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Related Experiment Videos

[Hemiplegic migraine]

A Joutel1, E Tournier-Lasserve, M G Bousser

  • 1INSERM U 25, Faculté de Médecine Necker, Paris.

Presse Medicale (Paris, France : 1983)
|February 25, 1995
PubMed
Summary
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Familial hemiplegic migraine (FHM) involves unilateral weakness during attacks, often with sensory or speech issues. Genetic research is crucial for understanding FHM and related migraine conditions.

Area of Science:

  • Neurology
  • Genetics
  • Migraine Research

Context:

  • Hemiplegic migraine is characterized by unilateral weakness during attacks.
  • Familial hemiplegic migraine (FHM) is an autosomal dominant condition with early onset.
  • FHM attacks include unilateral weakness, sensory, visual, or speech disturbances, with full recovery.

Purpose:

  • To define hemiplegic migraine and differentiate subtypes.
  • To explore the genetic heterogeneity of FHM.
  • To discuss the challenges in understanding the pathogenesis of hemiplegic migraine and related disorders.

Summary:

  • FHM presents with unilateral weakness, typically starting in childhood or adolescence.
  • While most FHM cases show normal neuroimaging, 20% exhibit permanent neurological signs like nystagmus and ataxia.

Related Experiment Videos

  • FHM is genetically heterogeneous, with some families linked to chromosome 19, while others are not.

    • Impact:

    • Distinguishing FHM from other hemiplegic migraine presentations is crucial for accurate diagnosis.
    • Identifying FHM genes will advance understanding of migraine pathophysiology.
    • Further research into shared pathophysiological mechanisms between FHM and other migraine types is needed.