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No changes in cochlear implant mapping and audiometric parameters in adolescence
Miriam Geal-Dor1, Cahtia Adelman, Miriam Adler
1Hadassah University Hospital, Jerusalem, Israel. miriam112@bezeqint.net
Journal of Basic and Clinical Physiology and Pharmacology
|September 11, 2012
Summary
Cochlear implant mapping in teenagers remained stable, contrary to parental reports of hearing decline. This suggests social and educational factors, not implant function changes, may explain perceived hearing deterioration.
Area of Science:
- Audiology
- Otolaryngology
- Pediatric Medicine
Background:
- Teenagers with cochlear implants (CIs) and their parents report hearing ability decline.
- Audiologists observe these subjective reports during clinical mapping sessions.
Purpose of the Study:
- To compare CI mapping parameters over time in adolescents.
- To determine if hearing changes are more pronounced during adolescence compared to childhood.
Main Methods:
- Retrospective analysis of 23 adolescent CI users' data.
- Collected mapping data between ages 6.5 and 18.25 years.
- Included behavioral T values, impedance, free-field audiometry, speech reception threshold, and speech perception.
Main Results:
- No significant changes were observed in behavioral or objective CI parameters over the study period.
- Audiometric measurements remained stable throughout adolescence.
Conclusions:
- Stable CI mapping and audiometric results do not support hormonal or growth effects on implant function.
- Subjective hearing deterioration in adolescents may stem from increased social and educational demands rather than changes in implant performance.