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Streptococcus Viridans meningitis in an immunocompetent child: A case report

Ali Goudarzi1, Roham Sarmadian2, Parsa Yousefichaijan3

  • 1Iranian Center of Neurological Research Neuroscience Institute, Tehran University of Medical Sciences Tehran Iran.

Clinical Case Reports
|March 13, 2023
PubMed

Insights

Viridans streptococci rarely cause bacterial meningitis but can lead to severe infections. This case highlights Streptococcus viridans meningitis in an immunocompetent child, challenging typical pathogen assumptions.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Pediatrics

Background:

  • Viridans streptococci are typically associated with endocarditis and opportunistic infections in immunocompromised individuals.
  • They are not commonly recognized as primary causative agents of bacterial meningitis, especially in healthy populations.

Observation:

  • A 5-year-old immunocompetent boy presented with clinical signs and symptoms indicative of meningitis.
  • Cerebrospinal fluid (CSF) analysis confirmed the presence of Streptococcus viridans.

Findings:

  • The identification of Streptococcus viridans as the pathogen in this case is unusual given its non-prevalence in bacterial meningitis.
  • This finding suggests a potential for Viridans streptococci to cause invasive meningitis even in immunocompetent hosts.

Implications:

  • This case expands the known spectrum of clinical manifestations for Viridans streptococci.
  • It underscores the importance of considering less common pathogens in the differential diagnosis of meningitis, regardless of patient immune status.
  • Further research may be warranted to understand the mechanisms and prevalence of meningitis caused by this bacterial group in diverse populations.
Keywords:
Viridans streptococci groupgram‐positive bacteriameningitis

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