{"id":8334,"date":"2024-01-30T12:14:05","date_gmt":"2024-01-30T15:14:05","guid":{"rendered":"https:\/\/cloveonline.com\/?p=8334"},"modified":"2025-09-03T16:32:58","modified_gmt":"2025-09-03T19:32:58","slug":"ceratite-superficial-cronica","status":"publish","type":"post","link":"https:\/\/cloveonline.com\/?p=8334&lang=pt","title":{"rendered":"Ceratite Superficial Cr\u00f4nica"},"content":{"rendered":"

O que \u00e9 ceratite superficial cr\u00f4nica?<\/h4>\n

\u00c9 uma doen\u00e7a bilateral, inflamat\u00f3ria e progressiva da c\u00f3rnea canina, tamb\u00e9m conhecida como pannus ou s\u00edndrome de \u00dcberreiter.<\/p>\n

Caracteriza-se pela forma\u00e7\u00e3o de vasos sangu\u00edneos, tecido fibroso e, em casos cr\u00f4nicos, pelo dep\u00f3sito de pigmentos que acabam causando opacidade da c\u00f3rnea. A les\u00e3o geralmente se inicia no quadrante lateral inferior da c\u00f3rnea e com a progress\u00e3o pode atingir a c\u00f3rnea completamente, levando \u00e0 cegueira (figura 1). \u00c0s vezes, despigmenta\u00e7\u00e3o e inflama\u00e7\u00e3o da margem livre da membrana nictitante podem coexistir (figura 2).<\/p>\n

Qual \u00e9 a causa?<\/h4>\n

Tem sido associada a altera\u00e7\u00f5es no sistema imunol\u00f3gico. Al\u00e9m disso, sabe-se que a exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o ultravioleta est\u00e1 envolvida tanto no in\u00edcio quanto na progress\u00e3o da inflama\u00e7\u00e3o. A incid\u00eancia e a gravidade aumentam em \u00e1reas geogr\u00e1ficas com altitudes superiores a 1200 metros acima do n\u00edvel do mar. A doen\u00e7a j\u00e1 foi identificada em c\u00e3es de ra\u00e7as como Akita Inu, Pastor Australiano, Pastor Belga, Border Collie, Dachshund, D\u00e1lmata, Golden Retriever, Greyhound, Labrador Retriever, Poodle, Shetland Sheepdog, Husky Siberiano, entre outras. No entanto, na maioria dos casos, esta condi\u00e7\u00e3o \u00e9 observada no pastor alem\u00e3o e seus cruzamentos, sugerindo que um fator heredit\u00e1rio pode estar envolvido.<\/p>\n

\u00c9 uma doen\u00e7a que produz dor?<\/h4>\n

Os animais doentes parecem n\u00e3o apresentar dor, embora haja uma diminui\u00e7\u00e3o da sua qualidade de vida, devido \u00e0 diminui\u00e7\u00e3o da vis\u00e3o ou \u00e0 cegueira.<\/p>\n

Como \u00e9 diagnosticado?<\/h4>\n

O diagn\u00f3stico \u00e9 feito com base nos sinais cl\u00ednicos e na predisposi\u00e7\u00e3o racial do paciente, al\u00e9m disso, deve-se descartar a defici\u00eancia lacrimal e outras causas de doen\u00e7a da c\u00f3rnea que tornem necess\u00e1ria a realiza\u00e7\u00e3o de um exame oftalmol\u00f3gico completo por um especialista. A avalia\u00e7\u00e3o citol\u00f3gica pode ser \u00fatil para identificar plasm\u00f3citos, linf\u00f3citos e mast\u00f3citos.<\/p>\n

