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BACKGROUND: Bacterial urinary tract infections have been associated with comorbidities and increased antimicrobial resistance over time. OBJECTIVE: To identify bacterial species, antimicrobial susceptibility patterns and risk factors associated with antimicrobial resistance. ANIMALS: Three hundred sixty-three positive urine cultures from 308 cats. METHODS: colony forming units per milliliter (cfu/ml) were included. Medical records were reviewed, and bacteriuria was classified as sporadic bacterial cystitis, recurrent bacterial cystitis or subclinical bacteriuria (SBU). Multivariable logistic regression analysis was used to evaluate antimicrobial resistance risk factors. RESULTS: A total of 444 bacterial isolates from 363 bacteriuric episodes were identified. Escherichia coli (52%) and SBU (59%) were the most common organism and classification, respectively. When compared to other classifications of bacteriuria, Enterococcus spp. were more likely to be isolated from SBU episodes (P 90% susceptible designation to all bacteria isolated highlighting the importance of performing urine culture and susceptibility testing, particularly for cats with recurrent bacterial cystitis.
Koontz et al. (Wed,) studied this question.