[Case report: difficulty in treating one event of Streptococcus pneumoniae meningitis]

Kenan Hizel1, Ozlem Güzel, Arzu Altunçekiç

  • 1Gazi Universitesi Tip Fakültesi, Klinik Bakteriyoloji ve Enfeksiyon Hastaliklari Anabilim Dali, Ankara.

Insights

Recurrent pneumococcal meningitis occurred in a vaccinated patient, highlighting treatment challenges and potential vaccine limitations. This case underscores the need for further research into antibiotic resistance and vaccine efficacy for Streptococcus pneumoniae.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Immunology

Background:

  • Streptococcus pneumoniae is a primary cause of bacterial meningitis.
  • Antibiotic-resistant strains of S. pneumoniae pose a growing global health threat.

Observation:

  • A 22-year-old woman experienced two episodes of pneumococcal meningitis within five months.
  • Despite receiving the 23-valent polysaccharide vaccine after the first episode, the patient relapsed.

Findings:

  • The isolated S. pneumoniae showed intermediate resistance to penicillin and susceptibility to ceftriaxone via E-test.
  • Treatment was only successful with meropenem, indicating ceftriaxone failure despite in-vitro susceptibility.

Implications:

  • This case highlights the potential for vaccine failure in preventing recurrent S. pneumoniae infections.
  • It emphasizes the critical need to investigate mechanisms of treatment failure, even with susceptible antibiotics.
  • The findings underscore the challenges in managing antibiotic-resistant pneumococcal meningitis.

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