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Ocular vestibular evoked myogenic potential elicited from binaural air-conducted stimulations: clinical feasibility in patients with peripheral vestibular dysfunction.

Authors
  • Iwasaki, Shinichi
  • Egami, Naoya
  • Inoue, Aki
  • Kinoshita, Makoto
  • Fujimoto, Chisato
  • Murofushi, Toshihisa
  • Yamasoba, Tatsuya
Type
Published Article
Journal
Acta Oto-Laryngologica
Publisher
Informa UK (Taylor & Francis)
Publication Date
Jul 01, 2013
Volume
133
Issue
7
Pages
708–713
Identifiers
DOI: 10.3109/00016489.2013.767476
PMID: 23768055
Source
Medline
License
Unknown

Abstract

In normal subjects, bilateral oVEMPs were elicited in 75% of subjects in response to monaural ACS and in 91% in response to binaural ACS. Asymmetry ratios (ARs) of the responses to binaural ACS were significantly smaller than those of the responses to monaural ACS (p < 0.01). In patients with unilateral vestibular dysfunction, there were no significant differences in the amplitude, latency, or AR of the responses between monaural and binaural ACS. Approximately 30% of patients showed reduced ARs to binaural ACS relative to monaural ACS, primarily due to contamination by uncrossed responses elicited in healthy ears.

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