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An In Vitro Bladder Model of Catheter-Associated Urinary Tract Infection
Published on: June 24, 2025
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Risk Factors for Multiresistant Catheter-Associated Urinary Tract Infection in the Paediatric Critical Patient
Cristina González-Anleo1,2, Mònica Girona-Alarcón2,3,4,5, Sara Bobillo-Perez2,3,4
1Pharmacy Department, Hospital Sant Joan de Déu, Barcelona, Spain.
Acta Paediatrica (Oslo, Norway : 1992)
|May 28, 2025
Summary
Multidrug-resistant catheter-associated urinary tract infections (MDR-CAUTIs) are a significant concern in pediatric ICUs. Key risk factors include prior colonization, previous MDR infections, and early antibiotic exposure, impacting treatment success.
Area of Science:
- Infectious Diseases
- Critical Care Medicine
- Microbiology
Background:
- Catheter-associated urinary tract infections (CAUTIs) are prevalent in pediatric intensive care units (PICUs).
- High rates of multidrug resistance (MDR) among CAUTIs complicate treatment and worsen patient outcomes.
- Identifying specific risk factors for MDR-CAUTIs is crucial for effective management.
Purpose of the Study:
- To identify specific risk factors associated with multidrug-resistant CAUTIs in the PICU.
- To compare clinical outcomes between MDR-CAUTI and non-MDR CAUTI cases.
- To inform empirical antibiotic therapy strategies for CAUTIs.
Main Methods:
- A single-center, prospective, observational study was conducted from 2015 to 2022.
- Included were PICU patients with microbiologically confirmed CAUTIs.
- Demographic, clinical, microbiological data, and outcomes were compared between MDR and non-MDR CAUTI groups.
Main Results:
- Of 91 CAUTI episodes, 35.2% were caused by MDR microorganisms.
- Independent risk factors for MDR-CAUTI included previous MDR colonization (OR 6.056), previous MDR infection (OR 9.153), and antibiotic exposure within the first 48 hours (OR 3.029).
- MDR-CAUTI cases showed higher empirical treatment inappropriateness (39.3% vs. 7.1%) and longer hospital stays, but no difference in mortality.
Conclusions:
- The prevalence of MDR-CAUTIs in PICUs is concerning and compromises empirical treatment efficacy.
- Recognizing risk factors for MDR-CAUTI is essential for optimizing empirical antibiotic selection.
- Further research may focus on targeted interventions to reduce MDR-CAUTI incidence and improve patient outcomes.
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