Synergistic activities of fortimicin A and beta-lactam antibiotics against Pseudomonas aeruginosa.

Abstract:

:The inhibitory and bactericidal activities of fortimicin A (FTM-A) alone against Pseudomonas aeruginosa were compared with those of FTM-A in combination with beta-lactam antibiotics. As tested by the checkerboard method, most beta-lactam antibiotics tested had synergistic effects on the inhibitory activity of FTM-A against one strain of P. aeruginosa. Addition of a sublethal concentration of carbenicillin resulted in a significant increase in the rate of bacterial killing of FTM-A against P. aeruginosa. The antibacterial activity of FTM-A against 50 gentamicin-susceptible and 50 gentamicin-resistant clinical isolates of P. aeruginosa was clearly enhanced by addition of a subinhibitory concentration of carbenicillin or piperacillin.

authors

Yamashita K,Kawabe H,Mitsuhashi S

doi

10.1128/aac.20.1.33

subject

Has Abstract

pub_date

1981-07-01 00:00:00

pages

33-7

issue

1

eissn

0066-4804

issn

1098-6596

journal_volume

20

pub_type

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