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Culturing and Maintaining Clostridium difficile in an Anaerobic Environment
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How to eradicate Clostridium difficile from the environment.

F Barbut1

  • 1National Reference Laboratory for C. difficile and Clinical Research Group EPIDIFF, University Pierre et Marie Curie, Paris, France; Infection Control Unit, Hôpital Saint-Antoine, Paris, France.

The Journal of Hospital Infection
|February 2, 2015
PubMed
Summary
This summary is machine-generated.

Clostridium difficile infection (CDI) is a major healthcare threat. Novel no-touch disinfection methods like UV and hydrogen peroxide show promise but supplement, not replace, daily cleaning protocols for environmental decontamination.

Keywords:
Clostridium difficileDisinfectionHospital infection

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Area of Science:

  • Infection Control
  • Environmental Hygiene
  • Microbiology

Background:

  • Clostridium difficile is a significant cause of hospital-acquired infections, leading to diarrhea and mortality.
  • Transmission occurs through contaminated hands and environments, necessitating robust disinfection strategies.

Purpose of the Study:

  • To review current guidelines and novel technologies for environmental disinfection in rooms of patients with Clostridium difficile infection (CDI).
  • To evaluate the efficacy of 'no-touch' disinfection methods compared to traditional cleaning.

Main Methods:

  • Review of published guidelines recommending hypochlorite or sporicidal agents for environmental decontamination.
  • In-vitro assessment of hydrogen peroxide vapor, aerosolized hydrogen peroxide, and UV light systems for reducing C. difficile spores.
  • Discussion of limitations and impact on transmission of novel disinfection technologies.

Main Results:

  • In-vitro studies indicate varying log10 reductions for C. difficile spores: >6 log10 for 30% hydrogen peroxide vapor, ~4 log10 for 5-6% aerosolized hydrogen peroxide, and ~2 log10 for UV-based methods.
  • Compliance with standard cleaning and disinfection protocols is often suboptimal.
  • Few studies have directly assessed the impact of these devices on C. difficile transmission.

Conclusions:

  • Enhanced environmental cleaning and disinfection are crucial for controlling C. difficile.
  • Novel 'no-touch' methods supplement, but do not replace, daily cleaning practices.
  • Further research is needed to assess the real-world impact of these technologies on C. difficile transmission.