Vestibular evoked myogenic potentials in multiple sclerosis: A comparison between onset and definite cases

Dario Alpini, Luigi Pugnetti, Domenico Caputo, Antonio Cesarani

Research output: Contribution to journalArticle

Abstract

Patients affected with multiple sclerosis (MS) frequently suffer from vestibular disorders due to vestibulospinal involvement. The vestibulospinal reflexes in these subjects can be well investigated through vestibular evoked myogenic potentials (VEMPs). Evoked by the acoustic stimulation of the saccular macula and mediated by the vestibulocollic reflex pathway, they are recorded using surface electromyographic electrodes from the ipsilateral sternocleidomastoid muscle tonically contracted. Abnormal findings (e.g., absence of response, prolonged latencies) disclose a lesion anywhere in the pathway. We examined VEMPs in 19 patients with definite MS (5 men, 14 women; age range, 31-59 years; mean age, 45 years) and compared them to VEMPs in 10 subjects with onset MS (2 men, 8 women; age range, 24-35 years; mean age, 29 years). VEMPs in definite MS subjects were abnormal in 14, absent (on the left side only) in 1, and normal in the remaining 4. In patients with onset MS, VEMPs were abnormal in 6. These results suggest that latencies of vestibulospinal reflexes can be remarkably delayed in MS at different stages of disease, whereas vestibulospinal involvement is more frequent in definite cases. To date, no study has yet investigated different VEMPs involvement at different stages of MS.

Original languageEnglish
Pages (from-to)48-51
Number of pages4
JournalInternational Tinnitus Journal
Volume11
Issue number1
Publication statusPublished - 2005

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Vestibular Evoked Myogenic Potentials
Multiple Sclerosis
Reflex
Acoustic Stimulation
Reaction Time
Electrodes
Muscles

Keywords

  • Multiple sclerosis
  • Vestibular evoked myogenic potentials

ASJC Scopus subject areas

  • Otorhinolaryngology

Cite this

Vestibular evoked myogenic potentials in multiple sclerosis : A comparison between onset and definite cases. / Alpini, Dario; Pugnetti, Luigi; Caputo, Domenico; Cesarani, Antonio.

In: International Tinnitus Journal, Vol. 11, No. 1, 2005, p. 48-51.

Research output: Contribution to journalArticle

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