Treatment of Meniere Disease with on-demand intratympanic gentamicin injections
Manrique-Huarte R, Guillén-Grima F, Perez-Fernandez N.
Departments of *Otorhinolaryngology, and †Preventive Medicine, Clínica Universidad de Navarra, University Hospital and Medical School, University of Navarra, Navarra, Spain
Revista: Otology & Neurolotogy
Fecha: 10-feb-2011Medicina Preventiva Otorrinolaringología
To determine the clinical response to intratympanic administration of gentamicin in patients with Ménière's disease and to ascertain whether the pure-tone average, caloric test, or disease duration might predict clinical control.
Prospective study. Patients were followed for at least 2 years after the first injection (mean follow up time, 39 mo), and a Kaplan-Meier analysis was used to determine the survival curve that best explains the response to treatment.
Tertiary center, University hospital.
Individuals diagnosed with unilateral Ménière's disease that did not respond to previous medical treatment and who had not previously undergone surgery. Of the initial 83 patients recruited, 9 were lost during the follow-up, and thus, 74 subjects were included in the study.
In the consultant's surgery, a myringotomy was performed with topic administration of phenol before the intratympanic administration of 2 to 3 ml of gentamicin (26.7 mg/ml). Further injections were administered if vertigo was not controlled and recurred.
MAIN OUTCOME MEASURES
Absence of vertigo and the need for subsequent injections as measured in using a Kaplan-Meier time-to-event process. To test predictive variables, the log-rank test was used.
Complete control of vertigo was obtained with a single injection of gentamicin in 53% of the patients. Subsequent injections offered a 50% chance of obtaining complete control. Better results were obtained in patients in whom disease duration was less than 3 years.
On-demand administration of intratympanic gentamicin provides an alternative treatment for medically refractory Ménière's disease. Moreover, the Kaplan-Meier analysis was useful to analyze recurrent manifestations, such as vertigo attacks in Ménière's disease.
CITA DEL ARTÍCULO Otol Neurotol. 2011 Feb 10
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