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:: Volume 23, Issue 4 (10-2014) ::
aud 2014, 23(4): 84-92 Back to browse issues page
Assessment of saccular function in pediatric candidates for cochlear implant by performing vestibular-evoked myogenic potentials
Yones Lotfi1 , Akram Farahani * 1, Abdollah Moossavi2 , Ali Eftekharian3 , Mohammad Ajalloian4 , Enayatollah Bakhshi5
1- Department of Audiology, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
2- Department of Otolaryngology, School of Medicine, Iran University of Medical Sciences, Tehrn, Iran
3- Cochlear Implant Centre of Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4- Cochlear Implant Centre of Baghiyatallahelazam Hospital, Baghiyatallahelazam University of Medical Sciences, Tehran, Iran
5- Department of Biostatistic, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
Abstract:   (10630 Views)

Background and Aim: The cochlea and vestibule are related developmentally. Therefore individuals with severe to profound sensourineural hearing loss have additional risk for vestibular dysfunction. The aim of this study was to assess saccular function using vestibular evoked myogenic potentials (VEMP) in children with severe to profound sensorineural hearing loss (SNHL) who are candidates for cochlear implant.

Methods: Thirty children (17 males and 13 females) with bilateral severe to profound sensorineural hearing loss in the age range of 3-15 years participated in this study. 17 children (9 males and 8 females) with normal hearing in the age range of 3-13 years participated as the control group. All children in each group were evaluated for saccular function by performing vestibular-evoked myogenic potentials in both ears.

Results: Comparison of mean threshold values between the two groups revealed statistically significant difference (p<0.05). In addition, comparison of mean amplitude values between the two groups revealed statistically significant difference (p<0.05). However, comparison of p1 3 and n23 latency values between the two groups revealed no significant difference (p>0.05). Out of the 30 children with bilateral severe to profound sensorineural hearing loss eight children (26.66%) had absent VEMP responses in both ears.

Conclusion: Children with severe to profound sensorineural hearing loss who are candidates for cochlear implant ha d more potential for saccular abnormalities compared to normal-hearing children. Therefore, assessment of vestibular function is very important in this population.

Keywords: Vestibular evoked myogenic potentials, sensorineural hearing loss, cochlear implant, saccule
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Type of Study: Research |
Received: 2013/12/23 | Accepted: 2014/02/25 | Published: 2014/02/27
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 23, Issue 4 (10-2014) Back to browse issues page
شنوایی شناسی - دانشگاه علوم پزشکی تهران Bimonthly Audiology - Tehran University of Medical Sciences
Creative Commons Attribution-NonCommercial 3.0

This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.

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