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  • Title: Migraine and large artery atherosclerosis in young adults with ischemic stroke.
    Author: Gollion C, Guidolin B, Lerebours F, Rousseau V, Barbieux-Guillot M, Larrue V.
    Journal: Headache; 2022 Feb; 62(2):191-197. PubMed ID: 35122432.
    Abstract:
    INTRODUCTION: Migraine is a risk factor for ischemic stroke, but the mechanisms of stroke associated with migraine are debated. The aim of this study was to investigate the association between migraine and large artery atherosclerosis (LAA) in young adults with ischemic stroke. METHODS: Patients aged between 18 and 54 years consecutively treated for first acute ischemic stroke in a university hospital stroke unit between January 2017 and December 2019 were included in this cross-sectional study. Migraine status was systematically assessed by the same headache specialist. Stenotic and nonstenotic LAA of extracranial and intracranial cerebral arteries were evaluated and graded using the ASCOD (atherosclerosis, small-vessel disease, cardiac pathology, other causes, dissection) criteria. We adjusted the association between migraine and LAA for traditional risk factors. RESULTS: A total of 415 patients were included (mean age [standard deviation], 43.9 [8.7] years; 258/415 [62.2%] men). Migraine with aura (MWA) was diagnosed in 76 patients, and migraine without aura (MWoA) in 68 patients. Patients with migraine had fewer traditional cardiovascular risk factors. Stenotic LAA (10/144 [6.9%] vs. 42/271 [15.5%]; p < 0.001) and LAA of any grade (35/144 [24.3%] vs. 138/271 [50.9%]; p < 0.001) were significantly less frequent in patients with migraine than in patients without migraine, respectively. Multivariable analysis adjusting for age, sex, overweight, tobacco use, hypertension, diabetes, and hyperlipidemia showed a negative association between migraine and LAA of any grade (odds ratio [OR] = 0.44, 95% confidence interval [CI: 0.254-0.78], p = 0.005). This negative association was found for both MWoA (OR = 0.42, 95% CI [0.204-0.88], p = 0.020) and MWA (OR = 0.47, 95% CI [0.228-0.96], p = 0.037) compared to no migraine. CONCLUSION: In this study of young adults with ischemic stroke, migraine had a negative association with LAA. This negative association was independent of traditional vascular risk factors and was found for both MWA and MWoA.
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