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Hypercoagulability and Migraine
BackgroundA growing body of literature suggests that migraineurs, particularly those with aura, have an increased risk for ischemic stroke, but not via enhanced atherosclerosis. The theory that micro‐emboli induced ischemia provokes cortical spreading depression (ie, symptomatic aura) in migraineurs but transient ischemic attacks in others highlights a potential role for hypercoagulability as a link between migraine (with aura) and stroke. AimOur objective is to summarize the literature evaluating the association of migraine with various acquired or inheritable thrombophilic states, including those related to elevated es...
Source: Headache: The Journal of Head and Face Pain - February 8, 2017 Category: Neurology Authors: Gretchen E. Tietjen, Stuart A. Collins Tags: Headache Currents Source Type: research

The Typical Thunderclap Headache of Reversible Cerebral Vasoconstriction Syndrome and its Various Triggers
During the last 10 years, reversible cerebral vasoconstriction syndrome (RCVS) has emerged as the most frequent cause of thunderclap headache (TCH) in patients without aneurysmal subarachnoid hemorrhage, and as the most frequent cause of recurrent TCHs. The typical TCHs of RCVS are multiple, recurring over a few days to weeks, excruciating, short‐lived, and brought up by exertion, sexual activities, emotion, Valsalva maneuvers, or bathing, among other triggers. All these triggers induce sympathetic activation. In a minority of cases with RCVS, TCH heralds stroke and rarely death. Early diagnosis of RCVS in patients who p...
Source: Headache: The Journal of Head and Face Pain - March 25, 2016 Category: Neurology Authors: Anne Ducros, Valérie Wolff Tags: Review Article Source Type: research

Fibromuscular Dysplasia: An Update for the Headache Clinician
ConclusionThis review summarizes the most recent literature regarding FMD, including epidemiology, clinical manifestations, imaging practices, and treatment. Special attention will be paid to the association of headaches and FMD. Correct diagnosis, optimal medical management, and appropriate referral for vascular intervention are vital elements of the treatment of patients with FMD. There is a great need for more clinical research regarding the epidemiology, pathophysiology, and optimal treatment of headache in the FMD patient population.
Source: Headache: The Journal of Head and Face Pain - April 17, 2015 Category: Neurology Authors: Sarah C. O'Connor, Neil Poria, Heather L. Gornik Tags: Headache Currents Source Type: research