Clinical study of 44 cases of Staphylococcus aureus meningitis

V Pintado1, M A Meseguer, J Fortún

  • 1Department of Infectious Diseases, Hospital Ramón y Cajal, Universidad de Alcalá de Henares, Carretera de Colmenar km 9.1, 28034 Madrid, Spain. vpintado@hrc.salud-madrid.org

Insights

Staphylococcus aureus meningitis is a serious infection. Postoperative cases had better outcomes than spontaneous meningitis, with lower mortality rates.

Area of Science:

  • Infectious Diseases
  • Neurology
  • Bacteriology

Background:

  • Staphylococcus aureus is a significant cause of bacterial meningitis.
  • Distinguishing between postoperative and spontaneous meningitis is crucial for understanding patient profiles and outcomes.

Purpose of the Study:

  • To describe the clinical features and outcomes of Staphylococcus aureus meningitis.
  • To compare characteristics and prognoses of postoperative versus spontaneous Staphylococcus aureus meningitis.

Main Methods:

  • Retrospective chart review of 44 patients with Staphylococcus aureus meningitis over 20 years.
  • Analysis of clinical presentation, treatment, and mortality rates.
  • Comparison of patient demographics and risk factors between postoperative and spontaneous meningitis groups.

Main Results:

  • Staphylococcus aureus accounted for 10.2% of bacterial meningitis cases.
  • Postoperative meningitis patients were younger and had fewer comorbidities than spontaneous cases.
  • Overall mortality was 27%, with significantly higher mortality in spontaneous meningitis (50%) compared to postoperative (14%).
  • Factors associated with mortality included advanced age, spontaneous meningitis, altered mental status, severe underlying diseases, bacteremia, and septic shock.

Conclusions:

  • Staphylococcus aureus meningitis presents differently in postoperative versus spontaneous cases.
  • Prompt recognition and treatment are vital, though outcomes vary significantly based on etiology and patient factors.
  • Postoperative meningitis generally has a better prognosis than spontaneous meningitis.

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