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Neurological Sciences and Neurophysiology
Article . 2020 . Peer-reviewed
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Analysis of Vestibular-Evoked Myogenic Potentials in the Vestibular Migraine

Authors: Berk Gurpinar; Belgin Tutar; Semih Karaketir; Güler Berkiten; Yavuz Uyar; Onur Akan; Tolgar Lütfi Kumral; +2 Authors

Analysis of Vestibular-Evoked Myogenic Potentials in the Vestibular Migraine

Abstract

Objectives: The objective of this study is to determine the subclinical vestibular dysfunction of patients with vestibular migraine (VM) in the interattack period who had no vestibular symptoms. We assessed ascending utricular and descending saccular pathways using cervical vestibular-evoked myogenic potentials (cVEMP) and ocular vestibular-evoked myogenic potentials (oVEMP) in patients with VM and a healthy control group and then compared the electrophysiologic findings with each other. Materials and Methods: Between January 2017 and January 2018, 116 patients (aged 18–62 years) were enrolled in the study. The study group consisted of 68 women with VM and the control group comprised 48 healthy women. Results: For cVEMP findings, the mean left ear P1 latency of the VM group was statistically significantly longer than that of the control group (P = 0.024; P < 0.05). No statistical significance was found in left ear N1 latency, P1-N1 interpeak intervals and mean amplitudes between the VM and the control groups (P > 0.05). Amplitude asymmetry ratios (AARs) were not statistically significantly different between the two groups in cVEMP (P > 0.05). In terms of oVEMP findings, no statistically significant difference was found in the right ear parameters of N1, P1, P1-N1 intervals, and amplitudes of the VM and the control groups (P > 0.05). The left ear oVEMPs of the VM group showed absent responses in 12 cases and were statistically significant compared with the control group (P = 0.037; P < 0.05). The AARs were significantly greater for the the VM group than the control group in oVEMP (P = 0.006; P < 0.05). Conclusion: These electrophysiologic findings suggest that peripheral vestibular structures such as the utricle, saccule and also other central vestibular structures might be affected in VM. Patients with VM had subclinical vestibular dysfunction despite being in the interattack period. To support the diagnosis of VM, VEMPs are easy and cost-effective tests.

Keywords

evoked potentials, migraine, Neurology. Diseases of the nervous system, electrophysiology, RC346-429

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
gold