Mixed bacterial meningitis due to Streptococcus pneumoniae and Neisseria meningitidis in an 18-month-old child

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H Marchandin1, V Ventura, J-M Alonso

  • 1Laboratoire de Bactériologie, Hôpital Arnaud de Villeneuve, 371 Avenue du Doyen Gaston Giraud, 34295 Montpellier Cedex 5, France. h-marchandin@chu-montpellier.fr

Journal of Clinical Microbiology
|March 8, 2005
PubMed

Insights

This case study details a rare instance of mixed pneumococcal and meningococcal meningitis in an infant. The child fully recovered with prompt antimicrobial treatment, highlighting the importance of timely intervention for bacterial meningitis.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Microbiology

Background:

  • Bacterial meningitis is a serious infection of the central nervous system.
  • Mixed bacterial meningitis, involving multiple pathogens, is exceptionally rare, particularly in immunocompetent children.
  • Pneumococcal and meningococcal meningitis are distinct, severe forms of bacterial meningitis.

Observation:

  • An 18-month-old girl presented with symptoms suggestive of meningitis.
  • Cerebrospinal fluid cultures confirmed a co-infection with both Streptococcus pneumoniae (pneumococcus) and Neisseria meningitidis (meningococcus).
  • The patient had a preceding history of rhinitis of unknown cause.

Findings:

  • The patient received appropriate antimicrobial therapy tailored to the identified pathogens.
  • Clinical improvement was observed following treatment.
  • Complete recovery without any neurological or developmental sequelae was achieved.

Implications:

  • This case underscores the possibility of rare mixed bacterial meningitis, even with common pathogens.
  • Prompt diagnosis and targeted antimicrobial therapy are crucial for favorable outcomes.
  • Further research into potential triggers or predisposing factors for such mixed infections may be warranted.

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