Cervical and ocular vestibular-evoked myogenic potentials test results and its relation to vestibular signs and symptoms in individuals with vestibular migraine.

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    • Abstract:
      Objective: The objective of the present study was to characterize the response rate, latency, and amplitude parameters of the cervical and ocular vestibular evoked myogenic potentials in individuals with vestibular migraine. The objective was also to describe the signs and symptoms exhibited by individuals with vestibular migraine and find out an association with VEMP results. Method: Thirty individuals with a diagnosis of vestibular migraine and thirty healthy individuals participated in the study. The diagnosis of the vestibular migraine was made based on the diagnosis criteria given by the Barany Society and the International Headache Society. Cervical and ocular vestibular evoked myogenic potentials were recorded using 500 Hz tone burst stimulus for all the participants in both groups. Results: The latency was prolonged, and the amplitude was reduced for both the cervical and ocular vestibular evoked myogenic potentials in individuals with vestibular migraine compared with healthy individuals. There was no association between signs and symptoms exhibited by vestibular migraine individuals and VEMP results. Conclusions: Both the sacullocollic and otolith ocular pathways are affected in vestibular migraine. Hence, there is a necessity for vestibular evaluation in all patients with vestibular migraine to understand the spectrum of the pathology. [ABSTRACT FROM AUTHOR]
    • Abstract:
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