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Prevalence of bacteriuria in dogs without clinical signs of urinary tract infection presenting for elective surgical procedures

McGhie, J.A., Stayt, J. and Hosgood, G.L. (2014) Prevalence of bacteriuria in dogs without clinical signs of urinary tract infection presenting for elective surgical procedures. Australian Veterinary Journal, 92 (1-2). pp. 33-37.

Link to Published Version: http://dx.doi.org/10.1111/avj.12140
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Abstract

Objectives: To determine the frequency of bacteriuria in dogs presenting for elective surgery, to compare the frequency of bacteriuria in dogs presenting for orthopaedic (non-neurological) procedures to that of dogs presenting for soft tissue procedures and to measure the agreement of microscopic visualisation of bacteria in urine sediment with the occurrence of bacterial growth on culture. Methods: Prospective cohort study of 140 client-owned dogs. Urine was collected via prepubic cystocentesis prior to or immediately after induction of anaesthesia. Urine was submitted for quantitative bacteriological culture and urinalysis. The dogs' age, sex, weight and breed were recorded, as well as the surgical procedure performed. Results: In total, 80 orthopaedic and 60 soft tissue surgical cases were included in the study; 3 dogs (2.1%) returned bacterial growth on culture (positive urine culture) and 19 (13.6%) recorded urine sediment with pyuria and/or bacteriuria on urinalysis (positive urinalysis). All dogs with positive urine culture were female and two of them underwent orthopaedic procedures. Each bitch had growth of Escherichia coli >105CFU/mL. The agreement between positive urinalysis and positive urine culture was poor (κ = 0.15). Conclusions: The prevalence of bacteriuria in dogs without clinical signs of urinary tract infection in this population was low (2.1%). An at-risk population could not be identified because of the small number of positive outcomes. A positive urinalysis showed poor agreement with urine culture results and therefore the decision to treat without performing a urine culture is not advised.

Publication Type: Journal Article
Murdoch Affiliation: School of Veterinary and Life Sciences
Publisher: Wiley-Blackwell
Copyright: © 2014 Australian Veterinary Association.
URI: http://researchrepository.murdoch.edu.au/id/eprint/21003
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