[Cryptogenic stroke - patent foramen ovale - migraine with aura: incidental triad or significant relationship? Part

Maria Łukasik1, Wojciech Kozubski

  • 1Katedra i Klinika Neurologii Uniwersytetu Medycznego im. Karola Marcinkowskiego w Poznaniu, ul. Przybyszewskiego 49, 60-355 Poznań. mlukasik@ump.edu.pl

Insights

Patent foramen ovale (PFO) is more common in migraine with aura patients. Migraine with aura increases stroke risk in women, especially with other vascular factors.

Area of Science:

  • Neurology
  • Cardiology
  • Vascular Medicine

Background:

  • Migraine with aura (MWA) is a neurological condition.
  • Patent foramen ovale (PFO) is a cardiac anomaly.
  • The link between MWA, PFO, and stroke requires further elucidation.

Purpose of the Study:

  • To explore the association between migraine with aura and patent foramen ovale (PFO).
  • To evaluate migraine with aura as a risk factor for ischemic stroke.
  • To discuss the pathophysiology and treatment implications, including PFO closure.

Main Methods:

  • Review of existing studies on migraine with aura, PFO, and stroke.
  • Analysis of prevalence data for PFO in MWA patients.
  • Discussion of theoretical mechanisms, including paradoxical embolism.

Main Results:

  • PFO with right-to-left shunt is more prevalent in patients with migraine with aura.
  • Migraine with aura is identified as a risk factor for ischemic stroke in women.
  • The risk of stroke is amplified by coexisting vascular risk factors like oral contraceptive use and smoking.

Conclusions:

  • The association between MWA and PFO is significant, with paradoxical embolism as a leading hypothesis.
  • Migraine with aura poses a notable risk for ischemic stroke in women, particularly when combined with other vascular risk factors.
  • The benefit-risk ratio of percutaneous PFO closure in migraine patients warrants careful consideration.

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