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Updated: Jun 25, 2026
Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
Published on: August 4, 2023
Cochlear implant surgical issues in the very young child
1Sydney Cochlear Implant Centre, Children's Hospital at Westmead, Sydney, Australia. Cathy.david@bigpond.com
Insights
Neonatal hearing screening enables early diagnosis of profound hearing loss, making early cochlear implantation (CI) in infants under 12 months more feasible for improved language outcomes.
Area of Science:
- Pediatric Otolaryngology
- Neuroscience
- Audiology
Background:
- Neonatal hearing screening programs facilitate early diagnosis of profound hearing loss.
- Early cochlear implantation (CI) in infants under 12 months is increasingly accepted.
- Early CI aims to enhance auditory access and improve language development in young children.
Purpose of the Study:
- To review the surgical considerations for cochlear implantation in infants 12 months and younger.
- To highlight challenges and solutions in early pediatric CI.
Main Methods:
- Review of pre-operative assessments including audiological testing and radiology.
- Discussion of surgical challenges: anatomical access, facial nerve monitoring.
- Analysis of age-related anatomical changes (petrous temporal bone marrow distribution).
- Consideration of middle ear pathologies (acute otitis media, otitis media with effusion).
Main Results:
- Objective audiological testing and radiology are crucial for pre-operative workup.
- Younger infants present unique challenges in surgical access and nerve monitoring.
- Bone marrow distribution in the petrous temporal bone changes significantly within the first year of life.
- Middle ear conditions can impact CI outcomes in this age group.
Conclusions:
- Early cochlear implantation is a viable option for infants with profound hearing loss.
- Careful pre-operative planning and consideration of age-specific surgical factors are essential.
- Further research into managing otitis media in conjunction with CI is warranted.
Abstract:
Early cochlear implantation has become more acceptable due to neonatal hearing screening programmes with neurophysiological hearing assessments, allowing early diagnosis in the first few months of life, of profound hearing loss. Cochlear implantation is considered for the child with profound hearing loss, 12 months and younger, in order to enhance early access to hearing and enabling better language outcomes. Surgical issues for the very young child include; reliable pre-operative work up, with objective audiological testing and radiology; limited anatomical access and facial nerve monitoring; bone marrow distribution in the petrous temporal bone in the younger child, and how that resolves in the first 12 months; and the influence of acute otitis media and otitis media with effusion on cochlear implantation in children 12 months and younger.