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Emission of extensively-drug resistant Acinetobacter baumannii from hospital settings to the natural environment (CROSBI ID 238135)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Šeruga Musić, Martina ; Hrenović, Jasna ; Goić-Barišić, Ivana ; Hunjak, Blaženka ; Škorić, Dijana ; Ivanković, Tomislav Emission of extensively-drug resistant Acinetobacter baumannii from hospital settings to the natural environment // Journal of hospital infection, 96 (2017), 4; 323-327. doi: 10.1016/j.jhin.2017.04.005

Podaci o odgovornosti

Šeruga Musić, Martina ; Hrenović, Jasna ; Goić-Barišić, Ivana ; Hunjak, Blaženka ; Škorić, Dijana ; Ivanković, Tomislav

engleski

Emission of extensively-drug resistant Acinetobacter baumannii from hospital settings to the natural environment

Acinetobacter baumannii is a leading emerging pathogen, which is frequently recovered from patients during hospital outbreaks. However, the role of environmental A. baumannii isolates is of great concern worldwide.The aim of this study was to find the connection of A. baumannii causing hospital outbreaks with the environmental isolates from hospital wastewater, urban sewage, and river water as the final natural recipient of wastewaters. Clinical isolates from patients with hospital associated pneumonia and environmental isolates from water were collected within two-month period of monitoring. The recovery of A. baumannii was performed on CHROMagar Acinetobacter after incubation at 42°C/48h. Identification was performed by MALDI-TOF MS and analyses of rpoB gene. The antibiotic resistance profiles were interpreted according to criteria given for clinical isolates of A. baumannii. The sequence types (ST) were retrieved by MLST analysis. Majority of 14 isolates recovered from patients, hospital wastewaters, urban sewage, and river water belonged to the ST-195. Another five isolates recovered from patients and river water were assigned to the new ST-1421. All isolates showed a very strong relatedness and clustered into the CC92 which corresponds to IC2. All isolates were non-susceptible to ≥1 agent in all but ≤2 antimicrobial categories, and thus were classified as extensively drug-resistant (XDR). Heteroresistance to colistin was found in two isolates from hospital wastewater. Close relatedness of clinical and environmental isolates suggests the emission of XDR A. baumannii via the untreated hospital wastewater in the natural environment.

Acinetobacter baumannii ; environment ; extensively drug-resistance ; MLST ; sequence type 1421 ; wastewater

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Podaci o izdanju

96 (4)

2017.

323-327

objavljeno

0195-6701

10.1016/j.jhin.2017.04.005

Povezanost rada

Biologija

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Indeksiranost