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Volume 23, Number 5—May 2017

Research Letter

ESBL- and Carbapenemase-Producing Enterobacteriaceae in Patients with Bacteremia, Yangon, Myanmar, 2014

Tin O. MyatComments to Author , Rachel F. Hannaway, Khwar N. Zin, Wah W. Htike, Kyu K. Win, John A. Crump, David R. Murdoch, and James E. Ussher1
Author affiliations: University of Medicine 1, Yangon, Myanmar (T.O. Myat, W.W. Htike, K.K. Win); University of Otago, Dunedin, New Zealand (R.F. Hannaway, J.A. Crump, J.E. Ussher); Yangon General Hospital, Yangon (K.N. Zin); University of Otago, Christchurch, New Zealand (D.R. Murdoch); Southern Community Laboratories, Dunedin Hospital, Dunedin (J.E. Ussher)

Main Article

Table

Antimicrobial drug susceptibility of Enterobacteriaceae and Acinetobacter spp. isolated from blood cultures of inpatients from 3 hospitals in Yangon, Myanmar, 2014*


Organism, no. (%) susceptible
Agent
Escherichia coli, n = 20
Klebsiella pneumoniae, n = 7
Salmonella enterica, n = 6
Enterobacter cloacae, n = 1
Acinetobacter spp., n = 3
Ampicillin
2 (10)
0
6 (100)
0
NT
Amoxicillin/clavulanic acid
5 (25)
1 (14)
6 (100)
0
NT
Piperacillin/tazobactam
13 (65)
2 (29)
6 (100)
0
2 (67)
Cefuroxime
5 (25)
1 (14)
NT
0
NT
Ceftriaxone
6 (30)
1 (14)
6 (100)
0
1 (33)
Ceftazidime
6 (30)
1 (14)
6 (100)
0
0
Cefipime
7 (35)
1 (14)
6 (100)
0
2 (67)
Cefoxitin
11 (55)
4 (57)
NT
0
NT
Aztreonam
6 (30)
1 (14)
6 (100)
0
NT
Ertapenem
17 (85)
4 (57)
6 (100)
1 (100)
NT
Imipenem
17 (85)
4 (57)
6 (100)
1 (100)
3 (100)
Meropenem
17 (85)
4 (57)
6 (100)
1 (100)
3 (100)
Gentamicin
14 (70)
2 (29)
NT
1 (100)
2 (67)
Tobramycin
9 (45)
1 (14)
NT
0
3 (100)
Ciprofloxacin
1 (5)
1 (14)
3 (43)
0
2 (67)
Chloramphenicol
11 (55)
2 (29)
6 (100)
0
NT
Colistin†
20 (100)
7 (100)
6 (100)
1 (100)
3 (100)
Nitrofurantoin
16 (80)
1 (14)
NT
0
NT
Trimethoprim/ sulfamethoxazole 2 (10) 2 (29) 6 (100) 0 2 (67)

*NT, not tested.
†Because there are no Clinical and Laboratory Standards Institute for susceptibility testing criteria for colistin for Enterobaceriaceae, European Committee on Antimicrobial Susceptibility Testing (EUCAST) criteria were used (susceptible if MIC <2 mg/L, per EUCAST criteria version 6.0, 2016; http://www.eucast.org/fileadmin/src/media/PDFs/EUCAST_files/Breakpoint_tables/v_6.0_Breakpoint_table.pdf).

Main Article

1All authors contributed equally to this article.

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