Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jhin.2013.05.012
Title: Bad design, bad practices, bad bugs: Frustrations in controlling an outbreak of Elizabethkingia meningoseptica in intensive care units
Authors: Balm, M.N.D. 
Salmon, S.
Jureen, R. 
Teo, C.
Mahdi, R.
Seetoh, T. 
Teo, J.T.W.
Lin, R.T.P. 
Fisher, D.A. 
Keywords: Elizabethkingia meningoseptica
Gram-negative non-fermenter
Intensive care outbreak
Tap contamination
Issue Date: Oct-2013
Citation: Balm, M.N.D., Salmon, S., Jureen, R., Teo, C., Mahdi, R., Seetoh, T., Teo, J.T.W., Lin, R.T.P., Fisher, D.A. (2013-10). Bad design, bad practices, bad bugs: Frustrations in controlling an outbreak of Elizabethkingia meningoseptica in intensive care units. Journal of Hospital Infection 85 (2) : 134-140. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jhin.2013.05.012
Abstract: Background: Elizabethkingia meningoseptica is a nosocomial-adapted Gram-negative bacillus intrinsically resistant to antibiotics commonly used in the intensive care setting. An outbreak investigation commenced when five patients developed E. meningoseptica infection in two intensive care units (ICUs). Methods: Analysis of laboratory data, case reviews, ICU workflows and extensive environmental sampling were undertaken. Molecular typing was performed using repetitive element palindromic polymerase chain reaction. Follow-up studies after interventions included environmental monitoring and a survey of staff compliance with interventions. Findings: Laboratory data revealed increasing incidence of E. meningoseptica colonization or infection in ICU patients compared with preceding years. E. meningoseptica was cultured from 44% (35/79) of taps, but not from other sources. Hand hygiene sinks were used for disposal of patient secretions and rinsing re-usable patient care items. Sinks misused in this way were contaminated more often than sinks that were not misused (odds ratio 4.38, 95% confidence interval 1.68-11.39; P=0.004). Molecular typing revealed that patient isolates had identical patterns to several isolates from hand hygiene taps. An urgent education programme was instituted to change these practices. Taps were cleaned systematically and aerators were changed. A temporary reduction in case numbers was achieved. Recolonization of taps was demonstrated on follow-up environmental screening, and cases recurred after two months. A survey revealed that 77.3% (163/213) of nursing staff still misused sinks due to time constraints or other problems adhering to the interventions. Conclusion: Introduction of non-sanctioned practices due to suboptimal unit design may have unintentional consequences for ICU patients. Room design and staff workflows must be optimized for patient safety as lapses in procedure can inadvertently put patients at risk. © 2013 The Healthcare Infection Society.
Source Title: Journal of Hospital Infection
URI: http://scholarbank.nus.edu.sg/handle/10635/126986
ISSN: 01956701
DOI: 10.1016/j.jhin.2013.05.012
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