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Clinical profile of subacute sclerosing panencephalitis

Muhammad Akram1, Farrah Naz, Akbar Malik

  • 1Department of Neurology, The Chuldren's Hospital and The Institute of Child Health, Lahore, Pakistan. doc_akram@yahoo.com

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|September 19, 2008
PubMed

Insights

Subacute sclerosing panencephalitis (SSPE) in children often follows measles infection, even in vaccinated individuals. This neurological disorder predominantly affects males and presents with motor regression, cognitive decline, and specific seizure types, confirmed by EEG and CSF analysis.

Area of Science:

  • Neurology
  • Pediatrics
  • Infectious Diseases

Background:

  • Subacute sclerosing panencephalitis (SSPE) is a rare, progressive neurological complication of measles virus infection.
  • It primarily affects children and adolescents, leading to severe neurological deficits and often a fatal outcome.
  • Understanding the clinical spectrum and diagnostic markers is crucial for early identification and management.

Purpose of the Study:

  • To delineate the clinical manifestations of subacute sclerosing panencephalitis (SSPE) in a pediatric cohort.
  • To analyze the diagnostic findings, including electroencephalogram (EEG) and cerebrospinal fluid (CSF) anti-measles antibodies.
  • To assess the association with measles infection history and vaccination status.

Main Methods:

  • A case series design was employed, involving fifty pediatric patients diagnosed with SSPE.
  • Diagnostic criteria included detailed clinical history, neurological examination, CSF analysis for anti-measles antibodies, and characteristic EEG patterns.
  • Data were analyzed using descriptive statistics, including averages, means, and percentages.

Main Results:

  • The study included 50 patients (76% male) with an average age of 8 years and a mean symptom duration of 66.72 days.
  • Motor regression (100%) and cognitive decline (86%) were prevalent; myoclonic seizures occurred in 74% of patients.
  • All patients exhibited a burst-suppression EEG pattern and positive CSF anti-measles antibodies; 62% had a history of measles infection, and 86% were vaccinated.

Conclusions:

  • SSPE highlights a significant incidence of measles infection in children, even among those vaccinated, underscoring the need for robust vaccination programs.
  • The condition predominantly affects males and is characterized by motor regression, cognitive decline, and specific seizure types.
  • Characteristic EEG findings and elevated CSF anti-measles antibody titers are essential diagnostic markers for SSPE.
Abstract

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