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An alternative simple method in laryngoscope blade decontamination.

Mehmet Emin Orhan1, Onur Saygun, M Erdal Güzeldemir

  • 1Department of Anesthesiology, Gülhane Military Medical Academy, 06018, Etlik, Ankara, Turkey. orhanme@hotmail.com

Middle East Journal of Anaesthesiology
|July 26, 2002
PubMed
Summary

Cleaning laryngoscope blades with tap water is unreliable for decontamination. Mechanical cleaning followed by immersion in 2% glutaraldehyde or 10% polyvinyl pyrrolidine iodine effectively disinfects blades.

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Area of Science:

  • Infection Control
  • Medical Device Decontamination
  • Microbiology

Background:

  • The cleaning and disinfection of laryngoscope blades remain a significant concern in healthcare settings.
  • Current decontamination protocols require rigorous evaluation for efficacy against various microorganisms.

Purpose of the Study:

  • To assess the effectiveness of tap water, 2% glutaraldehyde, and 10% polyvinyl pyrrolidine iodine in decontaminating laryngoscope blades.
  • To establish a simple, effective, and easily implementable decontamination method for laryngoscope blades.

Main Methods:

  • Laryngoscope blades were artificially contaminated with diverse microorganisms.
  • Decontamination efficacy was tested using tap water, 2% glutaraldehyde, and 10% polyvinyl pyrrolidine iodine.
  • Standardized immersion times of 10 minutes were employed for chemical disinfectants.

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Main Results:

  • Cleansing laryngoscope blades with tap water alone proved to be an unreliable decontamination method.
  • Both 2% glutaraldehyde and 10% polyvinyl pyrrolidine iodine demonstrated significant efficacy in eliminating microbial contamination.
  • Mechanical cleaning combined with chemical immersion achieved effective decontamination.

Conclusions:

  • Tap water is insufficient for reliable laryngoscope blade decontamination.
  • Mechanical cleaning coupled with a 10-minute immersion in either 2% glutaraldehyde or 10% polyvinyl pyrrolidine iodine provides an effective decontamination strategy.
  • This method offers a simple and practical approach to ensure laryngoscope blade safety.