Abstract
AbstractObjectiveThis study aimed to compare neural response telemetry and impedance between the round window and cochleostomy approaches for cochlear implantation.MethodsIn 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.ResultsThe 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).ConclusionBoth approaches provide equal stimulation of the cochlear nerve and impedance.
Funder
Shiraz University of Medical Sciences
Publisher
Cambridge University Press (CUP)
Subject
Otorhinolaryngology,General Medicine
Cited by
1 articles.
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