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4: Acute community-acquired meningitis and encephalitis
Miles H Beaman1, Steven L Wesselingh
1Department of Infectious Diseases, Fremantle Hospital, WA. mbeaman@cyllene.uwa.edu.au
The Medical Journal of Australia
|June 4, 2002
Summary
Prompt assessment and treatment are crucial for acute meningitis and encephalitis. Early antibiotics and specific therapies like acyclovir for herpes simplex virus are life-saving interventions for these critical neurological emergencies.
Area of Science:
- Neurology
- Infectious Diseases
Background:
- Acute meningitis and encephalitis are life-threatening neurological emergencies.
- Prompt diagnosis and intervention are critical for patient outcomes.
Purpose of the Study:
- To outline the essential diagnostic and therapeutic strategies for acute meningitis and encephalitis.
- To highlight current treatment guidelines, including antibiotic and antiviral choices, and adjunctive therapies.
Main Methods:
- Review of current medical literature and clinical guidelines for managing meningitis and encephalitis.
- Emphasis on diagnostic procedures such as cerebral imaging and lumbar puncture.
- Discussion of empirical and targeted treatment regimens.
Main Results:
- Early antibiotic administration is vital for bacterial meningitis, with evolving regimens due to resistance.
- Intravenous acyclovir is recommended for suspected herpes simplex virus encephalitis.
- Dexamethasone may benefit children with Haemophilus influenzae meningitis.
Conclusions:
- Effective management of acute meningitis and encephalitis requires rapid assessment, appropriate investigations, and timely, evidence-based treatment.
- Antimicrobial resistance necessitates adaptable treatment protocols.
- Timely intervention significantly impacts morbidity and mortality in these conditions.