A “dose-response” relationship may exist between migraine and patent foramen ovale (PFO), according to a review published in Frontiers in Neurology. According to the American Heart Association, a PFO ...

Patent foramen ovale (PFO) has been linked to ischemic strokes of undetermined cause (cryptogenic strokes). PFO—a remnant of fetal circulation when the foramen ovale does not seal after birth—can ...

Researchers found closure of patent foramen ovale could result in reduced monthly migraine days. Treatment with patent foramen ovale (PFO) closure could reduce the frequency of headaches and monthly ...

Studies to date have shown an association between the presence of patent foramen ovale and cryptogenic stroke in patients younger than 55 years of age. This association has not been established in ...