Infective endocarditis with Lactococcus garvieae in Japan: A case report

Yukiko Watanabe, Toshio Naito, Ken Kikuchi, Yu Amari, Yuki Uehara, Hiroshi Isonuma, Teruhiko Hisaoka, Terutoyo Yoshida, Kenji Yaginuma, Norihide Takaya, Hiroyuki Daida, Keiichi Hiramatsu

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)


Introduction. Lactococcus garvieae is a well-recognized fish pathogen, and it is considered a rare pathogen with low virulence in human infection. We describe the 11th case of L. garvieae infective endocarditis reported in the literature, and the first reported case in Japan. Case presentation. We report a case of a 55-year-old Japanese woman who had native valve endocarditis with L. garvieae. The case was complicated by renal infarction, cerebral infarction, and mycotic aneurysms. After anti-microbial treatment, she was discharged from the hospital and is now well while being monitored in the out-patient clinic. Conclusion: We encountered a case of L. garvieae endocarditis that occurred in a native valve of a healthy woman. The 16S ribosomal RNA gene sequencing was useful for the identification of this pathogen. Although infective endocarditis with L. garvieae is uncommon, it is possible to treat high virulence clinically.

Original languageEnglish
Article number356
JournalJournal of Medical Case Reports
Publication statusPublished - 2011
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Medicine


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