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Table 4 Bacteriological profiling, phenotypic and molecular testing of ESBLs and carbapenemase producing Gram-negative isolates from burn patients

From: Detection of carbapenemases blaOXA48-blaKPC-blaNDM-blaVIM and extended-spectrum-β-lactamase blaOXA1-blaSHV-blaTEM genes in Gram-negative bacterial isolates from ICU burns patients

Burns isolates N (%) ESBLs n (%) Carbapenemases n (%)
DDST/CDT PCR IMP + EDTA PCR
Pseudomonas aeruginosa 43 (41.4) 12 (54.6) 11 (33.3) 22 (40) 15 (34.1)
Klebsiella pneumoniae 17 (16.4) 3 (13.6) 6 (18.2) 8 (14.5) 7 (15.9)
Acinetobacter baumannii 12 (11.5) 4 (18.2) 7 (21.2) 3 (5.5) 2 (4.5)
Proteus mirabilis 6 (5.8) 1 (4.5) 1 (3) 5 (9.1) 4 (9.1)
Pseudomonas putida 5 (4.8)    2 (3.6) 1 (2.3)
Enterobacter cloacae 4 (3.9)   2 (6.1) 3 (5.5) 4 (9.1)
Escherichia coli 4 (3.9)   3 (9.1) 4 (7.3) 4 (9.1)
Proteus vulgaris 4 (3.9) 1 (4.5) 1 (3) 1 (1.8)  
Citrobacter freundii 2 (1.9)    2 (3.6) 2 (4.5)
Klebsiella oxytoca 2 (1.9)    2 (3.6) 2 (4.5)
Pseudomonasfluorescence 2 (1.9) 1 (4.5) 1 (3) 1 (1.8) 1 (2.3)
Acinetobacter pittii 1 (0.9)    1 (1.8) 1 (2.3)
Serratia liquefaciens 1 (0.9)   1 (3)   
Serratia marcescens 1 (0.9)    1 (1.8) 1 (2.3)
Total 104 (100) 22 (21.2) 33 (31.7) 55 (52.9) 44 (42.3)