Middle Meningeal Artery Embolization for Chronic Migraine

Inclusion Criteria: * Patient with diagnosis of migraine with or without aura, chronic migraine, unilateral or bilateral, moderate to severe intensity, 4-72 hours, familiar or sporadic, status migrainosus, primary or secondary * Patient who failed pharmacologic treatment (at least 2 failed drugs treatment for more than 3 months) or have considerable side effects * Patient with diagnosis of migraine and preference for embolization treatment * Clinical follow up of at least 3 months * Baseline computed tomography head (CTH) or MR brain which rule out additional intracranial pathology (patient with baseline intracranial pathology other than migraine will be excluded; see the exclusion criteria section below) * Presence of patent middle meningeal artery homolateral to the side of migraine Exclusion Criteria: * Previous middle meningeal artery embolization for subdural hematoma * Previous craniotomy * Patients aged 17 years or younger. * Incomplete embolization of middle meningeal artery * Patient with baseline CTH or MR brain showing baseline intracranial pathology that can explain migraine