{"id":3867,"date":"2026-03-16T13:02:11","date_gmt":"2026-03-16T10:02:11","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/pseudoartrose\/"},"modified":"2026-04-01T18:36:44","modified_gmt":"2026-04-01T15:36:44","slug":"pseudoartrose","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/pt\/glossary\/pseudoartrose\/","title":{"rendered":"Pseudoartrose"},"content":{"rendered":"\n<p>Pseudoartrose (do grego <em>pseudes<\/em> \u2014 falso e <em>arthron<\/em> \u2014 articula\u00e7\u00e3o) \u00e9 um estado patol\u00f3gico caracterizado por uma ruptura persistente na integridade \u00f3ssea com mobilidade anormal no local de uma fratura anterior. <\/p>\n\n<p>\u00c9 o resultado de um trauma no qual o processo biol\u00f3gico de uni\u00e3o cessou completamente, tornando a recupera\u00e7\u00e3o espont\u00e2nea imposs\u00edvel.<\/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>A forma\u00e7\u00e3o de pseudoartrose ocorre quando h\u00e1 di\u00e1stase persistente ou micromovimento regular entre os fragmentos \u00f3sseos. As causas principais incluem imobiliza\u00e7\u00e3o inadequada, carga prematura no membro, interposi\u00e7\u00e3o de tecido mole entre os fragmentos ou dist\u00farbios locais no suprimento sangu\u00edneo.<\/p>\n\n<p>Em n\u00edvel celular, o processo de forma\u00e7\u00e3o \u00f3ssea para. As extremidades dos fragmentos \u00f3sseos s\u00e3o cobertas por tecido cicatricial, sclerotisam e s\u00e3o fechadas por placas de fechamento \u00f3sseo. O canal medular \u00e9 completamente preenchido com tecido cicatricial. Uma c\u00e1psula fibrosa densa forma-se ao redor da \u00e1rea de n\u00e3o uni\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>Clinicamente, a patologia varia de mobilidade indolor a moderadamente dolorosa na \u00e1rea da falsa articula\u00e7\u00e3o, deformidade, atrofia muscular local e fun\u00e7\u00e3o alterada do segmento.<\/p>\n\n<p>Radiograficamente, um espa\u00e7o entre os fragmentos \u00e9 claramente visualizado, com suaviza\u00e7\u00e3o caracter\u00edstica e arredondamento das extremidades, bem como fechamento completo do canal medular. O tratamento da falsa articula\u00e7\u00e3o \u00e9 exclusivamente cir\u00fargico. Requer a excis\u00e3o de tecidos cicatriciais, a abertura dos canais medulares e a fixa\u00e7\u00e3o est\u00e1vel dos fragmentos.<\/p>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pseudoartrose (do grego <em>pseudes<\/em> \u2014 falso e <em>arthron<\/em> \u2014 articula\u00e7\u00e3o) \u00e9 um estado patol\u00f3gico caracterizado por uma ruptura persistente na integridade \u00f3ssea com mobilidade anormal no local de uma fratura anterior. <\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-3867","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>Pseudoartrose: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Pseudoartrose (do grego pseudes \u2014 falso e arthron \u2014 articula\u00e7\u00e3o) \u00e9 um 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