Streptococcus gallolyticus (bovis): a rare presentation of meningitis in the ED

Joshua D Gray1, Christopher J Wilson1

  • 1Department of Emergency Medicine, Geisinger Medical Center, 100 N. Academy Ave, Danville, PA, 17822.

Insights

Bacterial meningitis in the elderly is deadly, often caused by common bacteria. This case highlights Streptococcus gallolyticus as a rare cause of meningitis in an immunocompetent older woman.

Area of Science:

  • Infectious Diseases
  • Neurology
  • Geriatrics

Background:

  • Bacterial meningitis is a severe condition in the elderly, with high mortality rates exceeding 20% despite antibiotic treatment.
  • Common causative agents include Streptococcus pneumoniae, Listeria monocytogenes, Escherichia coli, and Klebsiella pneumoniae.

Observation:

  • A case of meningitis caused by Streptococcus gallolyticus is presented in an elderly, immunocompetent female patient.
  • This presentation is unusual, as Streptococcus gallolyticus is rarely reported as a cause of meningitis, especially in immunocompetent individuals.

Findings:

  • Streptococcus gallolyticus can cause meningitis and altered mental status in elderly patients, even those who are immunocompetent.
  • This finding expands the spectrum of known pathogens responsible for bacterial meningitis in this demographic.

Implications:

  • Highlights the importance of considering less common pathogens in the differential diagnosis of meningitis in the elderly.
  • Suggests a need for further research into the prevalence and clinical characteristics of Streptococcus gallolyticus meningitis in immunocompetent elderly patients.

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