A bundle-based approach on catheter-associated urinary tract infection: a multi-center study in Chinese tertiary

Huiping Huang1,2,3, Lei Huang2,3, Sihan Yan4

  • 1School of Public Health, Health Science Center, Xi'an Jiaotong University, 76 West Yanta Road, Xi'an, 710061, China.

BMC Infectious Diseases
|February 21, 2025
PubMed

Insights

Bundle interventions significantly reduced catheter-associated urinary tract infections (CAUTIs) in intensive care units (ICUs). This approach is especially effective for older adults and reduces antibiotic use.

Area of Science:

  • Infectious Diseases
  • Critical Care Medicine
  • Healthcare Epidemiology

Background:

  • Catheter-associated urinary tract infections (CAUTIs) are a major healthcare-associated infection (HAI).
  • Existing research often focuses on risk factors, with limited solutions for CAUTI control.
  • This study investigates CAUTI epidemiology and the impact of bundle interventions in intensive care units (ICUs).

Purpose of the Study:

  • To assess the effectiveness of bundle interventions in reducing CAUTIs among ICU patients with indwelling urinary catheters.
  • To analyze changes in urinary catheter utilization and duration post-intervention.
  • To identify specific patient groups benefiting most from CAUTI bundle implementation.

Main Methods:

  • A multi-center, retrospective study conducted across eight medical centers over six months.
  • Inclusion criteria: ICU inpatients with indwelling urinary catheters for ≥48 hours.
  • Statistical analysis employed Chi-Square and student's t-tests.

Main Results:

  • CAUTI rates decreased from 3.84 to 1.31 per 1000 urinary catheter (UC) days following bundle implementation.
  • UC utilization dropped significantly (71.29% to 62.70%), and average UC duration decreased.
  • CAUTIs were notably reduced in patients over 60 years old. Twelve multidrug-resistant organisms were identified among 36 CAUTI cases.

Conclusions:

  • Bundle interventions effectively lower CAUTI risk in ICU patients with indwelling catheters, particularly benefiting older adults.
  • The implementation of CAUTI bundles also leads to a significant reduction in Carbapenem use.
  • CAUTI bundles are recommended for clinical practice to improve patient outcomes and antimicrobial stewardship.
Abstract