Cirurgia corretiva para coloboma palpebral em um felino através da técnica de transposição da comissura labial / Corrective surgery for palpebral coloboma in a feline using the technique of transposition of the lip commissure
Girondi, Giulia Brambila; Krebs, Carlos Otávio Eggres; Farencena, Fernanda Iensen; Corrêa, Luís Felipe Dutra.
Acta sci. vet. (Impr.);
49(suppl.1): Pub.657-Jan 4, 2021. ilus
Artigo
em Português
| VETINDEX
| ID: biblio-1458517
Resumo
Background: Eyelid coloboma is considered a disease caused by failure in eye development during the first semester of pregnancy. In felines, its prevalence occurs in the upper eyelids, temporal region, and bilaterally. Coloboma, whether to a large or small extent, can lead to keratoconjunctivitis sicca and trichiasis, situations that can give rise to secondary ulcerative keratitis. The only corrective method is blepharoplasty. The current work aims to report the case of corrective surgery for eyelid coloboma in a feline with a successful postoperative period, in order to corroborate the effectiveness of the technique. We also report a finding of persistent pupillary membrane. Case: A 7-month-old male feline, no defined breed, was analyzed with a purulent mucus secretion and signs of discomfort in the right eye. After the ophthalmic screening, the presence of a coloboma was identified, which occupied approximately 50% of the size of the upper eyelid, in the temporal-dorsal region of the right eye. The cat had already undergone an enucleation of the left eye due to a perforation arising from ulcerative keratitis. Together with coloboma, the presence of blepharospasm, trichiasis, keratoconjunctivitis sicca, and secondary ulcerative keratitis were diagnosed. The presence of persistent pupillary membrane was also observed, a rare condition in the feline species. To confirm the ulcer, the fluorescein test was applied and treatment with antibiotic eye drops and lacrimomimetics (tear film replacements) drops was administered until the day of surgery, one week later. Concomitant with the institution of treatment prior to surgery, blood was collected for complementary pre-surgical tests such as blood count and biochemistry, which demonstrated satisfactory results. Corrective surgery was then instituted by the technique of transposing the labial commissure...
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