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Review
. 2022 Oct 1;28(5):486-494.
doi: 10.1097/MCC.0000000000000980. Epub 2022 Aug 17.

Critical care management of meningitis and encephalitis: an update

Michael Thy  1   2   3 , Augustin Gaudemer  4 , Geoffroy Vellieux  5   6 , Romain Sonneville  1   7
Affiliations
Review

Critical care management of meningitis and encephalitis: an update

Michael Thy et al. Curr Opin Crit Care. .

Abstract

Purpose of review: Meningitis and encephalitis represent severe neurological syndromes associated with encephalopathy, seizures, focal deficits, and neurological sequelae in survivors. We update on the critical care management of adult patients with severe meningitis and encephalitis.

Recent findings: Large multicenter studies conducted in the adult population improved current knowledge on the epidemiology and outcomes of patients with severe meningitis and encephalitis. An early multimodal diagnostic workup (including CSF analysis, brain MRI, EEG, and serum studies) is mandatory for diagnosis and prognostication in those patients.New diagnostic methods, including multiplex PCR and next-generation sequencing techniques, allow for a faster differential diagnosis of infectious causes that may require specific antimicrobial therapy. Autoimmune causes of encephalitis, which may require urgent immunotherapy, are also increasingly recognized in the ICU setting. Although observational data suggest that early combined immunotherapy is associated with better neurological outcomes in patients with autoimmune encephalitis, randomized clinical trials have yet to be performed.

Summary: Our review highlights the importance of an early multimodal approach for diagnosing severe meningitis and encephalitis. Randomized clinical trials are needed to identify pharmacological interventions that may improve patients' outcomes.

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