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Urology1 paper

Urinary tract infection caused by Pseudomonas

Last edited: 4/10/2026

Overview

Pseudomonas species are Gram-negative bacilli that can cause urinary tract infections (UTIs), particularly in healthcare settings and in individuals with underlying urinary tract abnormalities or instrumentation 1. Pseudomonas aeruginosa is a common cause of complicated UTIs and is often associated with antibiotic resistance 1.

Diagnosis

Diagnosis is typically made via urine culture, identifying Pseudomonas* species and determining antibiotic susceptibility 1. Complicated UTIs, often associated with Pseudomonas*, may require further investigation to identify underlying causes such as anatomical abnormalities or stones 1.

Management

Treatment of Pseudomonas* UTIs generally requires antibiotics with appropriate activity against the specific isolate, often guided by susceptibility testing 1. Commonly used antibiotic classes for susceptible Pseudomonas* infections include fluoroquinolones, aminoglycosides, and extended-spectrum cephalosporins or carbapenems, depending on resistance patterns 1. Nonantibiotic interventions such as D-mannose, vaccines, probiotics, and cranberry products have shown efficacy in preventing recurrent UTIs, though their specific role in Pseudomonas* UTIs is not detailed 1.

Special Populations

  • Probiotics were found to be most effective in the nonadult group for UTI prevention 1.
  • Vitamin D showed the highest efficacy in the long follow-up group (≥ 1 year) for UTI prevention 1.
  • Key Recommendations

  • Nonantibiotic interventions like D-mannose, vaccines, probiotics, cranberry, and triple therapy (cranberry plus probiotics plus vitamin A) can significantly reduce UTI incidence compared to placebo 1. (Evidence: Strong)
  • Probiotics are particularly effective in preventing UTIs in the nonadult population 1. (Evidence: Strong)
  • Vitamin D demonstrates high efficacy in preventing UTIs in individuals with long-term follow-up (≥ 1 year) 1. (Evidence: Strong)
  • References

    1 Han Z, Yi X, Li J, Liao D, Ai J. Nonantibiotic prophylaxis for urinary tract infections: a network meta-analysis of randomized controlled trials. Infection 2025. link

    Original source

    1. [1]

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