Sensitivity surveillance of Pseudomonas aeruginosa isolates for several antibacterial agents in Chubu area (2013-2014)
Abstract
We investigated the susceptibility to antibacterial agents of 186 clinical isolates of Pseudomonas aeruginosa isolated from medical facilities in Gifu, Aichi, Toyama, and Fukui prefectures from October 2013 to February 2014. MIC₅₀/₉₀ of piperacillin (PIPC), tazobactam/piperacillin (TAZ/PIPC), ceftazidime (CAZ), cefepime (CFPM), imipenem (IPM), meropenem (MEPM), doripenem (DRPM), aztreonam (AZT), ciprofloxacin (CPFX), levofloxacin (LVFX), amikacin (AMK) and colistin (CL) against P aeruginosa was 8/32, 4/32, 2/8, 2/16, 1/32, 0.5/8, 0.25/4, 8/32, 0.25/8, 0.5/16, 4/8 and 1/1pg/mLrespectively. Two strains of multidrug resistant P aeruginosa were isolated (1.1%). They were isolated from the respiratory tract, intra-abdominal, and urinary infection. The susceptible ratio against P aeruginosa derived from intra-abdominal infection for carbapenem was lower than those from respiratory tract and urinary infection. The susceptible ratio against P aeruginosa derived from urinary infection for penicillin, cephem, monobactam, and fluoroquinolone was lower than those from respiratory and intra-abdominal infection. It is meaningful to pay attention to the susceptibility to antibacterial agents in each clinical specimen from infected organ.
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