The effect of cochlear implantation on the improvement of hearing performance in children suffering from profound hereditary and Non-hereditary hearing loss

AUTHORS

Hassan Norouzpour 1 , * , Seyed Hamidreza Tabatabaee 2 , Abdolreza Rajaeefard 3 , Seyed Basir Hashemi 4 , Leyla Monshizadeh 5

1 MSc Student of Epidemiology, Shiraz University of Medical Sciences, Shiraz, Iran.

2 Assisstant Professor Department of Epidemiology, Shiraz University of Medical Sciences, Shiraz, Iran.

3 Professor Department of Epidemiology, Shiraz University of Medical Sciences, Shiraz, Iran.

4 Associate Professor Department of ENT, Shiraz University of Medical Sciences, Shiraz, Iran.

5 Msc of Psycology, Shiraz University of Medical Sciences, Shiraz, Iran.

How to Cite: Norouzpour H, Tabatabaee S H, Rajaeefard A, Hashemi S B, Monshizadeh L. The effect of cochlear implantation on the improvement of hearing performance in children suffering from profound hereditary and Non-hereditary hearing loss, Hormozgan Med J. 2014 ; 17(6):e88257.

ARTICLE INFORMATION

Hormozgan Medical Journal: 17 (6); e88257
Published Online: July 01, 2012
Article Type: Research Article
Received: February 14, 2012
Accepted: July 01, 2012

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Abstract

Introduction: Hearing is one of the dominant senses of humans. In fact, human beings learn the
language which is spoken in their environment and, then, develop the capability to speak. Cochlear
implantation is introduced worldwide as a method for the treatment of the severe-to-profound sensoryneural
hearing loss. Therefore, the present study aims to investigate the effect of cochlear implantation
on the improvement of the auditory performance of the children with profound hereditary as well as
non-hereditary hearing loss.
Methods: The present follow-up study was conducted on 95 children who had been referred to Fars
Cochlear Implantation Center. The patients’ information was obtained from their pre- as well as postoperation
profiles. Moreover, their auditory performance scores were measured through the Cap Test
in 3 stages of 6 months, 1 year, and 2 years after the implantation. Besides, the non-parametric tests of
Fridman, Willcoxon, and Mann-Withney U were utilized in order to analyze the gathered data.
Results: The mean and the median of the auditory performance of the children who had undergone
the cochlear implantation showed a significant difference 6 months, 1 year, and 2 years after the
implantation. Moreover, a statistically significant relationship was observed between the independent
variable of the type of hearing loss and the auditory performance score.
Conclusion: In line with other studies conducted on the issue, the present study also confirmed the
improvement of the auditory performance in the children who have undergone the cochlear
implantation. In addition, the present study revealed that the type of hearing loss can be helpful in
identifying the candidates of the cochlear implantation.

Keywords

Cochlear Implantation – Children – Heaing Loss

© 2014, Hormozgan Medical Journal. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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