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Incidence of bacterial contamination in infusion set needles

Emiko Nakataki1, Jun Oto, Michiko Hata

  • 1Department of Emergency and Critical Care Medicine, University of Tokushima Graduate School, Tokushima, Japan. nakatakiemiko@gmail.com

American Journal of Infection Control
|August 14, 2012
PubMed

Insights

Bacterial contamination of infusion needles occurred in 5.7% of critically ill patients. While not directly linked to bloodstream infections, it highlights potential intraluminal contamination risks during fluid exchange.

Area of Science:

  • Critical Care Medicine
  • Infectious Diseases
  • Microbiology

Background:

  • Infusion sets are crucial for delivering fluids and medications to critically ill patients.
  • Maintaining sterility of infusion equipment is vital to prevent healthcare-associated infections.
  • Bacterial contamination of infusion components poses a potential risk to patient safety.

Purpose of the Study:

  • To determine the incidence and types of bacterial contamination in infusion set needles.
  • To investigate the potential sources and implications of contamination in adult intensive care units.

Main Methods:

  • A prospective study was conducted involving 265 adult critically ill patients.
  • Infusion set needles were collected and analyzed for bacterial contamination.
  • Isolated organisms were identified using standard microbiological techniques.

Main Results:

  • Bacterial contamination was detected in 15 samples (5.7%) of the infusion set needles.
  • A total of 17 bacterial organisms were isolated, including coagulase-negative staphylococci (CNS), Staphylococcus aureus, α-Streptococcus, Corynebacterium, and gram-negative rods.
  • The contamination was not found to be directly related to catheter-related bloodstream infections.

Conclusions:

  • Bacterial contamination of infusion set needles is a relevant issue in critically ill patients.
  • Exchanging infusion bottles represents a potential route for intraluminal contamination.
  • Preventive strategies should address the handling and exchange of infusion components to minimize infection risk.

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