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Abnormalities of the vestibulo-collic reflex are similar in migraineurs with and without vertigo

Authors


Professor Jean Schoenen, MD, PhD, University Department of Neurology, Headache Research Unit, Citadelle Hospital, B-4000 Liege, Belgium. Tel. & fax + 32 4225 6451, e-mail jschoenen@ulg.ac.be

Abstract

The amplitude and habituation of the click-evoked vestibulo-collic reflex (VCR) was found reduced between attacks in migraineurs without complaints of ictal or interictal vertigo or dizziness, compared with healthy subjects. As a next step we recorded VCR in 17 migraine patients (eight with migraine without aura and nine with migraine with aura) who presented ictal migrainous vertigo according to the criteria defined by Neuhauser et al., using a method described previously. Migraineurs with migrainous vertigo have similar VCR abnormalities as patients without vertigo, i.e. a decreased global amplitude and absence of habituation. Potentiation seemed more pronounced in migraineurs with vertigo (7.46 ± 18.6), but the difference was not significant.

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