Evidence map›Paper›PMID 42222536›Full record

ArticleFrontiers in neurology

Clinical characteristics and prognostic analysis of patients with herpesvirus meningitis/encephalitis based on cerebrospinal fluid mNGS positivity.

Hongyan Yang, Libin Zhao

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Article in Frontiers in neurology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

2 authors.

Hongyan YangDepartment of Neurology, Shenzhen People's Hospital (The First Affiliated Hospital, Southern University of Science and Technology; The Second Clinical Medical College, Jinan University), Shenzhen, China.
Libin ZhaoDepartment of Anethesiology, Shenzhen Baoan Women's and Children's Hospital, Shenzhen, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Herpes viruses are a major cause of meningitis/encephalitis in adults. However, their individual clinical phenotypes and outcomes remain incompletely delineated. Metagenomic next-generation sequencing (mNGS) of cerebrospinal fluid (CSF) offers a powerful tool for precise pathogen identification, facilitating the comparison of distinct herpes virus infections. Methods: This retrospective cohort study analyzed 66 patients with CSF-mNGS confirmed herpes virus meningitis/encephalitis at a single center between October 2019 and August 2025. The cohort was stratified into five etiological groups: herpes simplex virus type 1 (HSV-1, Results: Distinct clinical phenotypes were observed. HSV-1 encephalitis typically presented with psychiatric symptoms, seizures, and temporal lobe involvement on MRI. HSV-2 infection manifested primarily as a febrile headache syndrome with minimal brain parenchymal involvement. VZV infection was associated with the most intense CSF inflammatory response (highest WBC and protein), a higher incidence of hypoglycorrhachia (25.9%) and hypochloridia (40.7%), and unique complications like cranial neuritis and vasculopathy. EBV infections occurred in older patients and showed features overlapping with HSV-1. HHV-7 infected a significantly younger population and was strikingly associated with elevated intracranial pressure (ICP ≥ 330 mmH Conclusion: CSF-mNGS reveals distinct and clinically significant phenotypic differences among various herpesvirus meningitis/encephalitis. VZV is characterized by a vigorous CSF inflammatory response and vascular complications, while HHV-7 predominantly affects younger adults and is significantly associated with intracranial hypertension. These findings underscore the value of mNGS in enabling pathogen-directed diagnosis and management, moving beyond syndromic approaches.

Indexed as

cerebrospinal fluidclinical featuresencephalitis/meningitisherpesvirusmetagenomic next-generation sequencingoutcomes

Identifiers

PMID42222536
PMCPMC13217395

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