Neurol Neurochir Pol
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Migraine is a common neurologic disorder whose etiology remains unknown. Migraine has been reported as a possible risk factor for ischemic stroke, especially in young women. The relationship between migraine and stroke is stronger in patients suffering from migraine with aura compared to those with common migraine. Coexistence of migraine and patent foramen ovale (PFO) should be also considered. The aim of our study was to evaluate the frequency of PFO in patients with migraine with aura (MA) and compare it with the prevalence of PFO in migraine patients without aura (M) and in a healthy age-matched control group. ⋯ Our findings suggest that at least some attacks of migraine with aura may be associated with paradoxical embolism.