Peer-reviewed veterinary case report
Bacteriuria in dogs: risk factors and antibiotic resistance trends
By Decôme, Magali et al.·Published in Canadian journal of veterinary research = Revue canadienne de recherche veterinaire·2020·Department of Small Animal Clinical Studies, France·View original on PubMed →
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Original publication title: Clinical significance ofbacteriuria in dogs, risk factors and antimicrobial susceptibility.
- Species:
- dog
Plain-English summary
A group of dogs with urinary tract infections (UTIs) were found to have bacteria in their urine, which often indicated serious conditions like bacterial cystitis (bladder infection) or pyelonephritis (kidney infection). Most of these dogs had risk factors such as a dirty area around their genitals or an underdeveloped vulva. While some bacteria were resistant to certain antibiotics, most were still treatable with common medications like amoxicillin. This study highlights the importance of addressing hygiene and risk factors to prevent complicated UTIs in dogs.
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Abstract
The objectives of this study were to describe theantimicrobial susceptibility and clinical significance ofin canine bacteriuria and to identify the risk factors associated withurinary tract infections. This is a retrospective observational study of 48-positive canine urinary cultures. Only 22 of the 48isolates (45.8%) were non-susceptible to at least one tested antimicrobial. Mostisolates (98%) were susceptible to enrofloxacin, 93.7% to amoxicillin/clavulanic acid, and 85.4% to ampicillin, cephalothin, and trimethoprim-sulfamethoxazole. Five multidrug-resistant isolates were detected (10.4%). A significant increase in antimicrobial resistance was observed over the study period. Positivecultures were associated with bacterial cystitis in 36 of 39 dogs (92.3%), pyelonephritis in 2 of 39 dogs (5.1%), and one dog had both bacterial cystitis and pyelonephritis (2.5%). There was no subclinical bacteriuria. Most urinary tract infections were complicated as risk factors were identified in 37 of 39 dogs (94.8%). The most commonly identified risk factors were the presence of a contaminated peri-vulvar area with urine/feces or a hypoplastic vulva. To conclude,bacteriuria was associated with upper and lower urinary tract infections in this study and was found more frequently in complicated bacterial cystitis. Multidrug-resistant isolates and increasedantimicrobial resistance have been identified over the last 10 years, but most isolates remain susceptible to first-line antimicrobials such as amoxicillin and trimethoprim-sulfamethoxazole.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/33012973/