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- W2891687979 abstract "Abstract Healthcare-associated infections (HAI) are an important public health threat with the multidrug-resistant (MDR) gram-negative bacteria (GNB) being of particular concern. Here we present the antimicrobial resistance profile of HAI-related GNB (HAIrB) isolated from patients (PT), healthcare workers (HCW) and hospital environment (HE) in a six-month screening program. From the 180 sampling points distributed in six hospital units, a total of 1,080 swabs were collected allowing the isolation of 390 HAIrB: 50.5% from HE, 42.6% from PT and 6.9% from HCW. Among the HAIrB, 32.6% were characterized as MDR and 38.7% as extended-spectrum cephalosporins resistant (ESC-R), showing no differences in the distribution between PT, HE and HCW. Carbapenem resistance (CARB-R) was detected for 17.7% of all HAIrB, being higher among Acinetobacter spp. isolates (36.5%), followed by Enterobacteriaceae (14.5%) and Pseudomonas spp. (11.8%). Except for the ICU, that revealed higher MDR, CARB-R and ESC-R rates, HAIrB-resistant profiles were similarly detected within the hospital units. Prevalence of bla KPC-like and bla CTX-M-1 β-lactamases-resistance genes was higher in K. pneumoniae and E. cloacae complex, while bla OXA-23-like and bla SPM-like were higher in A. baumannii and P. aeruginosa , respectively. This study reveals that the spreading of HAIrB within a hospital environment is higher than predicted, indicating that healthcare workers, hospital areas and equipment are key players on dissemination of MDR gram-negative bacteria and shows that an active surveillance program can provide precise understanding and direct actions towards control of HAI." @default.
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- W2891687979 date "2018-09-24" @default.
- W2891687979 modified "2023-09-27" @default.
- W2891687979 title "Multidrug-resistant Gram-negative bacteria from patients, hospital environment and healthcare workers: a six-month cross-sectional study" @default.
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- W2891687979 doi "https://doi.org/10.1101/425330" @default.
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