An outbreak of Bacillus cereus respiratory tract infections on a neonatal unit due to contaminated ventilator circuits

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An outbreak of Bacillus cereus respiratory tract infections on a neonatal unit due to contaminated ventilator circuits. / Gray, J; George, R H; Durbin, G M; Ewer, A K; Hocking, M D; Morgan, M E.

In: The Journal of hospital infection, Vol. 41, No. 1, 01.1999, p. 19-22.

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Gray, J ; George, R H ; Durbin, G M ; Ewer, A K ; Hocking, M D ; Morgan, M E. / An outbreak of Bacillus cereus respiratory tract infections on a neonatal unit due to contaminated ventilator circuits. In: The Journal of hospital infection. 1999 ; Vol. 41, No. 1. pp. 19-22.

Bibtex

@article{7121c84ae9944cdaba27f0fc8be52be9,
title = "An outbreak of Bacillus cereus respiratory tract infections on a neonatal unit due to contaminated ventilator circuits",
abstract = "An outbreak of Bacillus cereus respiratory tract infections affecting six ventilated preterm neonates over a two-week period is described. Reusable ventilator circuits were identified as the cause of the outbreak. Ordinarily these were reprocessed on the Neonatal Unit (NNU), first through a washing machine and then through a low-temperature steam (LTS) disinfector. The onset of the outbreak coincided with a breakdown of the LTS facility, which necessitated sending the washed circuits off site for LTS disinfection. The washing machine was shown to be contaminated with the same serovars of B. cereus as those isolated from patients. Two critical steps in the off site LTS disinfection process allowed exsporulation and multiplication of B. cereus: the circuits were inadequately dried after processing, whilst return of the moist circuits to the NNU was often delayed. The outbreak was terminated by withdrawal of the heat-disinfected ventilator circuits. This outbreak emphasizes the need for high standards where medical equipment is reprocessed, especially for use in vulnerable patients.",
keywords = "Bacillaceae Infections, Bacillus cereus, Cross Infection, Disease Outbreaks, Disinfection, England, Equipment Contamination, Equipment Reuse, Humans, Infant, Newborn, Infant, Premature, Intensive Care Units, Neonatal, Respiratory Tract Infections, Ventilators, Mechanical",
author = "J Gray and George, {R H} and Durbin, {G M} and Ewer, {A K} and Hocking, {M D} and Morgan, {M E}",
year = "1999",
month = jan,
language = "English",
volume = "41",
pages = "19--22",
journal = "The Journal of hospital infection",
issn = "0195-6701",
publisher = "Elsevier",
number = "1",

}

RIS

TY - JOUR

T1 - An outbreak of Bacillus cereus respiratory tract infections on a neonatal unit due to contaminated ventilator circuits

AU - Gray, J

AU - George, R H

AU - Durbin, G M

AU - Ewer, A K

AU - Hocking, M D

AU - Morgan, M E

PY - 1999/1

Y1 - 1999/1

N2 - An outbreak of Bacillus cereus respiratory tract infections affecting six ventilated preterm neonates over a two-week period is described. Reusable ventilator circuits were identified as the cause of the outbreak. Ordinarily these were reprocessed on the Neonatal Unit (NNU), first through a washing machine and then through a low-temperature steam (LTS) disinfector. The onset of the outbreak coincided with a breakdown of the LTS facility, which necessitated sending the washed circuits off site for LTS disinfection. The washing machine was shown to be contaminated with the same serovars of B. cereus as those isolated from patients. Two critical steps in the off site LTS disinfection process allowed exsporulation and multiplication of B. cereus: the circuits were inadequately dried after processing, whilst return of the moist circuits to the NNU was often delayed. The outbreak was terminated by withdrawal of the heat-disinfected ventilator circuits. This outbreak emphasizes the need for high standards where medical equipment is reprocessed, especially for use in vulnerable patients.

AB - An outbreak of Bacillus cereus respiratory tract infections affecting six ventilated preterm neonates over a two-week period is described. Reusable ventilator circuits were identified as the cause of the outbreak. Ordinarily these were reprocessed on the Neonatal Unit (NNU), first through a washing machine and then through a low-temperature steam (LTS) disinfector. The onset of the outbreak coincided with a breakdown of the LTS facility, which necessitated sending the washed circuits off site for LTS disinfection. The washing machine was shown to be contaminated with the same serovars of B. cereus as those isolated from patients. Two critical steps in the off site LTS disinfection process allowed exsporulation and multiplication of B. cereus: the circuits were inadequately dried after processing, whilst return of the moist circuits to the NNU was often delayed. The outbreak was terminated by withdrawal of the heat-disinfected ventilator circuits. This outbreak emphasizes the need for high standards where medical equipment is reprocessed, especially for use in vulnerable patients.

KW - Bacillaceae Infections

KW - Bacillus cereus

KW - Cross Infection

KW - Disease Outbreaks

KW - Disinfection

KW - England

KW - Equipment Contamination

KW - Equipment Reuse

KW - Humans

KW - Infant, Newborn

KW - Infant, Premature

KW - Intensive Care Units, Neonatal

KW - Respiratory Tract Infections

KW - Ventilators, Mechanical

M3 - Article

C2 - 9949960

VL - 41

SP - 19

EP - 22

JO - The Journal of hospital infection

JF - The Journal of hospital infection

SN - 0195-6701

IS - 1

ER -