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. 1990 May;34(5):914–917. doi: 10.1128/aac.34.5.914

In vitro antibacterial spectrum of E1040 compared with those of cefpirome and ceftazidime and disk diffusion interpretive criteria for E1040.

P C Fuchs 1, R N Jones 1, A L Barry 1
PMCID: PMC171720  PMID: 2193626

Abstract

E1040 is a new parenteral cephalosporin which was tested against 690 clinical isolates and compared with cefpirome and ceftazidime. E1040 had the best activity of the three drugs against Pseudomonas aeruginosa, inhibiting 89% of strains at 8.0 micrograms/ml. E1040 demonstrated good activity against members of the family Enterobacteriaceae, including cefpirome-resistant and ceftazidime-resistant strains. E1040 also had good activity against streptococci but much poorer activity against enterococci and staphylococci. When E1040 broth microdilution and disk diffusion susceptibility test results were compared, the 30-micrograms disk was recommended, with the following tentative interpretive criteria: susceptible, greater than or equal to 18 mm (MIC, less than or equal to 8.0 micrograms/ml); intermediate, 15 to 17 mm (MIC, 16 micrograms/ml); and resistant, less than or equal to 14 mm (MIC, greater than or equal to 32 micrograms/ml).

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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