Visual Evoked Potentials in Patients with Classic Migraine

Akbar Hamzei-Moghaddam; Rostam Syfaldiny; Farhad  Iranmanesh; Hamid Mahdavy

Zahedan Journal of Research in Medical Sciences

The Official Journal of Zahedan University of Medical Sciences

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Visual Evoked Potentials in Patients with Classic Migraine

Author(s):

Akbar Hamzei-Moghaddam¹,

Rostam Syfaldiny²,

Farhad Iranmanesh^2,*,

Hamid Mahdavy³

1Department of Neurology, Neurosciences Research Center, Kerman University of Medical Sciences, Kerman, Iran

2Department of Neurology, Neurology Research Center, Kerman University of Medical Sciences, Kerman, Iran

3Neurologist

Zahedan Journal of Research in Medical Sciences:Vol. 15, issue 4; e92999

Published online:Nov 05, 2012

Article type:Research Article

Received:Sep 30, 2011

Accepted:Dec 14, 2011

How to Cite:Hamzei-Moghaddam A, Syfaldiny R, Iranmanesh F, Mahdavy H. Visual Evoked Potentials in Patients with Classic Migraine. Zahedan J Res Med Sci. 2013;15(4):e92999. doi:

Abstract

Background : Migraine is considered as a chronic disease. Ocular symptoms and sensitivity to light stimuli are common in the patients with such disease. There are some evident that visual system function in the patients with migraine is impaired even between the attacks as compared with health people. In this study, we examine Visual Evoked Potential in 30 patients suffered from migraine before, during and after aura.
Materials and Methods : 30 patients suffered from classic migraine and with visual aura were evaluated in terms of visual stimulatory potentials before, during and after aura. P-100 latency and amplitude were evaluation criteria in our study. The results of this investigation were evaluated by χ2 test.
Results : Abnormal amplitude frequency was occurred in 17 cases before aura, in 27 cases during aura and in 20 cases, it occurred after aura. Reduction of the amplitude wave p-100 during and after aura was significantly more in both eyes (p<0.05). Ten cases had abnormal P-100 latency during aura and the other two cases had it after aura. There is a significant difference in the P-100 latency during aura (p<0.05). There is no difference between the changes in visual stimulatory potentials with gender.
Conclusion : Some changes were found in the parameters in the visual stimulatory potentials in the patients with classic migraine before, during and after aura.

Keywords

Migraine

Aura

visual evoked potential

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Author(s):

Akbar Hamzei-Moghaddam:[PubMed][Scholar]
Rostam Syfaldiny:[PubMed][Scholar]
Farhad Iranmanesh:[PubMed][Scholar]
Hamid Mahdavy:[PubMed][Scholar]

The Official Journal of Zahedan University of Medical Sciences

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Visual Evoked Potentials in Patients with Classic Migraine

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