{"id":6292,"date":"2026-03-16T13:02:07","date_gmt":"2026-03-16T10:02:07","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/radiculopatia\/"},"modified":"2026-04-16T13:55:35","modified_gmt":"2026-04-16T10:55:35","slug":"radiculopatia","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/pt\/glossary\/radiculopatia\/","title":{"rendered":"Radiculopatia"},"content":{"rendered":"\n<p>Radiculopatia (do latim <em>radicula<\/em> \u2014 raiz e do grego <em>pathos<\/em> \u2014 sofrimento, doen\u00e7a) \u00e9 um complexo de sintomas neurol\u00f3gicos cl\u00ednicos que ocorre em decorr\u00eancia da compress\u00e3o, irrita\u00e7\u00e3o qu\u00edmica ou les\u00e3o traum\u00e1tica da raiz nervosa espinhal no local de sua sa\u00edda do canal vertebral.<\/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>Cada nervo espinhal \u00e9 formado pela fus\u00e3o das ra\u00edzes anterior (motora) e posterior (sensitiva). Essas estruturas deixam a coluna vertebral atrav\u00e9s de estreitos forames intervertebrais. A causa mais comum de seus danos \u00e9 o conflito disco-medular \u2014 compress\u00e3o f\u00edsica da raiz por uma h\u00e9rnia de disco intervertebral.<\/p>\n\n<p>Em condi\u00e7\u00f5es de compress\u00e3o aguda, o fluxo venoso dentro da raiz \u00e9 imediatamente interrompido, ocorrendo edema local e hip\u00f3xia tecidual. Une-se a inflama\u00e7\u00e3o imunol\u00f3gica ass\u00e9ptica causada pelo contato do nervo com o n\u00facleo pulposo do disco. Estes processos bloqueiam o fluxo axoplasm\u00e1tico normal dentro da fibra nervosa, resultando em anormalidades na condu\u00e7\u00e3o dos sinais.<\/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>A radiculopatia \u00e9 caracterizada pela tr\u00edade cl\u00ednica cl\u00e1ssica de sintomas. Primeiramente, h\u00e1 uma dor aguda, lancinante ou ardente que se espalha precisamente ao longo do trajeto de inerva\u00e7\u00e3o do nervo espec\u00edfico (derm\u00e1tomo). Em segundo lugar, observam-se dist\u00farbios sensoriais, como dorm\u00eancia ou parestesias na mesma regi\u00e3o. Em terceiro, desenvolvem-se dist\u00farbios motores, como fraqueza de grupos musculares espec\u00edficos (miotomo) e diminui\u00e7\u00e3o dos reflexos tendinosos.<\/p>\n\n<p>O diagn\u00f3stico \u00e9 obrigatoriamente confirmado por resson\u00e2ncia magn\u00e9tica, que visualiza o local da compress\u00e3o, e eletromiografia, que avalia o grau de dano \u00e0s fibras. O tratamento inicia-se com o controle da inflama\u00e7\u00e3o por bloqueios medicamentosos, progredindo, se ineficaz, para a remo\u00e7\u00e3o cir\u00fargica da h\u00e9rnia ou oste\u00f3fito.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Radiculopatia (do latim <em>radicula<\/em> \u2014 raiz e do grego <em>pathos<\/em> \u2014 sofrimento, doen\u00e7a) \u00e9 um complexo de sintomas neurol\u00f3gicos cl\u00ednicos que ocorre em decorr\u00eancia da compress\u00e3o, irrita\u00e7\u00e3o qu\u00edmica ou les\u00e3o traum\u00e1tica da raiz nervosa espinhal no local de sua sa\u00edda do canal vertebral.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-6292","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>Radiculopatia: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | 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