na pr\u00e1tica, em casos de trauma severo, ambos os mecanismos s\u00e3o ativados simultaneamente, intensificando mutuamente seus efeitos.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\"><strong>Import\u00e2ncia cl\u00ednica<\/strong><\/h2>\n\n<p>Clinicamente, o edema se manifesta como uma dor de cabe\u00e7a intensa e expansiva, v\u00f4mito repetido que n\u00e3o traz al\u00edvio, comprometimento visual e deteriora\u00e7\u00e3o progressiva da consci\u00eancia at\u00e9 o coma. O principal perigo deste estado \u00e9 o desenvolvimento inevit\u00e1vel da s\u00edndrome de deslocamento, onde o c\u00e9rebro se hernia fisicamente nas aberturas naturais do cr\u00e2nio.<\/p>\n\n<p>O tratamento \u00e9 realizado exclusivamente em ambiente de terapia intensiva. Inclui controle rigoroso da respira\u00e7\u00e3o (ventila\u00e7\u00e3o mec\u00e2nica), administra\u00e7\u00e3o de diur\u00e9ticos osm\u00f3ticos potentes para remover for\u00e7adamente o excesso de l\u00edquido do tecido e seda\u00e7\u00e3o medicinal profunda. Em casos cr\u00edticos, onde a medica\u00e7\u00e3o n\u00e3o \u00e9 eficaz, neurocirurgi\u00f5es realizam a craniotomia descompressiva de emerg\u00eancia.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O edema cerebral (do grego <em>oidema<\/em> \u2014 incha\u00e7o, edema) \u00e9 um processo patol\u00f3gico caracterizado pelo ac\u00famulo excessivo de l\u00edquido nos tecidos do c\u00e9rebro. Ele leva a um r\u00e1pido aumento do volume do tecido cerebral e ao perigoso aumento da press\u00e3o intracraniana.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-6674","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Edema cerebral: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta name=\"description\" content=\"O edema cerebral (do grego oidema \u2014 incha\u00e7o, edema) \u00e9 um processo patol\u00f3gico caracterizado pelo ac\u00famulo excessivo de l\u00edquido nos tecidos do c\u00e9rebro. 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