Peer-reviewed veterinary case report
Risk factors for positive urine cultures after ureteral bypass in cats
By Pennington, Catrina E et al.·Published in Journal of feline medicine and surgery·2021·Department of Surgery, United Kingdom·View original on PubMed →
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Original publication title: Factors associated with positive urine cultures in cats with subcutaneous ureteral bypass system implantation.
- Species:
- cat
Plain-English summary
A group of cats that had surgery to implant a subcutaneous ureteral bypass system (a device to help with urinary blockages) were monitored for urinary infections afterward. Out of 118 cats, 10 had a positive urine culture within a month, and 28 within a year. Cats that had a positive urine culture before surgery were more likely to have the same issue after surgery, while those with a higher body temperature during surgery were less likely to develop infections. Managing these factors can help reduce the risk of infections after this type of surgery.
People also search for: cat urinary infection after surgery · subcutaneous ureteral bypass complications · cat urine culture results
Abstract
OBJECTIVES: The aims of this study were to report the postoperative incidence of subcutaneous ureteral bypass (SUB)-associated bacteriuria and risk factors in a large population of UK cats, to identify the commonly implicated isolates in these cases and to report associations of positive postoperative urine cultures with device occlusion or a need for further surgery. METHODS: Electronic clinical records were reviewed to identify cats with ureteral obstruction that underwent unilateral or bilateral SUB implantation between September 2011 and September 2019. In total, 118 client-owned cats were included in the study population. Information recorded included signalment, history, surgical and biochemical factors, urinalysis and culture results. Multivariable logistic regression was performed to identify variables associated with a positive postoperative culture. RESULTS: In total, 10 cats (8.5%) had a positive postoperative culture within 1 month postsurgery and 28 cats (23.7%) within 1 year postsurgery. Cats with a positive preoperative culture were significantly more likely to have a positive culture within 6 months postoperatively (odds ratio [OR] 4.09, 95% confidence interval [CI] 1.18-14.18; = 0.026). Of the 14 cats with a positive preoperative culture, six (42.9%) returned a positive culture within 1 year postoperatively, and in four cases (66.7%) the same isolate was identified. Cats with a higher end-anaesthetic rectal temperature were significantly less likely to return a positive culture within 3 months (OR 0.398, 95% CI 0.205-0.772; = 0.006) postsurgery. Cats culturing positive forat any time point (OR 4.542, 95% CI 1.485-13.89; = 0.008) were significantly more likely to have their implant removed or replaced. CONCLUSIONS AND RELEVANCE: Perioperative hypothermia and preoperative positive culture were independent predictors of a postoperative positive culture and this should be taken into consideration when managing these cases. Positive postoperative culture rates were higher than have previously been reported.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/32840421/