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Updated: Feb 4, 2026

An In Vitro Bladder Model of Catheter-Associated Urinary Tract Infection
Published on: June 24, 2025
Utilizing the electronic health record to construct antibiograms for previously healthy children with urinary tract
Yusuf Y Chao1, Larry K Kociolek1, Xiaotian T Zheng1
11Department of Pediatrics,Northwestern University Feinberg School of Medicine,Chicago,Illinois.
Insights
Creating tailored antibiograms for children with urinary tract infections reveals improved antibiotic susceptibility. This method enhances antibiotic therapy guidance by accounting for specific patient groups.
Area of Science:
- Microbiology
- Pediatrics
- Infectious Diseases
Background:
- Standard antibiograms may not accurately reflect antibiotic resistance patterns in specific patient subpopulations.
- Urinary tract infections (UTIs) are common in children, necessitating precise treatment guidance.
Purpose of the Study:
- To develop and validate syndrome-specific antibiograms for previously healthy children with UTIs.
- To assess antibiotic susceptibility patterns within this defined pediatric cohort.
Main Methods:
- Retrospective descriptive study design.
- Utilized International Classification of Disease, Tenth Revision (ICD-10) codes and discrete data elements to define the study cohort.
- Constructed and validated custom antibiograms.
Main Results:
- The developed antibiograms indicated increased antibiotic susceptibility in the studied pediatric UTI population.
- Demonstrated the feasibility of creating tailored antibiograms for specific clinical syndromes.
Conclusions:
- Syndrome-specific antibiograms, like those developed for pediatric UTIs, offer a more precise approach to guiding empiric antibiotic therapy.
- This methodology holds potential for adaptation to create other syndrome-specific antibiograms for improved antimicrobial stewardship.
Abstract:
Traditional antibiograms can guide empiric antibiotic therapy, but they may miss differences in resistance across patient subpopulations. In this retrospective descriptive study, we constructed and validated antibiograms using International Classification of Disease, Tenth Revision (ICD-10) codes and other discrete data elements to define a cohort of previously healthy children with urinary tract infections. Our results demonstrate increased antibiotic susceptibility. This methodology may be modified to create other syndrome-specific antibiograms.
Related Concept Videos
Urinary Tract Infection I: Introduction
Urinary Tract Infection II: Pathophysiology
Urinary Tract Infection IV: Nursing Management
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
Urinary Tract Calculi I: Introduction
Purpose of Health Records I
Here's a breakdown of how health records serve these purposes:

