Although resistance to these antibiotics has previously been reported, the present study confirmed that isolates of ESBL-producing E coli from the Interior Health Region of British Columbia remain highly susceptible to both tigecycline and fosfomycin.
Dibekacin, a new parenteral aminoglycoside, was compared with gentamicin in vitro against 221 clinical isolates. Tests for minimum inhibitory concentrations, performed in agar, demonstrated that dibekacin was comparable to gentamicin against most isolates tested. Dibekacin was slightly more active than gentamicin against some isolates of Pseudomonas aeruginosa, but was significantly less active against strains of Serratia.
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