Related Experiment Video
Updated: Jun 23, 2025

06:04
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
373
Speech perception in patients submitted to cochlear reimplantation
Lucas Bevilacqua Alves da Costa1, Leticia Cristina Vicente2, Leandra Tabanez do Nascimento Silva3
1Alfa Instituto de Comunicação e Audição - São Paulo (SP), Brasil.
Codas
|June 26, 2024
Summary
Cochlear implant (CI) replacement surgery can maintain or improve auditory speech perception. Younger recipients and longer implant use are associated with better outcomes, highlighting the importance of timely device management.
Area of Science:
- Audiology
- Neurosurgery
- Speech-Language Pathology
Background:
- Cochlear implants (CI) are vital for restoring hearing in individuals with severe to profound hearing loss.
- Device failure or obsolescence necessitates cochlear implant replacement surgery.
- Understanding post-reimplantation outcomes is crucial for patient management and counseling.
Purpose of the Study:
- To evaluate auditory speech perception performance following cochlear implant replacement.
- To identify factors associated with speech perception outcomes after reimplantation, including age and device usage duration.
Main Methods:
- Retrospective analysis of 68 participants who underwent cochlear implant reimplantation between 1990 and 2016.
- Speech perception performance was assessed and compared to pre-reimplantation levels.
- Statistical analyses included Chi-Square, Spearman, Mann-Whitney, and Kruskal-Wallis tests.
Main Results:
- Most participants, particularly children, recovered or improved speech perception after reimplantation.
- Abrupt device failure was the primary reason for replacement.
- Adults demonstrated poorer recovery compared to pediatric and adolescent recipients.
- Age at first implant and duration of first and second CI use significantly impacted speech perception.
Conclusions:
- Regular device maintenance and timely replacement are essential for preserving auditory function.
- Younger age at implantation and extended use of cochlear implants are advantageous for speech perception development.

