Skip to main content

Table 1 Summary of Gram-negative microorganisms isolated from blood cultures during the period of 2011–2013

From: Phenotypic and genotypic characteristics of ESBL and AmpC producing organisms associated with bacteraemia in Ho Chi Minh City, Vietnam

  Resistance phenotype
Species CAI (n = 876) HAI (n = 141) Total (n = 1017) amk amc caz cip cro etp fep imp mem ofx sxt tcc tzp
Enterobacteriaceae (n = 783)
Edwardsiella spp. 2 0 2 (0.2%) 1 1
Enterobacter spp. 9 4 13 (1.3%) 8 8 1 10 1 1 4 5 1
E. coli 392 53 445 (43.8%) 2 80 201 196 203 5 179 1 1 200 298 262 24
Klebsiella spp. 127 27 154 (15.1%) 1 15 23 19 24 3 18 2 3 19 51 30 8
Morganella morganii 2 1 3 (0.3%) 3 2 3 1 1
Proteus mirabilis 2 6 8 (0.8%) 1 3 1 1 3 5 1
Providencia spp. 1 1 2 (0.2%) 1
Non-typhoidal Salmonella 102 9 111 (10.9%) 1 3 1 1 3 29 28
Salmonella Typhi 40 4 44 (4.3%) 11
Serratia marcescens 0 1 1 (0.1%) 1 1
Non-Enterobacteriaceae (n = 234)
Aeromonas spp. 51 8 59 (5.8%) 24 23 27 1 9 20
Abiotrophia spp. 1 0 1 (0.1%) 1
Archromobacter xylosoxidans 1 1 2 (0.2%) 1 1 1 2 1 1 1
Alcaligenes spp. 8 3 11 (1.1%) 4 2 1 1 3 4 1 1 1
Brevundimonas vesicularis 2 0 2 (0.2%) No information available
Burkhoderia cepacia 28 8 36 (3.5%) 1   1
Burkhoderia pseudomallei 51 0 51 (5.0%)
Campylobacter spp. 13 0 13 (1.3%) 8 10
Chryseomonas spp. 2 2 4 (0.4%) 3 2 1 2 2 2 3 3 2 2 2 1
Comamonas spp. 1 1 2 (0.2%) No information available
Gemella spp. 1 0 1 (0.1%) No information available
Haemophilus spp. 9 2 11 (1.1%) 1 5 1 8
Moraxella spp. 1 1 2 (0.2%)
Neisseria meningitidis 5 0 5 (0.5%)
Pasteurella spp. 6 0 6 (0.6%) 1 1 1
Psychrobacter spp. 2 0 2 (0.2%) No information available
Ralstonia pickettii 4 2 6 (0.6%) 4 1 1 2 1 2 1 3 1
Roseomonas spp. 2 0 2 (0.2%) 1
Sphingomonas spp. 2 1 3 (0.3%) 1 2 2 1
Stenotrophomonas maltophilia 6 5 11 (1.1%) 7 2 6
Vibrio spp. 3 1 4 (0.4%) 1
  1. Highlighted in bold are the top three Gram-negative microorganisms (Enterobacteriaceae and non-Enterobacteriaceae) isolated from blood cultures
  2. Abbreviations: amk amikacin, amc amoxicillin-clavulanic acid, caz ceftazidime, cip ciprofloxacin, cro ceftriaxone, etp ertapenem, fep cefepime, imp imipenem, mem meropenem, ofx ofloxacin, sxt trimethoprim-sulfamethoxazole, tcc ticarcillin-clavulanic acid, tzp piperacillin-tazobactam