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First and recurrent pediatric urinary tract infections: do they have different antibiotic susceptibilities?
1Department of Pediatrics, Faculty of Medicine & Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates. hassib.narchi@uaeu.ac.ae <hassib.narchi@uaeu.ac.ae>
Insights
Antibiotic resistance in children
Area of Science:
- Pediatric infectious diseases
- Antimicrobial resistance
- Urology
Background:
- Antibiotic susceptibility studies in children often do not distinguish between initial and repeat urinary tract infections (UTIs).
- Recurrent UTIs in children may be linked to urinary tract anomalies and antibiotic prophylaxis, potentially increasing uropathogen antibiotic resistance.
- Understanding resistance patterns in first versus recurrent UTIs is crucial for effective treatment.
Purpose of the Study:
- To investigate differences in antibiotic resistance patterns between first and recurrent urinary tract infections (UTIs) in pediatric patients.
- To determine if specific antibiotics show varying resistance rates in initial versus subsequent UTIs.
Main Methods:
- Retrospective analysis of 250 culture-proven urinary tract infection (UTI) episodes in 154 children (2 months to 12 years).
- Data collected on first-time UTIs (145 episodes) and recurrent UTIs (105 episodes).
- Univariate and multivariable analyses were performed to compare antibiotic resistance between the two groups, adjusting for confounding factors.
Main Results:
- Univariate analysis indicated significantly lower resistance to cefuroxime and gentamicin in recurrent UTIs compared to first UTIs.
- Multivariable analysis confirmed this association, with adjusted odds ratios of 0.8 for cefuroxime (p=0.04) and gentamicin (p=0.003).
- Resistance rates for other antibiotics did not significantly differ between first and recurrent UTIs.
Conclusions:
- Recurrent urinary tract infections (UTIs) in children are not associated with higher resistance to cefuroxime and gentamicin.
- The findings suggest that antibiotic resistance patterns may differ based on UTI history in pediatric populations.
- Further research is needed to explore the implications for antibiotic stewardship in pediatric UTIs.
Abstract:
Antibiotic susceptibility studies in children rarely differentiate between first and recurrent urinary tract infections (UTI), although the latter, frequently associated with underlying urinary tract anomalies and antibiotic prophylaxis, are more likely to be associated with higher antibiotic resistance of uropathogens as a result. We investigated whether antibiotic resistance was different between first and recurrent UTIs in 250 episodes (145 first and 105 recurrent) in 154 children (2 months to 12 years of age) with culture proven UTI. According to univariate analysis, resistance to cefuroxime and gentamicin was significantly lower in recurrences. This association remained statistically significant in the multivariable analysis, with adjusted odds ratio OR of 0.8 for cefuroxime (p=0.04) and for gentamicin (p=0.003) after adjusting for the role of confounding factors. The risk of resistance to other antibiotics was otherwise similar for first and recurrent UTIs.
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