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Related Experiment Videos

Migrating partial seizures in infancy: a malignant disorder with developmental arrest

G Coppola1, P Plouin, C Chiron

  • 1Neuropediatric Department, Université René Descartes, Paris, France.

Epilepsia
|October 1, 1995
PubMed
Summary

A novel epileptic condition in infants presents with continuous multifocal seizures and developmental regression. This severe neurological disorder, with unknown etiology, leads to significant disability and mortality in affected children.

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Area of Science:

  • Pediatric Neurology
  • Epileptology
  • Clinical Neuroscience

Background:

  • A previously unreported epileptic condition in infants is described.
  • The condition is characterized by nearly continuous multifocal seizures starting around 3 months of age without identifiable risk factors.

Purpose of the Study:

  • To characterize a novel epileptic syndrome in infants.
  • To investigate the clinical, electroencephalographic (EEG), and neuropathological features of this condition.
  • To explore potential etiologies and outcomes.

Main Methods:

  • Clinical observation of 14 infants with the condition.
  • Electroencephalography (EEG) to analyze seizure patterns.
  • Neuropathological examination of brain tissue in two cases.

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Main Results:

  • Seizures were multifocal, frequent, and involved random cortical areas with a consistent alpha or theta rhythmic EEG pattern.
  • Infants experienced developmental regression, quadriplegia, and severe hypotonia.
  • Three patients died, and seizure control was achieved in only two; psychomotor development resumed in only three.

Conclusions:

  • This study defines a new, severe infantile epileptic syndrome with poor prognosis.
  • The etiology remains unknown, with no familial recurrence observed.
  • Neuropathology revealed significant hippocampal neuronal loss and gliosis.