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[Acute encephalitis: report on 32 consecutive pediatric cases observed in one hospital]

C Vial1, B Pozzetto, A Essid

  • 1Service de pédiatrie, Hôpital Nord, CHU de Saint-Etienne, 42055 Saint-Etienne cedex, France.

Medecine Et Maladies Infectieuses
|March 21, 2007
PubMed

Insights

This study analyzed 32 pediatric encephalitis cases, identifying varicella-zoster virus as the most common cause. Early diagnosis and treatment significantly impact patient outcomes, highlighting the importance of prompt medical intervention for acute encephalitis.

Area of Science:

  • Pediatric Neurology
  • Infectious Diseases
  • Virology

Context:

  • Acute encephalitis poses a significant threat to children's neurological health.
  • Understanding causative agents and diagnostic markers is crucial for effective management.
  • This study reviews a decade of pediatric encephalitis cases in a single hospital.

Purpose:

  • To identify the epidemiological characteristics of acute encephalitis in hospitalized children.
  • To determine the common etiological agents and their association with clinical presentation and outcomes.
  • To evaluate the role of diagnostic tools and early treatment in managing pediatric encephalitis.

Summary:

  • A retrospective analysis of 32 pediatric encephalitis cases (1991-2002) identified causative agents in 81%, with varicella-zoster virus (31%), Herpes simplex virus (19%), and enteroviruses (13%) being most prevalent.
  • Electroencephalogram (EEG) and cerebrospinal fluid (CSF) analysis were key acute-phase findings. Encephalic imaging aided in excluding other conditions and predicting prognosis in necrotizing encephalitis.
  • While microbiological diagnosis was delayed, empirical acyclovir treatment was common. Favorable outcomes were observed in 69% of cases, with outcomes strongly linked to the specific causative agent and encephalitis mechanism.

Impact:

  • Provides insights into the regional epidemiology of pediatric encephalitis over a 12-year period.
  • Highlights the etiological spectrum and prognostic factors influencing outcomes in childhood encephalitis.
  • Informs clinical practice regarding diagnostic priorities and therapeutic strategies for acute pediatric encephalitis.

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