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J Audiol Otol. 2018 Oct;22(4):204-208. English. Original Article. https://doi.org/10.7874/jao.2018.00087
Hoseinabadi R , Pourbakht A , Yazdani N , Kouhi A , Kamali M , Abdollahi FZ , Jafarzadeh S .
Department of Audiology, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran.
Department of Audiology, Rehabilitation Research Centre, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran.
Otorhinolaryngology Research Center, Amir-Alam Hospital, Tehran University of Medical Sciences, Tehran, Iran. Nasrinyazdani96@gmail.com
Department of Rehabilitation Management, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran.
Department of Audiology, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran.
Abstract

Background and Objectives

Although repositioning maneuvers have shown remarkable success rate in treatments of benign paroxysmal positional vertigo (BPPV), the high recurrence rate of BPPV has been an important issue. The aims of present study were to examine the effects of otolith dysfunction on BPPV recurrence rate and to describe the effect of vestibular rehabilitation exercises on BPPV recurrence in BPPV patients with concomitant otolith dysfunction.

Subjects and Methods

Forty-five BPPV patients included in this study (three groups). Patients in group 1 had no otolith dysfunction and patients in groups 2 and 3 had concomitant otolith dysfunction. Otolith dysfunction was determined with ocular/cervical vestibular evoked myogenic potential (oVEMP and cVEMP) abnormalities. Epley's maneuver was performed for the patients in all groups but patients in group 3 also received a 2-month vestibular rehabilitation program (habituation and otolith exercises).

Results

This study showed that BPPV recurrent rate was significantly higher in patients with otolith dysfunction in comparison to the group 1 (p < 0.05). Vestibular rehabilitation resulted in BPPV recurrence rate reduction. Utricular dysfunction showed significant correlation with BPPV recurrence rate.

Conclusions

Otolith dysfunction can increase BPPV recurrence rate. Utricular dysfunction in comparison to saccular dysfunction leads to more BPPV recurrence rate. Vestibular rehabilitation program including habituation and otolith exercises may reduce the chance of BPPV recurrence.

Copyright © 2019. Korean Association of Medical Journal Editors.