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Table 2 Definition of highly resistant gram-negative nonfermenters

From: Dutch guideline for preventing nosocomial transmission of highly-resistant micro-organisms (HRMO) in long-term care facilities (LTCFs)

Gram-negative

nonfermenters

Carbapenemase

Aminoglycosides

Quinolones

Ceftazidime

Piperacillin

Co-trimoxazole

Acinetobacter spp.

A

B

Ba

n/a

n/a

n/a

Stenotrophomonas

maltophilia

n/a

n/a

n/a

n/a

n/a

A

Pseudomonas

aeruginosa

C

C

C

C

C

n/a

  1. aonly Ciprofloxacin and/or Levofloxacin, due to the intrinsic resistance of Acinetobacter species for norfloxacin; A: Carbapenemase or resistance against an antibacterial agent from the indicated group is sufficient to define the microorganism as highly resistant; B: resistance against antibacterial agents from at least two indicated groups is required to define the microorganism as highly resistant; C: resistance against antibacterial agents from at least three of the indicated groups is required to define the microorganism as highly resistant; n/a: not applicable
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