Abstract
Objective
Recent studies have suggested that speech perception outcomes after cochlear implantation
(CI) in prelingually deafened adults have improved with advances in CI technology
and speech processing strategies. However, the outcomes vary from case to case. Communication
mode has been reported in many studies as the factor that related to the post CI outcomes.
This study aimed at investigating the post CI outcomes and the progress during 2 years
for each communication mode.
Material and Methods
The subjects were 17 prelingually deafened adults undergoing CI at our hospital between
April 2013 and March 2019. We investigated preoperative factors affecting post CI
outcomes. Also we analyzed post CI outcomes for each communication mode and compared
preoperative factors for each communication mode.
Results
Communication mode and preoperative discrimination score were the factor affecting
on postoperative discrimination score. The speech perception score after CI improved
significantly in the oral and lip-reading group and total communication group. The
speech perception scores in postlingually deafened adults improved significantly during
the first six months and became to plateau after CI. On the other hand, the scores
of prelingually deafened adults tended to improve gradually after six months postoperatively.
Furthermore, the degree of improvement and progress differed by each communication
mode.
Conclusion
The communication mode is important factors in predicting outcomes in prelingually
deafened adults after CI. Long-term auditory training is important for prelingually
deafened adults who use visual information as their preoperative method of communication.
Keywords
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Article info
Publication history
Published online: June 13, 2022
Accepted:
May 31,
2022
Received:
April 18,
2022
Identification
Copyright
© 2022 Japanese Society of Otorhinolaryngology-Head and Neck Surgery, Inc. Published by Elsevier B.V. All rights reserved.
