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Pseudomonas aeruginosa in premise plumbing of large buildings

Emilie Bédard1,2, Michèle Prévost1, Eric Déziel2

  • 1Department of Civil Engineering, Polytechnique Montréal, Montréal, QC, Canada.

Microbiologyopen
|June 30, 2016
PubMed

Insights

Pseudomonas aeruginosa, a common environmental bacterium, thrives in healthcare facility plumbing, forming biofilms. Understanding its ecology is key to controlling water contamination in faucets and drains.

Area of Science:

  • Environmental microbiology
  • Healthcare-associated infections
  • Water systems microbiology

Background:

  • Pseudomonas aeruginosa is an opportunistic pathogen found in diverse environments.
  • This bacterium readily forms biofilms, contributing to persistence in water systems.
  • Premise plumbing in healthcare facilities is a potential reservoir for P. aeruginosa.

Purpose of the Study:

  • To review the ecology of Pseudomonas aeruginosa.
  • To assess its implications in healthcare facility premise plumbing.
  • To identify factors influencing its persistence and propose control measures.

Main Methods:

  • Literature review consolidating current knowledge.
  • Meta-analysis of P. aeruginosa prevalence in faucets and drains.
  • Summary of effects of operating conditions in water distribution systems.

Main Results:

  • P. aeruginosa integrates biofilms in faucets and drains, promoting growth.
  • Meta-analysis showed high variability in prevalence due to sampling methods.
  • Operating conditions like disinfection and temperature impact P. aeruginosa persistence.

Conclusions:

  • Premise plumbing devices significantly influence P. aeruginosa growth and persistence.
  • Variability in reported prevalence highlights the need for standardized sampling.
  • Effective control requires understanding P. aeruginosa ecology and influencing factors in plumbing systems.
Keywords:
Pseudomonas aeruginosadisinfectionenvironmental factorsfaucetshealthcare facilitiespremise plumbing

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