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Ictal hemiparesis.

R C Dale1, J H Cross

  • 1Department of Neurology, Great Ormond Street Hospital for Children NHS Trust and Institute of Child Health, London, UK.

Developmental Medicine and Child Neurology
|June 23, 1999
PubMed
Summary
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Ictal hemiparesis, a rare condition causing evolving limb weakness during seizures, can be diagnosed when symptoms resolve after seizure control. Normal neuroimaging is common in these cases.

Area of Science:

  • Neurology
  • Pediatric Neurology
  • Neurophysiology

Background:

  • Ictal hemiparesis is a rare neurological condition characterized by temporary weakness on one side of the body.
  • It is associated with seizure activity, often presenting in children.
  • The exact pathophysiology is debated but thought to involve cortical inhibition.

Observation:

  • Two pediatric cases of evolving hemiparesis concurrent with seizure activity are presented.
  • Structural neuroimaging was normal in both subjects.
  • Electroencephalography (EEG) showed slow-wave activity, and one subject had perfusion asymmetry on SPECT scan.

Findings:

  • Both children experienced complete resolution of hemiparesis following effective seizure management.
  • This resolution supports the diagnosis of ictal hemiparesis.

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Implications:

  • The findings highlight the importance of considering ictal hemiparesis in children with evolving hemiparesis and seizure activity, especially with normal neuroimaging.
  • Prompt seizure control is crucial for diagnosis and recovery.
  • This condition underscores the complex relationship between seizure activity and temporary neurological deficits.