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Table 3 Resistance genes identified by molecular method and antimicrobial susceptibility for Gram-negative BSI

From: Clinical relevance of molecular identification of microorganisms and detection of antimicrobial resistance genes in bloodstream infections of paediatric cancer patients

Episode

Phenotypic method

Resistance gene

Cefepime susceptibility

Meropenem susceptibility

1

Klebsiella pneumoniae

Negative

Susceptible

Susceptible

2

Acinetobacter baumannii

Negative

Susceptible

Susceptible

5

Escherichia coli

Negative

Resistant

Susceptible

6

Escherichia coli

Negative

Susceptible

Susceptible

8

Serratia marcescens

Negative

Susceptible

Susceptible

11

Enterobacter cloacae

Negative

Susceptible

Susceptible

16

K. pneumoniae

Negative

Susceptible

Susceptible

17

Klebsiella oxytoca

Negative

Susceptible

Susceptible

18

Achromobacter spp.

Negative

NT

NT

21

Escherichia coli

Negative

Susceptible

Susceptible

25

Enterobacter cloacae

Negative

Resistant

Susceptible

32

Pseudomonas putida

Negative

NT

NT

38

Pseudomonas aeruginosa

Negative

Resistant

Resistant

41

Klebsiella pneumoniae

bla TEM bla CTX

Resistant

Susceptible

43

Escherichia coli

bla CTX

Susceptible

Susceptible

46

Pseudomonas aeruginosa

bla SPM

Resistant

Resistant

49

Escherichia coli

Negative

Resistant

Susceptible

50

Pseudomonas aeruginosa

Negative

Resistant

Susceptible

54

Citrobacter freundii

bla CTX

Resistant

Susceptible

59

Pseudomonas aeruginosa

Negative

Resistant

Resistant

65

Escherichia coli

Negative

Susceptible

Susceptible

68

Burkholderia cepacia

Negative

NT

Resistant

  1. NT not tested