{"id":5119,"date":"2025-05-05T13:36:26","date_gmt":"2025-05-05T16:36:26","guid":{"rendered":"https:\/\/sbrv.org\/paciente\/?post_type=doenca&#038;p=5119"},"modified":"2025-05-05T15:24:26","modified_gmt":"2025-05-05T18:24:26","slug":"oclusoes-venosas-retina","status":"publish","type":"doenca","link":"https:\/\/sbrv.org\/paciente\/doencas-retina\/oclusoes-venosas-retina\/","title":{"rendered":"Oclus\u00f5es Venosas da Retina: O que \u00e9, Sintomas, Diagn\u00f3stico e Tratamentos | SBRV"},"content":{"rendered":"\n<p>As oclus\u00f5es venosas da retina (OVR) s\u00e3o obstru\u00e7\u00f5es em veias retinianas que provocam edema, isquemia e neovasculariza\u00e7\u00e3o. Representam a segunda causa de perda visual vascular retiniana, atr\u00e1s apenas da retinopatia diab\u00e9tica<sup>1<\/sup>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O QUE \u00c9 OVR?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Oclus\u00e3o de veia central da retina (OVCR):<\/strong> acomete a veia principal.<\/li>\n\n\n\n<li><strong>Oclus\u00e3o de ramo venoso da retina (ORVR):<\/strong> acomete ramos segmentares.<\/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>Hipertens\u00e3o arterial.<\/li>\n\n\n\n<li>Glaucoma de \u00e2ngulo aberto.<\/li>\n\n\n\n<li>Hipercoagulabilidade (trombofilia).<\/li>\n\n\n\n<li>Idade > 60 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 emba\u00e7ada s\u00fabita (OVCR).<\/li>\n\n\n\n<li>Perda parcial de vis\u00e3o (ORVR).<\/li>\n\n\n\n<li>Moscas volantes e fotopsias.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">DIAGN\u00d3STICO<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Angiofluoresceinografia:<\/strong> delimita \u00e1rea de oclus\u00e3o e isquemia.<\/li>\n\n\n\n<li><strong>OCT:<\/strong> avalia edema macular secund\u00e1rio.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">TRATAMENTO<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Anti-VEGF intrav\u00edtreo:<\/strong> aflibercepte, bevacizumabe, ranibizumabe<sup>2<\/sup>.<\/li>\n\n\n\n<li><strong>Inje\u00e7\u00f5es de esteroides:<\/strong> implantes de dexametasona.<\/li>\n\n\n\n<li><strong>Laser de grade focal e scatter:<\/strong> evita neovasculariza\u00e7\u00e3o e reduz edema.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">PROGN\u00d3STICO<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ORVR:<\/strong> 50\u201360 % mant\u00eam vis\u00e3o \u226520\/40 com tratamento precoce.<\/li>\n\n\n\n<li><strong>OVCR:<\/strong> pior progn\u00f3stico; vis\u00e3o \u226520\/200 em muitos casos.<\/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>Controle da press\u00e3o arterial e fatores de risco cardiovascular.<\/li>\n\n\n\n<li>Acompanhamento semestral em casos de glaucoma e hipertens\u00e3o.<\/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>OVC \u00e9 emerg\u00eancia?<\/strong><br>\u2013 Sim; procure avalia\u00e7\u00e3o oftalmol\u00f3gica imediata.<\/li>\n\n\n\n<li><strong>Inje\u00e7\u00f5es s\u00e3o eficazes?<\/strong><br>\u2013 Melhoram edema e vis\u00e3o em 60\u201370 % dos casos.<\/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>Rogers S, et al. Natural history of retinal vein occlusion. <em>Ophthalmology<\/em>. 2010;117(6 Suppl):S3\u2013S12.<\/li>\n\n\n\n<li>Campochiaro PA, et al. Anti-VEGF for macular edema in retinal vein occlusions. <em>N Engl J Med<\/em>. 2011;364(13):1193\u20131204.<\/li>\n<\/ol>\n","protected":false},"template":"","class_list":["post-5119","doenca","type-doenca","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Oclus\u00f5es Venosas da Retina: O que \u00e9, Sintomas, Diagn\u00f3stico e Tratamentos | SBRV - SBRV - \u00c1rea do Paciente<\/title>\n<meta name=\"description\" content=\"Entenda as oclus\u00f5es venosas da retina, seus sintomas e tratamentos. 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