International Journal of Antibiotics

Research Article

The Occurrence of blaCTX-M, blaSHV, and blaTEM Genes in Extended-Spectrum β-Lactamase-Positive Strains of Klebsiella pneumoniae, Escherichia coli, and Proteus mirabilis in Poland

Table 2

Susceptibility of Enterobacteriaceae ESBL-positive strains .
AntibioticE. coli K. pneumoniae P. mirabilis
RISRISRIS
AMC100%  100%  100%  
AM100%  100%*  100%  
CRO100%  100%  100%  
ATM16.7%25%33.3%100%  8.3% 91.7%
FEP8.3%16.7%75%83.3%16.7% 16.7%83.3% 
ETP16.7% 83.3%  100%8.3% 91.7%
MEM  100%  100%  100%
CIP91.7% 8.3%16.7% 83.3%100%  
LEV91.7% 8.3%75% 25%100%  
AN16.7%58.3%25%58.3%25%16.7%33.3% 66.7%
GM8.3% 91.7%100%  100%  
TM75% 8.3%16.7%75% 25%100%  
SXT100%  100%  100%  
AN: amikacin; AMC: amoxicillin/clavulanic acid; AM: ampicillin; ATM: aztreonam; FEP: cefepime; CRO: ceftriaxone; ETP: ertapenem; MEM: meropenem; CIP: ciprofloxacin; GM: gentamicin; LEV: levofloxacin; TM: tobramycin; SXT: trimethoprim/sulfamethoxazole; R: resistant; I: intermediate; S: susceptible; *intrinsic resistance.