{"id":5133,"date":"2025-05-05T15:00:27","date_gmt":"2025-05-05T18:00:27","guid":{"rendered":"https:\/\/sbrv.org\/paciente\/?post_type=doenca&#038;p=5133"},"modified":"2025-05-05T15:33:22","modified_gmt":"2025-05-05T18:33:22","slug":"retinopatias-autoimunes","status":"publish","type":"doenca","link":"https:\/\/sbrv.org\/paciente\/doencas-retina\/retinopatias-autoimunes\/","title":{"rendered":"Retinopatias Autoimunes: O que s\u00e3o, Sintomas, Diagn\u00f3stico e Tratamentos | SBRV"},"content":{"rendered":"\n<p>\nAs retinopatias autoimunes s\u00e3o um grupo de doen\u00e7as nas quais o sistema imunol\u00f3gico ataca os ant\u00edgenos da retina, levando \u00e0 degenera\u00e7\u00e3o progressiva dos fotorreceptores e, consequentemente, \u00e0 perda visual. Embora raras, essas condi\u00e7\u00f5es t\u00eam impacto significativo na qualidade de vida e podem estar associadas a neoplasias ou s\u00edndromes paraneopl\u00e1sicas<sup>1<\/sup>.\n<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O QUE S\u00c3O RETINOPATIAS AUTOIMUNES?<\/h2>\n\n\n\n<p>\nS\u00e3o condi\u00e7\u00f5es caracterizadas pela produ\u00e7\u00e3o de autoanticorpos contra prote\u00ednas retinianas (como recoverina e enolase), provocando inflama\u00e7\u00e3o e apoptose das c\u00e9lulas fotorreceptoras.\n<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Exemplos:<\/strong> retinopatia paraneopl\u00e1sica (CAR \u2013 retinopatia associada ao c\u00e2ncer, MAR \u2013 retinopatia associada ao melanoma), retinite autoimune idiop\u00e1tica.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">CAUSAS E FATORES DE RISCO<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Neoplasias ocultas: pulm\u00e3o, mama, melanoma.<\/li>\n\n\n\n<li>Predisposi\u00e7\u00e3o gen\u00e9tica: variantes em HLA (ant\u00edgenos leucocit\u00e1rios humanos).<\/li>\n\n\n\n<li>Mais frequente em adultos entre 50\u201370 anos.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">SINTOMAS<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vis\u00e3o cintilante ou com flashes de luz (fosfenos).<\/li>\n\n\n\n<li>Manchas escuras (escotomas) centrais ou perif\u00e9ricos.<\/li>\n\n\n\n<li>Redu\u00e7\u00e3o da acuidade visual, especialmente \u00e0 noite (nictalopia) ou em ambientes claros (hemeralopia).<\/li>\n\n\n\n<li>Fotofobia (sensibilidade \u00e0 luz).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">DIAGN\u00d3STICO<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>ERG (eletrorretinograma):<\/strong> revela redu\u00e7\u00e3o nas amplitudes das ondas A e\/ou B.<\/li>\n\n\n\n<li><strong>Autoanticorpos s\u00e9ricos:<\/strong> identificados por m\u00e9todos como Western blot.<\/li>\n\n\n\n<li><strong>OCT (Tomografia de Coer\u00eancia \u00d3ptica):<\/strong> pode mostrar afinamento da camada de fotorreceptores.<\/li>\n\n\n\n<li><strong>Pesquisa de neoplasias ocultas:<\/strong> exames de imagem corporal s\u00e3o indicados, especialmente em suspeitas de retinopatia paraneopl\u00e1sica.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">TRATAMENTO<\/h2>\n\n\n\n<p>\nA base do tratamento \u00e9 a imunossupress\u00e3o com corticosteroides sist\u00eamicos. Em casos refrat\u00e1rios, podem ser utilizados imunomoduladores ou agentes biol\u00f3gicos, como o rituximabe<sup>2<\/sup>.\n<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PROGN\u00d3STICO<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sem tratamento precoce, a progress\u00e3o pode ser r\u00e1pida.<\/li>\n\n\n\n<li>A estabiliza\u00e7\u00e3o visual \u00e9 poss\u00edvel em cerca de 30\u201350% dos casos com terapia imunossupressora adequada.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">PREVEN\u00c7\u00c3O E CUIDADOS<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pesquisa ativa de neoplasias, principalmente em casos de retinopatia paraneopl\u00e1sica.<\/li>\n\n\n\n<li>Monitoramento oftalmol\u00f3gico frequente e ajuste cont\u00ednuo da imunoterapia.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">PERGUNTAS FREQUENTES<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u00c9 cur\u00e1vel?<\/strong><br>\u2013 N\u00e3o, mas o tratamento pode retardar ou estabilizar a progress\u00e3o.<\/li>\n\n\n\n<li><strong>O tratamento \u00e9 vital\u00edcio?<\/strong><br>\u2013 Frequentemente prolongado, com doses ajustadas conforme a resposta cl\u00ednica.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">REFER\u00caNCIAS BIBLIOGR\u00c1FICAS<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Thirkill CE, et al. Autoimmune retinopathies. <em>Am J Ophthalmol<\/em>. 2003;136(3):496\u2013505.<\/li>\n\n\n\n<li>Adamus G, et al. Rituximab in CAR. <em>Ophthalmology<\/em>. 2015;122(8):1575\u20131582.<\/li>\n<\/ol>\n","protected":false},"template":"","class_list":["post-5133","doenca","type-doenca","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Retinopatias Autoimunes: O que s\u00e3o, Sintomas, Diagn\u00f3stico e Tratamentos | SBRV - SBRV - \u00c1rea do Paciente<\/title>\n<meta name=\"description\" content=\"Retinopatias autoimunes: conhe\u00e7a causas, sinais e terapias para doen\u00e7as autoimunes da retina. 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