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Updated: Dec 25, 2025

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Auditory and language skills in children with auditory brainstem implants
Nayara Freitas Fernandes1, Marcos de Queiroz Teles Gomes1, Robinson Koji Tsuji1
1Hospital of Clínicas, Faculty of Medicine, University of São Paulo - USP, São Paulo (SP), Brazil.
Children with auditory brainstem implants (ABI) show gradual improvements in auditory and language skills over three years. This study tracked their progress using standardized scales after ABI activation.
Area of Science:
- Audiology
- Pediatric Otolaryngology
- Speech-Language Pathology
Background:
- Pre-lingual deafness presents significant challenges in auditory and language development.
- Auditory Brainstem Implants (ABI) offer a potential solution for individuals with cochlear implants contraindications.
Purpose of the Study:
- To characterize the developmental trajectory of auditory and language skills in children using an ABI.
- To assess the long-term outcomes of ABI use in pediatric patients with pre-lingual deafness.
Main Methods:
- Retrospective longitudinal analysis of 12 children and pre-adolescents with pre-lingual deafness.
- Auditory and language skills assessed using Infant Toddler Meaningful Auditory Integration Scale (IT-MAIS), MAIS, and Meaningful Use of Speech Scale (MUSS).
- Data collected at multiple intervals up to 36 months post-ABI activation.
Main Results:
- Maximum IT-MAIS/MAIS scores reached 45.35% after 3 years of ABI use.
- Maximum MUSS scores reached 35.28% after 3 years of ABI use.
- Indicates a slow but progressive development pattern.
Conclusions:
- Pediatric ABI users demonstrate a slow, progressive development of auditory and language abilities.
- Consistent monitoring and intervention are crucial for maximizing outcomes in children with ABIs.
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