SUSCEPTIBILITY TO ANTIBIOTICS IN KLEBSIELLA PNEUMONIAE STRAINS ISOLATED IN A MULTIDISCIPLINARY MEDICAL CENTRE
Susceptibility to 16 antimicrobial agents in 421 Klebsiella pneumoniae strains, isolated in a multidisciplinary medical centre from patients with nosocomial infections in 2015, was tested. The majority of studied strains were resistant to antibiotics: ampicillin/clavulanic acid (91.4%), ticarcillin/...
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| Autores principales: | , , |
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| Formato: | article |
| Lenguaje: | RU |
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Sankt-Peterburg : NIIÈM imeni Pastera
2018
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/39b0f201bc874bfe8e7725b1f307e781 |
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| Sumario: | Susceptibility to 16 antimicrobial agents in 421 Klebsiella pneumoniae strains, isolated in a multidisciplinary medical centre from patients with nosocomial infections in 2015, was tested. The majority of studied strains were resistant to antibiotics: ampicillin/clavulanic acid (91.4%), ticarcillin/clavlanic acid (81.9%), piperacillin/tazobactam (69.4%), fluorochinolones (83.6%), III and IV generation of cephalosporines (79.8%), gentamycin (72.9%); one third (34.2%) demonstrated resistance to amikacin. K. pneumoniae strains demonstrated high level of carbapenem resistance (53.0% — to ertapenem, 42.8% — to meropenem and 37.1% — to imipenem), associated resistance to at least 3 different classes of antibiotics — caphalosporins, aminoglycozides, fluorochinolones, that amounted to more than half of the strains (57.7%), including 44.2% of the strains, additionally resistant to carbapenems. The lowest level of resistance was found to fosfomycin (8.5%) and tigecycline (7.4%), resistant cultures showed intermediate resistance with MIC 2 μg/ml to the latter. High diversity of antimicrobial resistance spectra was found, with high level of multidrug resistant strains (87.2%). Resistance to carapenems in K. pneumoniae isolated in the multidisciplinary medical center was determined by either blaOXA-48 (59.3% of isolates, resistant to carbapenems) or blaNDM-1 (40.7%). |
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