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Use of a Sterile Collection Process to Reduce Contaminated Peripheral Blood Cultures

Sarah Bram1, Teresa M Schmidt2, Justin P Lloyd3

  • 1Department of Pediatrics, School of Medicine, Washington University in St Louis, St Louis, Missouri sarahnsmith@wustl.edu.

Hospital Pediatrics
|October 27, 2021
PubMed

Insights

Implementing a sterile blood culture collection process in a pediatric emergency department significantly reduced contamination rates. This quality improvement initiative improved patient care by decreasing unnecessary tests and antibiotic use.

Area of Science:

  • Pediatric Emergency Medicine
  • Infectious Disease Control
  • Quality Improvement Science

Background:

  • Contaminated blood cultures in pediatric patients lead to increased testing, antibiotic use, and healthcare costs.
  • A quality improvement initiative aimed to reduce peripheral blood culture contamination in a pediatric emergency department from 6.7% to under 3%.

Purpose of the Study:

  • To implement and evaluate a quality improvement initiative to decrease peripheral blood culture contamination rates in a pediatric emergency department.

Main Methods:

  • The initiative involved transitioning from a clean to a sterile blood culture collection process.
  • Key interventions included comprehensive nursing education and individualized performance feedback.
  • Process measures tracked nurse adherence to the sterile technique, while balancing measures assessed antibiotic administration times and emergency department length of stay.

Main Results:

  • Peripheral blood culture contamination rates decreased threefold, from a baseline of 6.7% to 2.1% post-intervention.
  • Ninety-eight percent of nurses reported adherence to the new sterile collection process.
  • No significant changes were observed in antibiotic administration times or emergency department length of stay.

Conclusions:

  • A sterile blood culture collection process, coupled with nursing education and feedback, effectively reduces contamination rates in pediatric emergency departments.
  • This approach enhances diagnostic accuracy and optimizes resource utilization in pediatric care.
Abstract

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