The role of water fittings in intensive care rooms as reservoirs for the colonization of patients with Pseudomonas aeruginosa.

Intensive Care Medicine
Pascal CholleyD Talon

Abstract

To assess the role of the water environment in the Pseudomonas aeruginosa colonization of patients in intensive care units in the absence of a recognized outbreak. Prospective, single-centre study over an 8-week period in two adult ICUs at a university hospital. Environmental samples were taken from the water fittings of rooms once per week, during a 8-week period. Patients were screened weekly for P. aeruginosa carriage. Environmental and humans isolates were genotyped by using pulsed-field gel electrophoresis. P. aeruginosa was detected in 193 (86.2%) of the 224 U-bend samples and 10 of the 224 samples taken from the tap (4.5%). Seventeen of the 123 patients admitted were colonized with P. aeruginosa. Only one of the 14 patients we were able to evaluate was colonized by a clone present in the water environment of his room before the patient's first positive sample was obtained. The role of the water environment in the acquisition of P. aeruginosa by intensive care patients remains unclear, but water fittings seem to play a smaller role in non-epidemic situations than expected by many operational hospital hygiene teams.

References

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Citations

Mar 5, 2009·Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz·M TrautmannM Exner
Jul 19, 2013·The Journal of Antimicrobial Chemotherapy·Michael Kelsey
Feb 11, 2011·Critical Care : the Official Journal of the Critical Care Forum·Alexandre BoyerAnne Marie Rogues
Aug 27, 2014·The Journal of Hospital Infection·A-G VenierUNKNOWN DYNAPYO study group
May 11, 2010·The Journal of Hospital Infection·T J J InglisC H Heath
Aug 25, 2009·The Journal of Hospital Infection·K G Kerr, A M Snelling
Feb 20, 2015·Infection Control and Hospital Epidemiology : the Official Journal of the Society of Hospital Epidemiologists of America·Dominique CharronMichèle Prévost
Nov 9, 2010·Clinical Microbiology and Infection : the Official Publication of the European Society of Clinical Microbiology and Infectious Diseases·S NseirA Durocher
May 18, 2016·Journal of Infection and Chemotherapy : Official Journal of the Japan Society of Chemotherapy·ZhaoYan ZhouHuaYin Li
Jun 30, 2016·MicrobiologyOpen·Emilie BédardEric Déziel
Jan 7, 2018·Applied and Environmental Microbiology·Erika L EnglishMatthew J Wargo
Oct 16, 2015·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Balci Behzat
Jun 5, 2015·Journal of Water and Health·David P SartoryJohn V Lee

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Methods Mentioned

BETA
electrophoresis

Software Mentioned

Gel
EpiInfo
Compar

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