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An In Vitro Bladder Model of Catheter-Associated Urinary Tract Infection
Published on: June 24, 2025
Preventing infection in elders with long-term indwelling urinary catheters
Linda Muzzi-Bjornson1, Liz Macera
1University of California, San Francisco, California, USA. GNP2BE@yahoo.com
Journal of the American Academy of Nurse Practitioners
|March 2, 2011
Summary
Preventing catheter-associated urinary tract infections (UTIs) in older adults may involve silver-tipped catheters and cranberry extract. These methods show promise for reducing infections without the risks of antibiotic resistance.
Area of Science:
- Gerontology
- Infectious Diseases
- Medical Device Technology
Background:
- Catheter-associated urinary tract infections (UTIs) are a significant concern in older adults.
- Effective prevention strategies are crucial to minimize morbidity and healthcare costs.
Purpose of the Study:
- To explore factors for preventing UTIs in elderly individuals.
- To evaluate the efficacy of silver-tipped catheters, cranberry extract, and bacterial lysate (Escherichia coli OM-89) in UTI prevention.
Main Methods:
- A literature review was conducted, examining studies on UTIs.
- Specific focus on interventions including silver-tipped catheters, cranberry juice/extract, and OM-89.
Main Results:
- Silver-tipped catheters demonstrated an ability to slow biofilm development.
- Cranberry juice/extract presented minimal adverse reactions and avoided antibiotic resistance or C. difficile infections.
- The immune stimulant OM-89 shows potential for simple, cost-effective prevention.
Conclusions:
- Nurse practitioners can implement evidence-based catheter care, including proper assessment, insertion, and use of silver-tipped catheters.
- Cranberry extract may reduce infection rates with no apparent harm.
- Awareness of antibiotic risks, including resistance and C. difficile, is vital for NPs.
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