Vestibular function and vertigo control after intratympanic gentamicin for Ménière's disease

Kimanh D. Nguyen, Lloyd B. Minor, Charles C. Della Santina, John P. Carey

Research output: Contribution to journalArticle

Abstract

The aim of this study was to correlate long-term vertigo control with reduction in vestibular function after intratympanic (IT) gentamicin therapy for unilateral Ménière's disease. IT gentamicin injections were given as needed to control vertigo attacks. Vertigo frequency and changes in angular vestibulo-ocular reflex (AVOR) gain (measured using magnetic search coils and manual head thrusts) and caloric weakness were assessed before and after treatment. Better vertigo control after treatment was found with ≥60% reduction in quantitative ipsilateral horizontal semicircular canal AVOR gain from pre-treatment values and/or with caloric unilateral weakness (UW) >50%. However, no correlations were found between the continuous variables of vertigo control and either gain or gain recovery, nor between gain and UW because of the large variability in vertigo control in subjects with lesser reductions in these measures.

Original languageEnglish (US)
Pages (from-to)361-372
Number of pages12
JournalAudiology and Neurotology
Volume14
Issue number6
DOIs
StatePublished - Nov 1 2009

Keywords

  • Angular vestibulo-ocular reflex
  • Caloric unilateral weakness
  • Gentamicin
  • Ménière's disease
  • Vertigo

ASJC Scopus subject areas

  • Physiology
  • Otorhinolaryngology
  • Sensory Systems
  • Speech and Hearing

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