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Related Experiment Videos

Migraine aura without headache: transient ischaemic attack or not?

M Dennis1, C Warlow

  • 1Department of Clinical Neurosciences, Western General Hospital, Edinburgh, UK.

Journal of Neurology, Neurosurgery, and Psychiatry
|June 1, 1992
PubMed
Summary

Patients experiencing migraine aura without headache have a low risk of subsequent vascular events, similar to transient ischemic attacks (TIA) patients. Despite shared risk factors, migraine aura patients showed better outcomes, suggesting reassurance is appropriate.

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Area of Science:

  • Neurology
  • Vascular Neurology
  • Epidemiology

Background:

  • Migraine aura without headache shares symptom overlap with transient ischemic attacks (TIA).
  • Differentiating these conditions is crucial for appropriate patient management and risk assessment.

Purpose of the Study:

  • To compare vascular risk factors and subsequent vascular events in patients with migraine aura without headache versus TIA.
  • To assess the long-term vascular risk associated with migraine aura without headache.

Main Methods:

  • Prospective identification of 50 patients with migraine aura without headache.
  • Comparison with 50 age-matched patients diagnosed with TIA.
  • Analysis of vascular risk factors, diseases, and subsequent vascular events.

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Main Results:

  • No significant difference in vascular risk factors between the two groups, though TIAs tended to have more.
  • Only one patient with migraine aura without headache experienced a subsequent vascular event (myocardial infarction).
  • Three TIA patients suffered strokes, and two died from vascular disease.

Conclusions:

  • Patients with migraine aura without headache demonstrate a low risk of subsequent vascular events, lower than TIA patients.
  • Despite similar vascular risk factors, migraine aura patients experience better outcomes.
  • Reassurance and appropriate risk factor management are recommended for migraine aura patients, avoiding unnecessary investigations.