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Improving clean-catch contamination rates: A prospective interventional cohort study.

Sharon Teo1, John A Cheek1,2,3,4, Simon Craig1,2,4

  • 1Paediatric Emergency Department, Monash Children's Hospital, Melbourne, Victoria, Australia.

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Summary

Providing a pre-made urine collection pack and handout did not significantly reduce clean-catch urine contamination rates in young children. Further strategies are needed to improve urine sample quality in pediatric emergency departments.

Keywords:
clean-catch urinefebrile childurinary tract infection

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Area of Science:

  • Pediatric Emergency Medicine
  • Clinical Diagnostics
  • Urology

Background:

  • The clean-catch method for urine collection in children often results in high contamination rates.
  • Contaminated urine samples can lead to misdiagnosis and unnecessary antibiotic use.

Purpose of the Study:

  • To evaluate if providing a parent handout and a pre-made urine collection pack reduces contamination rates for clean-catch urine samples in pediatric patients.
  • To assess the impact of an intervention on the quality of urine specimens obtained in a tertiary pediatric emergency department.

Main Methods:

  • A single-center prospective cohort interventional study was conducted in a pediatric emergency department.
  • The intervention involved providing a standardized information handout and a pre-made urine collection pack.
  • The primary outcome was the change in urine contamination proportion for clean-catch samples before and after the intervention.

Main Results:

  • A total of 621 urine specimens were analyzed (288 pre-intervention, 333 post-intervention).
  • Contamination rates were 14.9% pre-intervention and 11.4% post-intervention, a difference that was not statistically significant (P=0.19).
  • Female patients had higher contamination rates (16.4%) compared to males (10.5%).

Conclusions:

  • The implementation of a pre-made urine collection pack with written instructions did not significantly decrease the contamination rate of clean-catch urine samples.
  • Alternative or supplementary methods may be necessary to effectively reduce urine sample contamination in pediatric populations.