A case study of rat bite fever caused by streptobacillus moniliformis

Yasue Hayakawa, Jun Suzuki, Masahiro Suzuki, Wataru Sugiura, Kiyofumi Ohkusu

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

We report a case of rat bite fever, diagnosed based on positive cultures of Streptobacillus moniliformis from blood and synovial fluid. The patient was a 45-year-old man who presented with history of a rat bite and alcoholic liver cirrhosis. He had been bitten on his third finger by a rat, which was caught in a mousetrap installed in his house. Over the course of approximately 2 weeks after the bite, the patient developed fever, rash, and arthralgia. The patient was admitted to our hospital and treated with a combination of ampicillin-sulbactam, vancomycin (VAN), and minocycline (MIN) antibiotics. Initial culture findings from the Anaerobic/F resin blood culture were positive for gram-negative bacillus after overnight incubation. Thus, S. moniliformis infection was suspected, and administration of VAN and MIN was ceased. On hospital day 8, the treatment was switched to oral amoxicillin-clavulanic acid, and the patient was discharged from the hospital. Subsequently, the pathogen was also detected in synovial fluid and identified as S. moniliformis using 16S rRNA sequencing analysis.

Original languageEnglish
Pages (from-to)323-325
Number of pages3
JournalJapanese journal of infectious diseases
Volume70
Issue number3
DOIs
Publication statusPublished - 2017

All Science Journal Classification (ASJC) codes

  • Microbiology (medical)
  • Infectious Diseases

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