Meningitis due to a combination of streptococcus mitis and neisseria subflava: A case report

Kana Fukumoto, Yasuhiro Manabe, Shunya Fujiwara, Yoshio Omote, Hisashi Narai, Haruto Yamada, Takashi Saito, Koji Abe

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

We report a rare case of meningitis due to a combination of Streptococcus mitis and Neisseria subflava. An 80-year-old female had a 4-year history of type II diabetes mellitus (DM) and an 11-year history of rheumatoid arthritis, which was treated with prednisolone, tacrolimus, and methotrexate. One month after the removal of a dental implant, she complained of a disturbance of consciousness and suffered a convulsion. A cerebrospinal fluid culture was found to be positive for both S. mitis and N. subflava. After 14 days of antibiotic treatment with 4 g/day ceftriaxone, her stiff neck, somnolence, and laboratory data greatly improved, and she was successfully discharged at 27 days after admission. Although both S. mitis and N. subflava are generally considered to be benign bacteria, they can cause meningitis in patients with the following risk factors: Older age, on immunosuppressive treatment, DM, or dental treatment.

Original languageEnglish
Pages (from-to)193-198
Number of pages6
JournalCase Reports in Neurology
Volume10
Issue number2
DOIs
Publication statusPublished - May 1 2018

Keywords

  • Bacterial meningitis
  • Compromised host
  • Neisseria subflava
  • Streptococcus mitis

ASJC Scopus subject areas

  • Clinical Neurology

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