Related Experiment Video
Updated: Dec 20, 2025
03:58
Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion
Published on: January 17, 2025
732
Reliability of Measuring Insertion Depth in Cochlear Implanted Infants and Children Using Cochlear View Radiography
Anisha R Noble1, Erin Christianson2, Susan J Norton1,2,3
1Department of Otolaryngology-Head and Neck Surgery, University of Washington, Seattle, Washington, USA.
Summary
Cochlear view radiography reliably measures cochlear implant insertion depth in children. This imaging technique is accurate for assessing device placement in pediatric patients.
Area of Science:
- Medical Imaging
- Otolaryngology
- Pediatric Surgery
Background:
- Cochlear implant insertion depth impacts hearing outcomes.
- Cochlear view radiography is a validated method for depth measurement in adults.
Purpose of the Study:
- To evaluate the reliability of measuring cochlear implant insertion depth using cochlear view radiography in pediatric patients.
- To assess both interrater and intrarater reliability of this imaging technique.
Main Methods:
- Prospective observational study at a pediatric hospital.
- 42 children (11 months to 20 years) undergoing cochlear implantation.
- Postoperative cochlear view X-rays analyzed by surgeons and radiologists for depth of insertion, with re-evaluation after 6 weeks.
Main Results:
- 49 of 57 ears (86%) had successful cochlear view X-rays.
- Median insertion depth was 381° (IQR 360°-395°).
- Excellent interrater and intrarater reliability (ICCs 0.81-0.96) was demonstrated.
Conclusions:
- Postoperative cochlear view radiography is a reliable method for measuring cochlear implant insertion depth in pediatric patients.
- Further research is needed to assess the reliability of intraoperative imaging in this population.
