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Updated: Jun 12, 2026

Induction and Clinical Scoring of Chronic-Relapsing Experimental Autoimmune Encephalomyelitis
26:48

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Published on: July 4, 2007

Subacute sclerosing panencephalitis: an update

Jose Gutierrez1, Richard S Issacson, Barbara S Koppel

  • 1Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA. drjosegc@hotmail.com

Developmental Medicine and Child Neurology
|June 22, 2010
PubMed

Insights

Subacute sclerosing panencephalitis (SSPE) is a rare, fatal neurological condition following measles infection. It disproportionately affects unvaccinated populations, leading to progressive disability and death within five years for most patients.

Area of Science:

  • Neurology
  • Virology
  • Immunology

Background:

  • Subacute sclerosing panencephalitis (SSPE) is a chronic, progressive encephalitis linked to measles virus infection.
  • Disease prevalence is higher in areas with low measles vaccination rates.
  • The exact pathophysiology involves a dysregulated immune response allowing persistent viral infection of neurons.

Purpose of the Study:

  • To summarize the current understanding of SSPE's epidemiology, pathophysiology, clinical presentation, diagnosis, and management.
  • To highlight the disease's relentless progression and poor prognosis despite treatment efforts.

Main Methods:

  • Clinical case reviews and analysis of existing literature on SSPE.
  • Diagnostic criteria including clinical presentation, EEG findings, brain imaging, and serological evidence of measles infection.
  • Review of treatment trials and outcomes for SSPE.

Main Results:

  • SSPE manifests years after initial measles infection, with prominent psychiatric and neurological symptoms.
  • Diagnosis relies on a combination of clinical, electrophysiological, imaging, and immunological findings.
  • While treatments aim to manage seizures and complications, SSPE shows a grim prognosis, with 95% mortality within 5 years.

Conclusions:

  • SSPE remains a devastating complication of measles infection, particularly in under-vaccinated communities.
  • Effective prevention through vaccination is crucial.
  • Further research into pathophysiology and novel treatments is warranted, though current options offer limited impact on the disease's fatal course.

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