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Related Experiment Videos

Herpes simplex encephalitis: children and adolescents.

Richard J Whitley1, David W Kimberlin

  • 1Department of Pediatrics, The University of Alabama at Birmingham, AL, USA. Rwhitley@peds.uab.edu

Seminars in Pediatric Infectious Diseases
|February 3, 2005
PubMed
Summary

Herpes simplex encephalitis (HSE) is a severe brain infection. Early diagnosis using PCR and prompt acyclovir treatment are crucial, but many survivors face lasting neurological deficits.

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Virology

Background:

  • Herpes simplex encephalitis (HSE) is a severe central nervous system infection with significant morbidity and mortality.
  • Children and adolescents represent a substantial proportion of HSE cases.
  • Clinical diagnosis can be challenging due to non-specific symptoms and mimics.

Purpose of the Study:

  • To review the diagnostic approaches and current management of Herpes simplex encephalitis.
  • To highlight the role of neuroimaging and electroencephalography in supporting HSE diagnosis.
  • To discuss the limitations of current diagnostic methods and therapeutic outcomes.

Main Methods:

  • Review of diagnostic criteria for HSE.
  • Analysis of neurodiagnostic tools including MRI and EEG.

Related Experiment Videos

  • Evaluation of Polymerase Chain Reaction (PCR) for detecting herpes simplex virus DNA in cerebrospinal fluid.
  • Assessment of current acyclovir treatment protocols and their efficacy.

    • Main Results:

    • Polymerase Chain Reaction (PCR) is the gold standard for HSE diagnosis, though early false negatives can occur.
    • Magnetic Resonance Imaging (MRI) and Electroencephalogram (EEG) aid in diagnosis by showing temporal lobe involvement and characteristic brain activity.
    • Despite early treatment with acyclovir, a high percentage of survivors experience significant residual neurological deficits.

    Conclusions:

    • Early and accurate diagnosis of HSE is critical for effective management.
    • Current antiviral therapy, while essential, has limitations in preventing long-term neurological sequelae.
    • Ongoing research focuses on optimizing diagnostic sensitivity and exploring extended antiviral treatment strategies.