Table 1

Activities of ten agents against 109 isolates of carbapenem-resistant P. aeruginosa isolates obtained from patients with BSI over a six-year period.
Agent
 MIC50 μg/mL
 MIC90 μg/mL
 Range μg/mL
 % Susceptibility
Aztreonam
 64
 128
 1 – >128
 7.4
Cefepime
 32
 128
 <0.25 – >128
 7.3
Ceftazidime
 128
 >128
 <0.25 – >128
 8.3
Ciprofloxacin
 32
 64
 <0.25 – 64
 6.4
Colistin
 1
 1
 <0.25 – 2
 100
Gentamicin
 >128
 >128
 0.5 – >128
 20.2
Imipenem
 64
 256
 16 – 1,024
 0
Meropenem
 32
 256
 2 – 1,024
 1.8
Piperacillin/Tazobactam
 >128
 >128
 1 – >128
 13.8
Polymyxin B
 0.5
 1
 <0.25 – 8
 99.1

van der Heijden et al. Annals of Clinical Microbiology and Antimicrobials 2007 6:8   doi:10.1186/1476-0711-6-8