Endemicity of Acinetobacter calcoaceticus-baumannii Complex in an Intensive Care Unit in Malaysia

Table 2

Antimicrobial susceptibility (disc diffusion) of 44 ACB complex isolates recovered from 38 ICU patients.

Antibiotics	Nonsusceptible
	(intermediate and resistant) (%)
GEN	35 (79.5)
AKN	32 (72.7)
IMI	39 (88.6)
MER	39 (88.6)
CIP	37 (84.1)
PZ	39 (88.6)
CAZ	38 (86.4)
FEP	39 (88.6)
AMS	37 (84.1)
CPS	37 (84.1)
COL	0

GEN, gentamicin; AKN, amikacin; IMI, imipenem; MER, meropenem; CIP, ciprofloxacin; PZ, piperacillin/tazobactam; CAZ, ceftazidime; FEP, cefepime; AMS, ampicillin/sulbactam; CPS, cefoperazone/sulbactam; COL, colistin.
Antimicrobial categories: aminoglycosides (gentamicin and amikacin); antipseudomonal carbapenems (imipenem and meropenem); antipseudomonal fluoroquinolones (ciprofloxacin); antipseudomonal penicillin + β-lactamase inhibitors (piperacillin/tazobactam); extended-spectrum cephalosporins (ceftazidime and cefepime); penicillins+ β-lactamase inhibitors (ampicillin/sulbactam), cephalosporin+ β-lactamase inhibitors (cefoperazone/sulbactam); polymyxin (colistin).
MDR: nonsusceptible to ≥1 agent in ≥3 antimicrobial categories.