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- Title
The effect of cochlear implant insertion technique on post-operative neural response telemetry and impedance in paediatric patients.
- Authors
Hashemi, S B; Janipour, M; Jahangiri, R; Babaei, A
- Abstract
Objective: This study aimed to compare neural response telemetry and impedance between the round window and cochleostomy approaches for cochlear implantation. Methods: In this case–control study, 64 patients aged less than 3.5 years underwent cochlear implantation via the round window or cochleostomy approach. Post-operative neural response telemetry and impedance were measured. Results: The impedance measurements at electrodes 1, 11 and 22 showed no significant differences between the two groups three months after implantation (p = 0.90, p = 0.08 and p = 0.37, respectively). Similar results were observed six months after implantation (p = 0.71, p = 0.65 and p = 0.70, respectively). There was no significant difference in neural response telemetry between the two groups after three months. The neural response telemetry of electrode 1 in the cochleostomy group (171.26 ± 19.81 μV) was significantly higher in comparison with that of electrode 1 in the round window group (161.97 ± 12.71 μV) after six months (p = 0.03). The neural response telemetry values for electrodes 11 and 22 did not show any significant difference after six months (p = 0.14 and p = 0.48, respectively). Conclusion: Both approaches provide equal stimulation of the cochlear nerve and impedance.
- Subjects
COCHLEA surgery; COCHLEAR implants; PEDIATRICS; SURGICAL complications; CASE-control method; SENSORINEURAL hearing loss; IMPEDANCE audiometry; TREATMENT effectiveness; COMPARATIVE studies; BIOELECTRIC impedance; BIOTELEMETRY
- Publication
Journal of Laryngology & Otology, 2023, Vol 137, Issue 4, p363
- ISSN
0022-2151
- Publication type
Article
- DOI
10.1017/S0022215122000901