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Do antibiotics clear bladder infections?

G Reid1

  • 1Department of Microbiology and Immunology, University of Western Ontario, London, Canada.

The Journal of Urology
|September 1, 1994
PubMed
Summary
This summary is machine-generated.

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Bacterial biofilms frequently colonize the bladders of spinal cord injury patients, even during antibiotic treatment. This study highlights concerns about antibiotic effectiveness against these persistent, potentially drug-resistant uropathogenic biofilms.

Area of Science:

  • Urology
  • Microbiology
  • Infectious Diseases

Background:

  • Spinal cord injury (SCI) patients often suffer from recurrent urinary tract infections (UTIs).
  • Antibiotic therapy is standard for managing UTIs in SCI patients, but efficacy against persistent colonization is debated.

Purpose of the Study:

  • To investigate the prevalence of bacterial biofilms in the bladders of SCI patients.
  • To assess the impact of antimicrobial therapy on bladder colonization by uropathogens in SCI patients.
  • To characterize the antibiotic resistance profiles of isolated bacteria.

Main Methods:

  • Analysis of transitional bladder epithelial cells from urine specimens of SCI patients.
  • Identification and characterization of bacterial isolates.
  • Assessment of antimicrobial therapy regimens used by patients.

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Main Results:

  • Adherent bacterial biofilms were present in 96% of SCI patients examined.
  • Antimicrobial therapy, including trimethoprim-sulfamethoxazole, showed no apparent effect on bladder colonization.
  • Enterococcus faecalis was a prevalent isolate (33%), exhibiting high virulence and potential multi-drug resistance.

Conclusions:

  • Bacterial biofilms are highly prevalent in SCI patients' bladders, irrespective of antibiotic treatment.
  • Current antibiotic strategies may be ineffective against uropathogenic biofilms.
  • Further research is needed to develop effective treatments for biofilm-associated UTIs in SCI patients.