Acute encephalitis in immunocompetent adults

Arun Venkatesan, Benedict D. Michael, John C. Probasco, Romergryko G. Geocadin, Tom Solomon

Research output: Contribution to journalReview articlepeer-review

23 Scopus citations


Encephalitis is a condition of inflammation of the brain parenchyma, occurs as a result of infectious or autoimmune causes, and can lead to encephalopathy, seizures, focal neurological deficits, neurological disability, and death. Viral causes account for the largest proportion, but in the last decade there has been growing recognition of anti-neuronal antibody syndromes. This Seminar focuses on the diagnosis and management of acute encephalitis in adults. Although viral and autoimmune causes are highlighted because of their prominent roles in encephalitis, other infectious pathogens are also considered. The role of cerebrospinal fluid studies, MRI, and novel diagnostic modalities (eg, next-generation sequencing) are discussed. Management approaches, including treatment of acute neurological complications and the use of immune suppressive and modulatory drugs for cases of suspected or confirmed autoimmune cause, are covered. Additionally, we discuss the remaining challenges in the diagnosis, management, and prognosis of encephalitis.

Original languageEnglish (US)
Pages (from-to)702-716
Number of pages15
JournalThe Lancet
Issue number10172
StatePublished - Feb 16 2019

ASJC Scopus subject areas

  • General Medicine


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