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KMID : 1142120190210030324
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Journal of Stroke
2019 Volume.21 No. 3 p.324 ~ p.331
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History of Migraine and Volume of Brain Infarcts: The Italian Project on Stroke at Young Age (IPSYS)
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De Giuli Valeria
Besana Michele
Grassi Mario
Zedde Marialuisa
Zini Andrea
Lodigiani Corrado
Marcheselli Simona
Cavallini Anna
Micieli Giuseppe
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Abstract
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Background and Purpose: Migraine has been shown to increase cerebral excitability, promote rapid infarct expansion into tissue with perfusion deficits, and result in larger infarcts in animal models of focal cerebral ischemia. Whether these effects occur in humans has never been properly investigated.
Methods: In a series of consecutive patients with acute ischemic stroke, enrolled in the setting of the Italian Project on Stroke at Young Age, we assessed acute as well as chronic infarct volumes by volumetric magnetic resonance imaging, and compared these among different subgroups identified by migraine status.
Results: A cohort of 591 patients (male, 53.8%; mean age, 37.5±6.4 years) qualified for the analysis. Migraineurs had larger acute infarcts than non-migraineurs (median, 5.9 cm3 [interquartile range (IQR), 1.4 to 15.5] vs. 2.6 cm3 [IQR, 0.8 to 10.1], P<0.001), and the largest volumes were observed in patients with migraine with aura (median, 9.0 cm3 [IQR, 3.4 to 16.6]). In a linear regression model, migraine was an independent predictor of increased log (acute infarct volumes) (median ratio [MR], 1.64; 95% confidence interval [CI], 1.22 to 2.20), an effect that was more prominent for migraine with aura (MR, 2.92; 95% CI, 1.88 to 4.54).
Conclusions: These findings reinforce the experimental observation of larger acute cerebral infarcts in migraineurs, extend animal data to human disease, and support the hypothesis of increased vulnerability to ischemic brain injury in people suffering migraine.
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KEYWORD
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Brain ischemia, Cortical spreading depression, Migraine disorders, Risk factors, Stroke
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