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  • Title: [Vestibular evoked myogenic potential findings on multiple sclerosis].
    Author: Felipe L, Carvalho SA, Cunha LC, Santos MA, Peixoto MA, Gonçalves DU.
    Journal: Rev Neurol; ; 48(6):284-6. PubMed ID: 19291650.
    Abstract:
    INTRODUCTION: Vestibular evoked myogenic potential (VEMP) elicited by acoustic stimulation, has been proposed in the assessment of vestibulospinal pathways. AIM: To research the clinical utility of VEMP on multiple sclerosis (MS). SUBJECTS AND METHODS: Forty-four individuals were evaluated (30 normal state and 14 had MS). The acoustic stimuli were short tone burst (1 kHz, 118 dBNa, rise-fall 1 ms, plateau 2 ms) presented through a supra-aural earphone. The stimulation rate was 5 stimuli per second. RESULTS: All the healthy subjects showed a normal VEMP response. In the MS group, abnormal VEMP was recorded among 92.8% of patients and normal in just one case. The P13-N23 increased of prolongation which was the most frequently alteration (57.1%), followed by absence of response among four (28.5%) cases. CONCLUSION: VEMP was considered a good method of diagnostic support of vestibulospinal tract in cases of MS.
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