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CC BY-NC-ND 4.0 · Annals of Otology and Neurotology 2020; 3(02): 072-076
DOI: 10.1055/s-0040-1715930
Original Article

Comparison of Speech Perception Abilities of Children using Bimodal Hearing with Children using Cochlear Implant Alone

Gauri Belsare
1   School of Audiology and Speech Language Pathology, Bharati Vidyapeeth Deemed to be University, Pune, Maharashtra, India
,
Sharda Sarda
1   School of Audiology and Speech Language Pathology, Bharati Vidyapeeth Deemed to be University, Pune, Maharashtra, India
,
Prakash Bhardwaj
2   Department of ENT, Shaheed Hasan Khan Mewati Government Medical College, Nalhar, Nuh, Haryana, India
,
Sai Belsare
3   Department of ENT, Bharati Vidyapeeth Deemed to be University, Pune, Maharashtra, India
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Abstract

Introduction There are very few studies comparing speech perception abilities of children using bimodal hearing over monaural cochlear implant and factors related to benefit of bimodal hearing. The aim of this study is to compare speech perception abilities of children using bimodal fitting versus children using cochlear implant alone and explore factors related to benefit of bimodal hearing.

Materials and Methods In the present study, 20 cochlear implantees with the hearing age range of 3 to 8 years were included. Speech perception performance was assessed by means of Parent’s Evaluation of Aural/Oral Performance of Children scale and early speech perception (ESP) test: Pattern Perception Words, Monosyllabic Words, Bisyllabic, and Trisyllabic Words Identification test. ESP test was carried out in two conditions cochlear implant with hearing aid in opposite ear (CIHA), bimodal, and cochlear implant (CI) alone. Aided audiometry was also carried out in above mentioned two conditions.

Results and Discussion On aided audiometry test, aided thresholds were improved by 5 to 6 dB in CIHA condition as compared to CI alone condition in 14 out of 20 children. Whereas on speech perception test, there was a significant improvement of 15 to 20% on domains of ESP test in these children. Factors such as implant age, chronological age, and number of hours of hearing aid usage were not significantly associated with benefit. Nevertheless aided threshold at 4,000 Hz was found to be significantly associated with bimodal benefit.

Conclusion Bimodal hearing is beneficial in most of the children than monaural hearing through cochlear implant.

Keywords

hearing loss - inner ear conditions - otology


Publication History

Article published online:
02 September 2020

© 2020. Indian Society of Otology. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

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