Intratympanic Gentamicin Titration Therapy for Intractable Meniere's Disease

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This study aimed to assess the efficacy and morbidity of intratympanic gentamicin titration therapy on patients with intractable unilateral Meniere's disease.

Study Design:

The study design was a retrospective chart review and patient interviews.


The study was conducted at a tertiary referral ambulatory dizziness clinic at the London Health Sciences Centre, University Campus, from July 1992 to June 1997.


Eighty-three patients received weekly intratympanic gentamicin injections in their diseased ear. Treatments were terminated after four injections or sooner if patients met clinical or audiologic criteria. Sixty-eight patients were available for detailed follow-up.

Main Outcome Measures:

Vertigo frequency, hearing status, personal disability ratings, tinnitus level, and caloric responses before and after gentamicin therapy were measured.


Eighty-four percent of patients showed complete, and an additional 6% showed substantial, vertigo control. At 24 months, 17% of patients demonstrated a clinically significant (10-dB) reduction in hearing, but 26% showed a significant hearing improvement. Overall, the group showed no combined statistically significant changes in any of the hearing parameters. No patients had an “extreme” drop in hearing (>30 dB).


Intratympanic gentamicin titration therapy provides excellent vertigo control with a low incidence of hearing loss.

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