Intratympanic gentamicin therapy for persistent vertigo after endolymphatic sac surgery

Sam J Marzo, John P Leonetti
Otolaryngology—Head and Neck Surgery 2002, 126 (1): 31-3

OBJECTIVES: To evaluate the role of intratympanic gentamycin therapy (ITGM) in controlling vertigo in patients with refractory Meniere's who have recurrent or persistent vertigo after endolymphatic sac surgery.

STUDY DESIGN AND SETTING: A retrospective review of 491 patients seen in a university balance clinic between July 1999 and July 2000. Of these, 68 patients had Meniere's disease; 4 patients had recurrent vertigo after endolymphatic sac surgery and were followed for at least 1 year. These 4 patients received a series of ITGM injections. Outcome measures included control of vertigo and audiometric results.

RESULTS: Three of 4 (75%) patients had control of their vertigo with ITGM therapy. The 1 patient who failed ITGM therapy underwent a successful vestibular neurectomy with ultimate control of his vertigo. No patients had progression of their sensorineural hearing loss.

CONCLUSION: ITGM therapy can be used to control vertigo in selected patients with Meniere's disease who have persistent vertigo after unsuccessful endolymphatic sac surgery.

SIGNIFICANCE: ITGM therapy may reduce the need for vestibular neurectomy in patients with refractory Meniere's disease after endolymphatic sac surgery.

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