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Article Dans Une Revue Journal of Hospital Infection Année : 2018

Persistent contamination of heater–cooler units for extracorporeal circulation cured by chlorhexidine–alcohol in water tanks

Résumé

Recently, surgical site infections due to non-tuberculous mycobacteria (NTM) have been linked to heater-cooler unit contamination. The European Centre for Disease Prevention and Control and manufacturers now recommend the use of hydrogen peroxide in filtered water to fill heater-cooler unit tanks. After implementation of these measures in our hospital, heater-cooler units became heavily contaminated by opportunistic waterborne pathogens such as Pseudomonas aeruginosa and Stenotrophomonas maltophilia. No NTM were detected but fast-growing resistant bacteria could impair their detection. The efficiency of hydrogen peroxide and chlorhexidine-alcohol was compared in situ. Chlorhexidine-alcohol treatment stopped waterborne pathogen contamination and NTM were not cultured whereas their detection efficiency was probably improved.
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Dates et versions

hal-01790459 , version 1 (22-01-2020)

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S. Romano-Bertrand, M. Evrevin, C. Dupont, Jean-Marc Frapier, J.-C. Sinquet, et al.. Persistent contamination of heater–cooler units for extracorporeal circulation cured by chlorhexidine–alcohol in water tanks. Journal of Hospital Infection, 2018, 99 (3), pp.290-294. ⟨10.1016/j.jhin.2018.01.005⟩. ⟨hal-01790459⟩
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