Abstract
We report a case of septic arthritis due to Ralstonia pickettii in an intravenous drug user with unfavorable clinical course under antibiotic therapy with ceftriaxone despite in vitro susceptibility to the drug. The treatment failure may have been due to a discrepancy between in vitro and in vivo susceptibility of R. pickettii, or to resistance development mediated by a recently described inducible beta-lactamase.
MeSH terms
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Adult
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Anti-Bacterial Agents / pharmacology*
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Anti-Bacterial Agents / therapeutic use*
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Arthritis, Infectious / drug therapy*
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Arthritis, Infectious / pathology
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Ceftriaxone / pharmacology*
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Ceftriaxone / therapeutic use*
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Drug Resistance, Bacterial
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Gram-Negative Bacterial Infections / drug therapy*
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Gram-Negative Bacterial Infections / pathology
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Humans
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In Vitro Techniques
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Male
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Microbial Sensitivity Tests
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Ralstonia / pathogenicity*
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Reproducibility of Results
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Substance Abuse, Intravenous*
Substances
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Anti-Bacterial Agents
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Ceftriaxone