Qual \u00e9 o tratamento e qual \u00e9 o progn\u00f3stico?<\/h4>\n

Drogas imunomoduladoras s\u00e3o usadas de forma t\u00f3pica, subconjuntival ou atrav\u00e9s de implantes. Al\u00e9m do tratamento m\u00e9dico, \u00e9 indicado proteger constantemente os pacientes dos raios solares. Em alguns animais \u00e9 recomendado o uso de \u00f3culos veterin\u00e1rios com prote\u00e7\u00e3o contra luz ultravioleta (figura 3). Apesar de n\u00e3o ser uma doen\u00e7a cur\u00e1vel, pode ser controlada desde que seguidas as indica\u00e7\u00f5es do oftalmologista veterin\u00e1rio. Tanto a idade de apresenta\u00e7\u00e3o do quadro cl\u00ednico quanto a ra\u00e7a s\u00e3o fatores progn\u00f3sticos importantes. Sabe-se, por exemplo, que em c\u00e3es da ra\u00e7a Pastor Alem\u00e3o com idade entre 1 e 5 anos, a doen\u00e7a \u00e9 grave e progride rapidamente, enquanto em c\u00e3es entre 4 e 6 anos as les\u00f5es s\u00e3o menos intensas e progridem lentamente, respondendo melhor ao manejo m\u00e9dico. \u00c9 importante ter presente que, dada a cronicidade desta doen\u00e7a, os doentes ir\u00e3o necessitar de tratamento ao longo da vida e de acompanhamento cl\u00ednico constante para ajuste da terap\u00eautica se necess\u00e1rio.<\/p>\n

Figuras:<\/h4>\n
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\n

Figura 1. Aspecto cl\u00ednico da doen\u00e7a. C\u00f3rnea com sinais de neovasculariza\u00e7\u00e3o, tecido fibroso e pigmenta\u00e7\u00e3o na regi\u00e3o lateral inferior (a). Se n\u00e3o for tratada prontamente, a doen\u00e7a pode progredir para afetar completamente o tecido da c\u00f3rnea e causar cegueira (b).<\/p>\n<\/div><\/div>\n<\/div>\n

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\"\"<\/p>\n<\/div><\/div>\n

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Figura 2. A doen\u00e7a pode ser acompanhada de despigmenta\u00e7\u00e3o e inflama\u00e7\u00e3o da conjuntiva da membrana nictitante.<\/p>\n<\/div><\/div>\n<\/div>\n

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\"\"<\/p>\n<\/div><\/div>\n

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Figura 3. Paciente com boa adapta\u00e7\u00e3o aos \u00f3culos de prote\u00e7\u00e3o contra luz ultravioleta.<\/p>\n<\/div><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

O que \u00e9 ceratite superficial cr\u00f4nica? \u00c9 uma doen\u00e7a bilateral, inflamat\u00f3ria e progressiva da c\u00f3rnea canina, tamb\u00e9m conhecida como pannus ou s\u00edndrome de \u00dcberreiter. Caracteriza-se pela forma\u00e7\u00e3o de vasos sangu\u00edneos, tecido fibroso e, em casos cr\u00f4nicos, pelo dep\u00f3sito de pigmentos que acabam causando opacidade da c\u00f3rnea. A les\u00e3o geralmente se inicia no quadrante lateral inferior […]\n","protected":false},"author":1,"featured_media":8444,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sem-categoria"],"yoast_head":"\nCeratite Superficial Cr\u00f4nica - CLOVE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cloveonline.com\/?p=8334&lang=pt\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ceratite Superficial Cr\u00f4nica - CLOVE\" \/>\n<meta property=\"og:description\" content=\"O que \u00e9 ceratite superficial cr\u00f4nica? \u00c9 uma doen\u00e7a bilateral, inflamat\u00f3ria e progressiva da c\u00f3rnea canina, tamb\u00e9m conhecida como pannus ou s\u00edndrome de \u00dcberreiter. Caracteriza-se pela forma\u00e7\u00e3o de vasos sangu\u00edneos, tecido fibroso e, em casos cr\u00f4nicos, pelo dep\u00f3sito de pigmentos que acabam causando opacidade da c\u00f3rnea. 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