Mansoureh Toghae1, Elham Rahimian2, Mohammad Abdollahi3, Saeed Shoar4, Mohammad Naderan5. 1. Iranian Center of Neurological Research, Tehran University of Medical Sciences, Tehran, Iran ; Department of Neurology, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran. 2. Haghighat MRI Center and Khatam MRI Center, Tehran, Iran. 3. Department of Neurology, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran. 4. Department of Surgery, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran. 5. Department of Cardiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
Abstract
OBJECTIVES: To determine the frequency of hyperintense foci in migraine patients and the relationship with migraine headache characteristics and cardiovascular risk factors. METHODS: Ninety patients with migraine headache (70 without aura and 20 with aura) were enrolled and interviewed. Information on their headache (severity, frequency, and mean disease duration) and other related data was obtained by completing a clinical checklist. Subsequently, brain magnetic resonance imaging (MRI) was performed and each patient was then evaluated for hyperintense lesions. RESULTS: Of the 90 patients, 29 (32%) had silent hyperintense lesions on their MRI. The mean age of the patients with hyperintense foci was 41 years while those with no lesions was 33 years (p<0.010). Supratentorial hyperintense lesions represented the majority of lesions in the patients (n=46, 63%). Moreover, 56.3% of the lesions (n=41) were located within the right hemisphere. Cardiovascular risk factors such as smoking, serum cholesterol, oral contraceptive pills use, and body mass index (BMI) were not significantly different in these two groups (p>0.050). The lesions were found significantly more frequently in the patients who experienced chronic migraine (p=0.032). CONCLUSION: Our study adds weight to the theory that disease duration has a key role in the formation of hyperintense brain lesions. Certain cardiovascular risk factors such as sex, smoking, serum cholesterol, and BMI, do not affect the presence or absence of such lesions, suggesting that the relationship between migraine and these lesions may be directly due to the effects of migraine itself.
OBJECTIVES: To determine the frequency of hyperintense foci in migrainepatients and the relationship with migraine headache characteristics and cardiovascular risk factors. METHODS: Ninety patients with migraine headache (70 without aura and 20 with aura) were enrolled and interviewed. Information on their headache (severity, frequency, and mean disease duration) and other related data was obtained by completing a clinical checklist. Subsequently, brain magnetic resonance imaging (MRI) was performed and each patient was then evaluated for hyperintense lesions. RESULTS: Of the 90 patients, 29 (32%) had silent hyperintense lesions on their MRI. The mean age of the patients with hyperintense foci was 41 years while those with no lesions was 33 years (p<0.010). Supratentorial hyperintense lesions represented the majority of lesions in the patients (n=46, 63%). Moreover, 56.3% of the lesions (n=41) were located within the right hemisphere. Cardiovascular risk factors such as smoking, serum cholesterol, oral contraceptive pills use, and body mass index (BMI) were not significantly different in these two groups (p>0.050). The lesions were found significantly more frequently in the patients who experienced chronic migraine (p=0.032). CONCLUSION: Our study adds weight to the theory that disease duration has a key role in the formation of hyperintense brain lesions. Certain cardiovascular risk factors such as sex, smoking, serum cholesterol, and BMI, do not affect the presence or absence of such lesions, suggesting that the relationship between migraine and these lesions may be directly due to the effects of migraine itself.
Entities:
Keywords:
Magnetic Resonance Imaging; Migraine Disorders; Migraine with Aura; Migraine without Aura; White Matter
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