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Glossite por Actinobacillus equuli subsp. equuli em um equino / Glossitis by Actinobacillus equuli subsp. equuli in an equine

Toma, Hugo Shisei; Carvalho, Mariana Bueno; Carvalho, Armando de Mattos; Cruz, Raquel Aparecida Sales da; Schein, Fábio Bernardo; Martins, Kamila Peruchi Fernandes; Toma, Claudia Dias Monteiro; Cabral, Luciano da Silva.
Acta Sci. vet.; 48(suppl.1): Pub. 478, 28 jan. 2020. ilus
Artigo em Português | VETINDEX | ID: vti-25644

Resumo

Background: Actinobacillosis in adult horses is rare, and is often associated with infection due to Actinobacillus equulisubsp. equuli, which is a commensal organism inhabiting the oral cavity of healthy animals. It is an opportunistic pathogen,and the infection usually occurs secondary to another primary disease or due to predisposing factors such as pre-existinglesions, mainly in the oral cavity. Infection may be associated with peritonitis, bacterial endocarditis, pneumonia, enteritis,infectious periorchitis, abortion, and septicemia. This paper aims to describe the clinical, microbiological, and pathologicalaspects of actinobacillosis in the oral cavity of a horse.Case: A case of actinobacillosis has been reported in a 22-year-old gelding Quarter Horse. According to the owner, theanimal presented with progressive weight loss during the previous three months, and leakage of food from the oral cavity.Examination of the oral cavity revealed sharp enamel overgrowths, which had been corrected during a previous dentalprocedure. However, five days after the procedure, the animal developed halitosis. Ceftiofur sodium (4.4 mg/kg intramuscularly, every 24 h) was prescribed; two days after the commencement of antimicrobial therapy, the animal presented withsialorrhea, bilateral submandibular lymphadenomegaly, protrusion of the tongue, edema of the base of the tongue, cheeks,and gums, in addition to black-colored sores and scales in the oral mucosa, particularly affecting the base of the tongue andgums. Samples from ulcerative lesions found at the base of the tongue and gums were collected using sterile swabs, andculture and antibiogram were requested. Microbiological culture led to the growth of small colonies measuring less than5 mm in diameter, that were non-hemolytic, slightly whitish in color but non-opaque, smooth and bright in appearance.These were identified as gram-negative rods on microscopy, and further characterized...(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1