Antiplatelet drugs may ease migraine in patients with patent foramen ovale

Platelet activation may play a role in the link between migraine and the common heart defect, say researchers

Thienopyridines appear to be an effective treatment for some migraineurs with patent foramen ovale, two new studies suggest.

Patent foramen ovale (PFO) is found in about one in four people and in up to 50% of people with cryptogenic stroke.