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Updated: Mar 21, 2026
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Evidence-based guidelines for recommending cochlear implantation for young children: Audiological criteria and
Jaime R Leigh1,2,3, Shani J Dettman1,3, Richard C Dowell1,2,3
1a The HEARing CRC , Melbourne , Australia .
Insights
Cochlear implantation (CI) offers significant speech perception benefits for young children with severe to profound hearing loss (PTA > 60 dB HL). Early implantation, ideally before 2.5 years, supports language development, minimizing delays.
Area of Science:
- Pediatric audiology
- Otolaryngology
- Speech-language pathology
Background:
- Hearing loss in young children impacts speech and language development.
- Traditional amplification may not provide sufficient auditory access for all children.
- Cochlear implantation offers a potential solution for severe to profound hearing loss.
Purpose of the Study:
- To establish evidence-based guidelines for pediatric cochlear implantation.
- To compare speech perception outcomes in early-implanted children versus those using traditional amplification.
- To assess language development in young children following cochlear implantation.
Main Methods:
- Speech perception was evaluated in 78 children with cochlear implants (CIs) and 62 with traditional amplification (hearing loss 25-120 dB HL PTA).
- Language development was tracked for 32 children implanted before 2.5 years of age over six years.
- Outcomes were compared to peers with hearing or using traditional amplification.
Main Results:
- Children with a pure-tone average (PTA) > 60 dB HL had a 75% chance of better speech perception with CIs than with traditional amplification.
- A PTA > 82 dB HL indicated a 95% chance of benefit from CIs.
- Implanted children (under 2.5 years, no cognitive deficits) showed language progress, with delays related to age at implantation.
Conclusions:
- Cochlear implantation is recommended for children under three with bilateral PTA exceeding 60 dB HL.
- Early implantation (as young as possible) is crucial to minimize language delays caused by auditory deprivation.
- These findings support updated guidelines for pediatric cochlear implant candidacy.
Objective:
Establish up-to-date evidence-based guidelines for recommending cochlear implantation for young children.
Design:
Speech perception results for early-implanted children were compared to children using traditional amplification. Equivalent pure-tone average (PTA) hearing loss for cochlear implant (CI) users was established. Language of early-implanted children was assessed over six years and compared to hearing peers.
Study Sample:
Seventy-eight children using CIs and 62 children using traditional amplification with hearing losses ranging 25-120 dB HL PTA (speech perception study). Thirty-two children who received a CI before 2.5 years of age (language study).
Results:
Speech perception outcomes suggested that children with a PTA greater than 60 dB HL have a 75% chance of benefit over traditional amplification. More conservative criteria applied to the data suggested that children with PTA greater than 82 dB HL have a 95% chance of benefit. Children implanted under 2.5 years with no significant cognitive deficits made normal language progress but retained a delay approximately equal to their age at implantation.
Conclusions:
Hearing-impaired children under three years of age may benefit from cochlear implantation if their PTA exceeds 60 dB HL bilaterally. Implantation as young as possible should minimize any language delay resulting from an initial period of auditory deprivation.
