Multidrug-resistant phenotypes in Canadian ICUsa

OrganismNo. of MDR isolates/total no. of isolates% of MDR isolates
E. coli1/5360.2
P. aeruginosa53/42012.6
K. pneumoniae0/2250
E. cloacae1/1650.6
H. influenzae0/3290
  • a Multidrug resistance for gram-negative bacilli was defined as resistance to three or more of the following antimicrobials: cefepime, piperacillin-tazobactam, meropenem, amikacin or gentamicin, and ciprofloxacin.