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A study on drug resistance of KPC carbapenemase-producing Pseudomonas aeruginosa / 国际检验医学杂志
International Journal of Laboratory Medicine ; (12): 1235-1237, 2014.
Artigo em Chinês | WPRIM | ID: wpr-446560
ABSTRACT
Objective To investigate the drug-resistance of Pseudomonas aeruginosa which producing K lebsiella pneumoniae carbapenemases(KPC) .Methods Pseudomonas aeruginosa strains were derived from two sputum samples .VITEK 2 COMPACT Automated Microbial Identification/Susceptibility Analyzer was employed to identify the bacterial strains .Polymerase chain reaction (PCR) and gene sequencing were adopted to identify the genotypes of KPC enzyme ,Broth dilution method was used to measure the minimal inhibitory concentration(MIC) of antimicrobial agents .Results Both Pseudomonas aeruginosa strains were resistant to β-lactam antibiotic and levofloxacin ,and were intermediary to ciprofloxacin ,and sensitive to gentamicin ,netilmicin ,tobramycin ,colistin and multi-polymyxin B .One of them was sensitive to tigecycline .Carbapenemase produced by the two stains was not metal β-lacta-mase ,with the subtype of KPC-2 .Mating experiments failed to prove the bla K PC gene could be transferred to E .coli J53 .Conclu-sion Appearance of KPC-producing Pseudomonas aeruginosa poses serious challenges to clinical anti-infective therapy .

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: International Journal of Laboratory Medicine Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: International Journal of Laboratory Medicine Ano de publicação: 2014 Tipo de documento: Artigo