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European Archives of Oto-Rhino-Laryngology
Published in: European Archives of Oto-Rhino-Laryngology 9/2019

Open Access 01-09-2019 | Cochlear Implant | Otology

DTI study on rehabilitation of the congenital deafness auditory pathway and speech center by cochlear implantation

Authors: Hanlin Wang, Yi Liang, Wenhui Fan, Xia Zhou, Mingming Huang, Guojun Shi, Hui Yu, Guiquan Shen

Published in: European Archives of Oto-Rhino-Laryngology | Issue 9/2019

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Abstract

Purpose

To explore the correlation between hearing and speech recovery levels after cochlear implantation and examined the preoperative microstructure of auditory pathways and speech centre using DTI.

Methods

(1) Fifty-two SNHL children between 0 and 6 years and 19 age and gender matched normal hearing subjects had received 3.0 T-MRI examination of the brain.FA, axial diffusion coefficient (λ‖), radial diffusion coefficient (λ⊥), and MD values in the lateral lemniscus, inferior colliculus, medial geniculate bodies, auditory radiations, Brodmann areas 41, 42, 22, 44, 45, and 39 were all measured bilaterally. (2) CAP and SIR scores were assessed in fourty-six cochlear implantation children at 6 months post-implant. Correlations among deaf children ages, FA value of bilateral inferior colliculus FA values, BA22, BA44, and postoperative CAP, and SIR scores were analyzed using multiple linear regression.

Results

The preoperative standard partial regression age coefficient of deaf children (|bi′| = 0.404) was slightly greater than that of the inferior colliculus (|bi′| = 0.377) FA value.

Conclusion

Preoperative children ages and inferior colliculus FA values were important factors influencing postoperative CAP score. Inferior colliculus FA value is a vital influencing factor in rehabilitation after cochlear implantation.
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Metadata
Title
DTI study on rehabilitation of the congenital deafness auditory pathway and speech center by cochlear implantation
Authors
Hanlin Wang
Yi Liang
Wenhui Fan
Xia Zhou
Mingming Huang
Guojun Shi
Hui Yu
Guiquan Shen
Publication date
01-09-2019
Publisher
Springer Berlin Heidelberg
Published in
European Archives of Oto-Rhino-Laryngology / Issue 9/2019
Print ISSN: 0937-4477
Electronic ISSN: 1434-4726
DOI
https://doi.org/10.1007/s00405-019-05477-7

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