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Rapidly Progressive Pyogenic Ventriculitis Associated With Bacterial Meningitis Caused by Streptococcus intermedius
Taiki Matsubayashi1, Yukika Arai2, Masato Obayashi1
1Department of Neurology, National Hospital Organization Disaster Medical Center, Tokyo, JPN.
Cureus
|February 24, 2025
Summary
Pyogenic ventriculitis secondary to bacterial meningitis requires prompt external ventricular drainage (EVD) and vigilant imaging follow-up. Maintaining EVD until intraventricular pus resolves is crucial for optimal patient outcomes.
Area of Science:
- Neurology
- Infectious Diseases
- Neurosurgery
Background:
- Ventriculitis, an inflammation of the brain's ventricles, can stem from infections like bacterial meningitis.
- Optimal management strategies for pyogenic ventriculitis secondary to community-acquired bacterial meningitis are not well-defined.
- This case highlights the challenges in diagnosing and treating this severe neurological complication.
Observation:
- A patient presented with symptoms of bacterial meningitis, progressing to ventriculitis with hydrocephalus.
- Cerebrospinal fluid analysis revealed infection markers, and serial imaging demonstrated worsening intraventricular fluid accumulation.
- Diagnosis was confirmed by identifying *Streptococcus intermedius* in intraventricular pus.
Findings:
- Prompt external ventricular drainage (EVD) led to initial clinical improvement.
- A recurrence of symptoms necessitated a second EVD procedure.
- Sustained antimicrobial therapy and EVD management resulted in complete resolution of intraventricular pus.
Implications:
- Vigilant imaging surveillance is critical for monitoring ventriculitis progression and guiding interventions.
- Early implementation of EVD is a key factor in improving patient prognosis.
- External ventricular drainage should be maintained until imaging confirms the absence of intraventricular pus for successful treatment.
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