Effectiveness of tobramycin and ciprofloxacin against bacterial isolates in canine otitis externa in Uberaba
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Data
2019
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Editor
Luiz Augusto Batista Brito
Resumo
Canine otitis externa is a common and recurrent disease in domestic dogs. Although not being life
threatening, it can result in the overuse of antibiotics, increased bacterial resistance and reduction
of options for treatment. This study aimed to determine: the principal characteristics (age, race, and
gender) of dogs affected by otitis externa; the most frequently bacteria identified as being associated
with it and their antimicrobial resistance profiles. A total of 221 bacterial isolates were identified by
morphological staining and biochemical processes and tested against eleven antibiotics. Among the
148 dogs diagnosed with otitis externa, 51.4% (76/148) were males and 48.6% (72/148) females.
The cases were detected mainly in dogs with age above 7 years (54.7%; 81/148. Among the races
examined, poodles were the most numerous (14.84%; 22/148). The most common bacteria found were:
coagulase-negative Staphylococcus (StCN), 33.9% (75/221); coagulase-positive Staphylococcus
(StCP), 19% (42/221); Proteus spp., 17.2% (38/221) and Pseudomonas aeruginosa, 9.5% (21/221).
Simultaneous resistance to more than three classes of antimicrobials were most frequently detected in
P. aeruginosa (61.9%; 13/21) and Proteus spp (39.47%; 15/38). According to data obtained from this
study, two veterinary medications found to be most effective for topical treatment were tobramycin
and ciprofloxacin.
Descrição
Palavras-chave
Antimicrobial, Bacteria infection, Dogs, Ear, Resistance, Antimicrobiano, Infecção bacteriana, Cães, Orelhas, Resistência
Citação
SANTOS, Jandra Pacheco dos; FERREIRA JÚNIOR, Álvaro; LOCCE, Carla Cunha; BRASÃO, Silvia Cassimiro; BITTAR, Eustáquio Resende; BITTAR, Joely Ferreira Figueiredo. Effectiveness of tobramycin and ciprofloxacin against bacterial isolates in canine otitis externa in Uberaba. Minas Gerais. Ciência Animal Brasileira, Goiânia, v. 20, p. e52164, 2019.