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Related Experiment Videos

Endoscopy water source: tap or sterile water?

M Puterbaugh1, C Barde, R Van Enk

  • 1GI Endoscopy Unit, Department of Veterans Affairs Medical Center in Dayton, OH, USA.

Gastroenterology Nursing : the Official Journal of the Society of Gastroenterology Nurses and Associates
|February 14, 1998
PubMed
Summary

Tap water in endoscope water bottles is safe for patient use, posing no greater risk than sterile water. This finding supports cost savings in endoscopic procedures without compromising patient safety.

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Area of Science:

  • Medical Microbiology
  • Gastroenterology
  • Infection Control

Background:

  • Endoscopic procedures require a reliable water source for optimal function.
  • Concerns exist regarding potential pathogen transmission via endoscopic water systems.

Purpose of the Study:

  • To assess the risk of pathogen transmission from endoscopic water sources.
  • To compare the safety of using tap water versus sterile water in endoscope water bottles.

Main Methods:

  • Two study phases were conducted using either tap water or sterile water.
  • Bacterial cultures were obtained from water bottles and controls before and after procedures.
  • Samples were analyzed for microbial contamination over 100-106 sets.

Main Results:

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  • Tap water samples frequently showed normal flora, consistent with municipal water.
  • No clinically significant complications were observed in either study phase.
  • Using tap water and clean bottles presented no increased risk compared to sterile water and bottles.

Conclusions:

  • Tap water is a safe alternative to sterile water for endoscopic water sources.
  • Utilizing tap water can lead to substantial cost reductions in healthcare settings.
  • Further research is recommended on endoscope and water bottle design for pathogen prevention.