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Microorganisms attached to the lumens and balloons of indwelling urinary catheters and correlation with symptoms, antibiotic use, and catheter specimen of urine results

Belfield, Katherine; Kalith, Sajitha; Aimar, Kelsey; Parkinson, Richard; Bayston, Roger

Authors

Katherine Belfield

Sajitha Kalith

Kelsey Aimar

Richard Parkinson



Abstract

Purpose: To quantify and identify microorganisms attached to the lumens and balloons of removed urethral urinary catheters and relate this to patient-specific information.
Methodology: Indwelling urethral urinary catheters were collected from patients at a large teaching hospital in the UK. The balloon and lumen were separated, sonicated, and microorganisms were enumerated from the sonicate. Catheter specimen urine results were retrospectively reviewed.
Results: Sixty-one catheters were analysed. The most commonly isolated organisms were Escherichia coli and Enterococcus faecalis. 19.7% of patients received antibiotics while catheterised and 25% of those had a multi-drug resistant (MDR) organism attached to the lumen. Conversely, only 2.04% of catheters from patients not known to be receiving antibiotics had a MDR organism present. All lumens were colonised irrespective of antibiotic use. Symptom presentation did not correlate with numbers of colonising organisms or species. Despite heavy colonisation, only 8/61 patients were symptomatic.
Conclusion: This study demonstrated that indwelling urinary catheters in place for 10 days or greater were universally colonised and there was no correlation of colonisation with symptom presentation. Symptomatic presentation remains for the most important factor for defining CAUTI.

Journal Article Type Article
Publication Date 2019-04
Journal Journal of Medical Microbiology
Print ISSN 0022-2615
Electronic ISSN 1473-5644
Publisher Microbiology Society
Peer Reviewed Peer Reviewed
Volume 68
Issue 4
Pages 549-554
APA6 Citation Belfield, K., Kalith, S., Aimar, K., Parkinson, R., & Bayston, R. (2019). Microorganisms attached to the lumens and balloons of indwelling urinary catheters and correlation with symptoms, antibiotic use, and catheter specimen of urine results. Journal of Medical Microbiology, 68(4), 549-554. https://doi.org/10.1099/jmm.0.000946
DOI https://doi.org/10.1099/jmm.0.000946
Keywords Microbiology (medical); Microbiology; General Medicine
Publisher URL https://jmm.microbiologyresearch.org/content/journal/jmm/10.1099/jmm.0.000946

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