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Published on: June 2, 2014
Autonomic dysfunction and endothelial changes in migraine sufferers
A Rossato1, F Veronese, F Maggioni
1Department of Cardiological, Thoracic and Vascular Sciences, University of Padua, Padua, Italy.
Panminerva Medica
|February 25, 2011
Summary
Migraine patients exhibit impaired endothelial function and increased intima-media thickness, linked to autonomic nervous system changes. These autonomic dysfunctions may contribute to vascular alterations in migraineurs.
Area of Science:
- Neurology
- Cardiovascular Medicine
- Vascular Biology
Background:
- Migraine is a complex neurological disorder.
- Endothelial dysfunction and early atherosclerosis are potential complications.
- Autonomic nervous system involvement is increasingly recognized.
Purpose of the Study:
- To assess endothelial function (flow-mediated dilation, FMD) and atherosclerotic changes (intima-media thickness, IMT) in migraineurs without traditional risk factors.
- To evaluate autonomic function in migraine patients.
- To explore correlations between autonomic dysfunction and vascular modifications.
Main Methods:
- Compared 20 migraine patients with 20 matched controls.
- Utilized echo-color-Doppler imaging for IMT (carotid) and FMD (brachial artery).
- Assessed autonomic function via Tilt, Lying-to-Standing, Valsalva, Hand grip, Deep breath, Stroop, and Sweat tests.
Main Results:
- Migraineurs showed significantly lower FMD and higher IMT compared to controls.
- Autonomic dysfunction was evident in migraine patients across multiple tests (Tilt, Valsalva, Hand Grip, Deep Breath, Stroop).
- Reduced FMD correlated with observed autonomic changes.
Conclusions:
- Autonomic dysfunctions appear to alter vascular reactivity in migraine sufferers.
- These autonomic changes may be a key factor leading to endothelial dysfunction and intima-media thickening in migraine.
- The findings highlight a link between the autonomic nervous system and vascular health in migraine.
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