Autonomic impairment in patients with migraine

D. Matei, V. Constantinescu, C. Corciova, B. Ignat, R. Matei, C.D. Popescu

Department of Biomedical Sciences, Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa” Iasi, Romania. dvm2202@yahoo.com

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• Cardiology

OBJECTIVE: Heart rate variability analysis of electrocardiogram is becoming an increasingly common method to non-invasively evaluate autonomic nervous function. The aim of the study was to investigate cardiac autonomic function in subjects with and without migraine by using 24-hour ambulatory electrocardiographic recordings.

PATIENTS AND METHODS: We investigated 27 subjects with migraine (10 with migraine with aura and 17 without aura) during headache free periods and 10 age-matched healthy control subjects. The migraine was diagnosed using the International Classification of Headache Disorders 2nd Edition criteria. Beck Depression and Beck Anxiety Inventory forms were completed by all subjects. Time and frequency-domain of HRV was analyzed for two periods: diurnal and nocturnal.

RESULTS: We found an increased frequency of anxiety and depressive symptoms in migraine patients, especially in migraine with aura group. The heart rate variability parameters SDNN, RMSSD, high frequency were decreased and low frequency was increased in migraine patients during night period compared with normal subjects, most affected were migraine with aura patients. During day period we found modification for SDNN, RMSSD and high frequency parameters only in migraine with aura group.

CONCLUSIONS: Reduced parasympathetic activity with sympathetic predominance was found in migraine patients during the night period, most affected being migraine with aura patients.

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