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Updated: May 25, 2026

An In Vitro Bladder Model of Catheter-Associated Urinary Tract Infection

An In Vitro Bladder Model of Catheter-Associated Urinary Tract Infection

Published on: June 24, 2025

Urinary catheter-associated infections.

Lindsay E Nicolle¹

¹Department of Internal Medicine and Medical Microbiology, University of Manitoba Health Sciences Centre, Room GG443 - 820, Sherbrook Street, Winnipeg, MB R3A 1R9, Canada. lnicolle@hsc.mb.ca

Infectious Disease Clinics of North America

|January 31, 2012

Summary

This summary is machine-generated.

Catheter-acquired urinary infections are common healthcare-associated infections. Preventing them involves limiting urinary catheter use and discontinuing them promptly, using alternatives when possible.

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Area of Science:

Healthcare-associated Infections
Medical Device Infections
Urology

Background:

Catheter-acquired urinary infection (CAUTI) is the most frequent device-associated healthcare-associated infection.
While often asymptomatic, symptomatic CAUTI increases patient morbidity and healthcare costs.
Long-term indwelling urinary catheters present greater microbiological complexity and morbidity risks compared to short-term use.

Purpose of the Study:

To review the prevention strategies for catheter-acquired urinary infections.
To highlight the risks associated with indwelling urinary catheters.
To emphasize the importance of judicious catheter use and alternative bladder management.

Main Methods:

Review of existing literature on catheter-acquired urinary infections.
Analysis of the impact of catheter duration on infection rates and morbidity.
Evaluation of alternative bladder management techniques.

Main Results:

Indwelling urinary catheters are a primary source of healthcare-associated infections.
Longer catheter duration correlates with increased risk of complex infections and morbidity.
Alternative methods like external condom catheters and intermittent catheterization can reduce CAUTI risk.

Conclusions:

Restricting indwelling urinary catheter use to essential indications is the most effective prevention strategy.
Early discontinuation of urinary catheters is crucial for reducing infection risk.
Exploring and utilizing alternative bladder management options should be prioritized whenever feasible.