Phenotypic and molecular detection of the blaKPC gene in clinical isolates from inpatients at hospitals in São Luis, MA, Brazil

Table 5 Frequency of antimicrobial-resistant microorganisms harboring blaKPC

	% antibiotic resistance strains with blaKPC gene^a
Species	AMI	AMP	ASB	ATM	CFL	CEF	CTX	CFO	CAZ	CIP	POL	GEN	IMP	MER	ERT	PTZ	TIG	No. of blaKPC +
Acinetobacter baumannii	23.8	100	100	100	100	100	100	100	100	100	0.0	47.6	100	100	NT^b	100	0.0	21
Enterobacter aerogenes	50.0	100	100	100	100	100	100	100	100	33.3	0.0	16.7	83.3	83.3	83.3	83.3	33.3	6
Enterobacter cloacae	20.0	100	100	100	100	100	100	100	100	100	0.0	60.0	100	100	100	100	40.0	6
Escherichia coli	0.0	100	100	100	100	100	100	100	100	100	0.0	100	0.0	0.0	100	100	NT^a	1
Klebsiella pneumoniae	13.6	100	100	100	100	100	100	100	100	83.1	11.9	52.5	94.9	88.1	100	100	20.3	60
Pantoea spp.	0.0	100	100	100	100	100	100	100	100	100	0.0	100	100	100	100	100	NT^a	1
Raoultella planticola	0.0	100	100	100	100	100	100	100	100	100	100	100	100	50.0	100	100	100	2
Raoultella ornithinolytica	0.0	100	100	100	100	100	100	100	100	100	100	0.0	100	100	100	100	0.0	1
Serratia marcescens	100	100	100	100	100	100	100	100	100	0.0	100	50.0	100	100	100	100	50.0	2

^aAMI, amikacin (30 μg); AMP, ampicillin (10 μg); ASB, ampicillin/sulbactam (10/10 μg); ATM, aztreonam (30 μg); CFL, cephalothin (30 μg); CEF, cefepime (30 μg), CTX, cefotaxime (30 μg); CFO, cefoxitin (30 μg); CAZ, ceftazidime (30 μg), CIP, ciprofloxacin (5 μg); ERT, ertapenem (10 μg); GEN, gentamicin (10 μg); IMP, imipenem (10 μg); MER, meropenem (10 μg); and PTZ, piperacillin/tazobactam (100/10 μg); POL, Polymixin B (300 U); TIG, Tigecicline (15 μg)
^bNT = non-tested

ISSN: 1471-2334