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A transmiss\u00e3o do v\u00edrus ocorre pelas vias oral, nasal e conjuntival, mas a principal fonte de infec\u00e7\u00e3o em filhotes \u00e9 a transmiss\u00e3o pelas m\u00e3es ao nascer ou durante as primeiras semanas de vida. O v\u00edrus tem tropismo por c\u00e9lulas epiteliais do trato respirat\u00f3rio, conjuntiva, c\u00f3rnea e nasofaringe. O v\u00edrus se espalha pelos nervos sensoriais e atinge os g\u00e2nglios trig\u00eameos, que s\u00e3o os principais locais de lat\u00eancia.
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Animais jovens com infec\u00e7\u00e3o ativa podem apresentar febre, letargia, espirros, secre\u00e7\u00e3o ocular, secre\u00e7\u00e3o nasal, conjuntivite, ulcera\u00e7\u00e3o da c\u00f3rnea e ceratite. Ocasionalmente, aparecem \u00falceras dendr\u00edticas na c\u00f3rnea, consideradas patognom\u00f4nicas. Gatos adultos podem desenvolver les\u00f5es no momento da reativa\u00e7\u00e3o viral (recrudesc\u00eancia), como ceratite estromal, ceratite eosinof\u00edlica, forma\u00e7\u00e3o de sequestro da c\u00f3rnea e\/ou ceratoconjuntivite seca. Alguns animais podem desenvolver les\u00f5es cr\u00f3nicas no trato respirat\u00f3rio superior e danos nos tecidos conjuntivais e na c\u00f3rnea.<\/p>\n
A recorr\u00eancia dos sintomas cl\u00ednicos da doen\u00e7a ocular pode ocorrer periodicamente ao longo da vida, especialmente durante per\u00edodos de doen\u00e7a sist\u00eamica, estresse e uso de glicocortic\u00f3ides.<\/p>\n
O diagn\u00f3stico geralmente \u00e9 baseado na apar\u00eancia cl\u00ednica, hist\u00f3ria do paciente e colora\u00e7\u00e3o com fluoresce\u00edna e col\u00edrio de rosa bengala. O m\u00e9todo preferido para detectar v\u00edrus em amostras biol\u00f3gicas \u00e9 a PCR.<\/p>\n
O tratamento inclui antibi\u00f3ticos t\u00f3picos e orais para prevenir infec\u00e7\u00f5es bacterianas secund\u00e1rias, antivirais t\u00f3picos ou orais e suplementos diet\u00e9ticos para fortalecer o sistema imunol\u00f3gico do paciente. Alguns danos ao tecido conjuntival e \u00e0 c\u00f3rnea requerem cirurgia oft\u00e1lmica ou terapias t\u00f3picas de longo prazo.<\/p>\n","protected":false},"excerpt":{"rendered":"
O herpesv\u00edrus felino-1 (FHV-1) \u00e9 uma das principais causas de morbidade felina. Os gatos jovens est\u00e3o mais predispostos \u00e0 doen\u00e7a prim\u00e1ria aguda e, ap\u00f3s exposi\u00e7\u00e3o ao v\u00edrus, praticamente todos os gatos ficam infectados de forma persistente e muitos desenvolver\u00e3o doen\u00e7as recorrentes ao longo da vida. Cerca de 75% a 97% da popula\u00e7\u00e3o mundial de gatos […]\n","protected":false},"author":1,"featured_media":8204,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8212","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sem-categoria"],"yoast_head":"\n
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