Urinary tract pathogens and resistance pattern

R Chakupurakal1, M Ahmed, D N Sobithadevi

  • 1Department of Paediatrics, Burton Hospitals NHS Foundation Trust, Queen's Hospital, Burton-upon-Trent, Staffordshire, UK.

Insights

Pediatric urinary tract infections show increasing resistance to trimethoprim and Augmentin. Antibiotic choice for UTIs should be guided by local resistance data to ensure effective treatment.

Area of Science:

  • Pediatric infectious diseases
  • Antimicrobial resistance
  • Urology

Background:

  • Paediatric urinary tract infections (UTIs) exhibit significant regional variations in bacterial epidemiology and resistance patterns.
  • Antibiotic resistance is evolving, necessitating updated treatment guidelines for effective empiric therapy.

Purpose of the Study:

  • To retrospectively analyze antibiotic resistance patterns in children diagnosed with culture-proven UTIs.
  • To evaluate trends in resistance to commonly prescribed antibiotics over a six-year period.

Main Methods:

  • Inclusion of all infants and children with culture-proven UTI between 2002 and 2008.
  • Positive urine culture defined as pure growth of a single organism >10^5 CFU/mL.

Main Results:

  • A total of 547 UTIs were identified in 337 patients.
  • Escherichia coli (E. coli) was the predominant pathogen, accounting for 92% of cases.
  • A significant increase in resistance was observed for trimethoprim and Augmentin from 2002 to 2008, while resistance to cefalexin and nitrofurantoin remained low.

Conclusions:

  • Increasing resistance to first-line antibiotics (trimethoprim, Augmentin) against E. coli in paediatric UTIs is evident.
  • Regional monitoring of urinary pathogen resistance patterns is crucial for guiding antibiotic selection, adhering to NICE guidance.
  • Further multi-center studies in the UK are needed to validate these findings.
Abstract

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