TABLE 1.

Antibiotic susceptibility profile of A. baumannii outbreak isolatesa

AntibioticMIC50 (mg/liter)MIC90 (mg/liter)MIC range (mg/liter)
Sulbactam-ampicillin8168-16
Piperacillin-tazobactam125250125->250
Ceftazidime250250125->250
Cefepime163216-32
Imipenem16168-16
Meropenem884-8
Amikacin6412564-125
Gentamicin125250125->250
Ciprofloxacin6425032->250
Trimethoprim-sulfamethoxazole0.50.50.5-1
Colistin241-4
  • a A. baumannii isolates of PFGE type A were analyzed by a microdilution method for MIC determination according to CSLI guidelines.