{"id":6874,"date":"2026-05-04T16:12:15","date_gmt":"2026-05-04T13:12:15","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/hemiparesia\/"},"modified":"2026-06-01T13:05:05","modified_gmt":"2026-06-01T10:05:05","slug":"hemiparesia","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/pt\/glossario\/hemiparesia\/","title":{"rendered":"Hemiparesia"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hemiparesia (do grego <em>hemi-<\/em> \u2014 metade e <em>paresis<\/em> \u2014 fraqueza ou relaxamento) \u00e9 uma s\u00edndrome neurol\u00f3gica caracterizada pela perda parcial da for\u00e7a muscular e pela limita\u00e7\u00e3o dos movimentos volunt\u00e1rios no bra\u00e7o e perna de um lado do corpo.<\/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 class=\"wp-block-paragraph\">Os comandos motores para nossos m\u00fasculos originam-se no c\u00f3rtex motor do c\u00e9rebro. A partir da\u00ed, os impulsos nervosos descem por um feixe potente de fibras (trato corticoespinal). A principal caracter\u00edstica anat\u00f4mica do sistema \u00e9 que, na jun\u00e7\u00e3o do c\u00e9rebro e da medula espinhal, a maioria dessas fibras cruza para o lado oposto do corpo.<\/p>\n\n<p class=\"wp-block-paragraph\">Se, como resultado de uma les\u00e3o cerebral traum\u00e1tica grave ou de uma grande compress\u00e3o por hematoma, o centro motor ou os caminhos de condu\u00e7\u00e3o s\u00e3o danificados no hemisf\u00e9rio esquerdo, fraqueza muscular (paresia) inevitavelmente se desenvolve no bra\u00e7o direito e na perna direita. O dano mec\u00e2nico aos neur\u00f4nios interrompe o sinal el\u00e9trico, e os m\u00fasculos deixam de receber comandos adequados para contra\u00e7\u00e3o.<\/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 class=\"wp-block-paragraph\">No contexto de trauma cranioencef\u00e1lico, o desenvolvimento de hemiparesia \u00e9 um sintoma focal cl\u00e1ssico. Seu aparecimento \u00e9 um sinal de alerta, indicando dano local grave ou efeito de massa.<\/p>\n\n<p class=\"wp-block-paragraph\">Os neurologistas avaliam a gravidade da fraqueza muscular em uma escala de 5 pontos, onde 5 pontos indicam for\u00e7a normal, e 0 pontos indicam imobilidade total (esta condi\u00e7\u00e3o n\u00e3o \u00e9 chamada de paresia, mas de plegia ou paralisia). A identifica\u00e7\u00e3o do lado em que a fraqueza se desenvolveu ajuda o m\u00e9dico de emerg\u00eancia a prever em qual hemisf\u00e9rio est\u00e1 localizado o hematoma traum\u00e1tico antes de chegar ao hospital.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hemiparesia (do grego <em>hemi-<\/em> \u2014 metade e <em>paresis<\/em> \u2014 fraqueza ou relaxamento) \u00e9 uma s\u00edndrome neurol\u00f3gica caracterizada pela perda parcial da for\u00e7a muscular e pela limita\u00e7\u00e3o dos movimentos volunt\u00e1rios no bra\u00e7o e perna de um lado do corpo.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-6874","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>Hemiparesia: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta 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