Detection of metallo-β-lactamases-encoding genes among clinical isolates of Pseudomonas aeruginosa in a tertiary care hospital, Kathmandu, Nepal

Table 1 Characteristics of metallo-β-lactamases producing P. aeruginosa

Isolate	Hospital site	Sample	bla _VIM-2	bla _IMP-1	MICs (µg/ml)
Isolate	Hospital site	Sample	bla _VIM-2	bla _IMP-1	IPM	MRP	CAZ	CL
1	ICU	Sputum	+	−	16	32	256	1
2	ICU	Sputum	+	−	64	64	512	1
3	GW	Urine	+	−	128	128	512	0.5
4	ICU	Sputum	−	+	128	128	256	2
5	GW	Urine	+	−	128	256	512	2
6	GW	Urine	+	−	16	16	512	0.5
7	GW	Sputum	−	+	256	128	512	2
8	ICU	Pus/wound swab	−	+	64	64	512	1
9	GW	Urine	−	+	128	64	64	2
10	GW	Sputum	−	+	128	64	128	0.25
11	ICU	Tracheal aspirates	+	−	256	64	128	1
12	ICU	Urine	+	−	256	64	256	1
13	ICU	Sputum	+	−	128	64	256	1
14	ICU	Sputum	+	−	32	32	512	0.25
15	ICU	Pus/wound swab	+	−	64	32	128	2
16	GW	Urine	+	−	128	128	256	2
17	ICU	Sputum	+	−	128	128	512	0.5
18	ICU	Sputum	+	−	128	128	256	2
19	GW	Pus/wound swab	+	−	64	64	512	2
20	GW	Urine	+	−	256	128	128	2
21	GW	Sputum	+	−	16	32	256	1
22	ICU	Urine	−	+	128	32	64	1
23	ICU	Tracheal aspirates	+	−	256	256	512	2
24	ICU	Sputum	+	−	128	256	256	1

ICU intensive care unit, GW general ward, MIC minimum inhibitory concentration, IPM imipenem, MRP meropenem, CAZ ceftazidime, CL colistin

ISSN: 1756-0500