Related Experiment Video
Updated: Jun 17, 2026
Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
Published on: August 4, 2023
Complications in pediatric cochlear implants
Jonathan McJunkin1, Anita Jeyakumar
1Washington University School of Medicine, St Louis, MO 63104, USA.
Insights
Cochlear implantation in children is safe and reliable, with few severe complications. Long-term follow-up is recommended for pediatric patients receiving cochlear implants.
Area of Science:
- Otolaryngology
- Pediatric Surgery
- Medical Device Technology
Background:
- Cochlear implantation is a critical intervention for pediatric hearing loss.
- Assessing complication rates is vital for patient safety and surgical outcomes.
Purpose of the Study:
- To retrospectively review complications in pediatric patients undergoing cochlear implantation.
- To evaluate the safety and efficacy of cochlear implants in a young population.
Main Methods:
- Retrospective analysis of 136 pediatric patients (under 18) who underwent primary cochlear implantation between 2001-2005.
- Review of demographic data, hearing loss etiology, implant type, and specific complications.
- 3-year follow-up period to assess outcomes and adverse events.
Main Results:
- No intraoperative complications were reported.
- The most frequent complications were flap infections (2.6%) and postoperative hematomas (1.9%).
- A single device failure (0.7%) occurred during the study period.
Conclusions:
- Cochlear implantation in children is a safe procedure when performed by experienced surgeons.
- Severe complications are infrequent, supporting the continued use of cochlear implants.
- Lifetime follow-up is advised for pediatric cochlear implant recipients.
Objective:
The purpose of this study is to retrospectively review the complications of pediatric patients undergoing cochlear implantation at a tertiary referral center.
Method:
Institutional review board permission was obtained. A retrospective analysis of all pediatric patients (younger than 18 years) who underwent primary cochlear implantation was performed from January 2001 to December 2005. The patients were reviewed for demographic information, type of hearing loss, cochlear implant device, and complications including implant failure, meningitis, hematoma, implant extrusion, cerebrospinal fluid leak, facial palsy, and wound infection.
Results:
One hundred sixty-five patient records were reviewed. Twenty-nine patients were lost to follow-up or were revision cases; therefore, 136 records were analyzed. Of the patients, 53.5% were male. The most common etiology of hearing loss was nonsyndromic, nongenetic, congenital sensorineural hearing loss (60.6%). Other less common etiology of hearing loss included TORCH (toxoplasmosis, other infections, rubella, cytomegalovirus, herpes simplex virus) (8.3%), connexin mutation (5.8%), and enlarged vestibular aqueduct (6.5%). All patients had a follow-up of 3 years. There were no intraoperative complications. The most common complications were flap infections (2.6%) and immediate postoperative hematomas (1.9%). Flap problems mostly occurred within 2 weeks of implantation. Within the study period, there was only one device failure (0.7%).
Conclusions:
Cochlear implantation in children continues to be reliable and safe in experienced hands, with a low percentage of severe complications. The patients should have a lifetime follow-up.
