Cochlear Hearing Loss Clinical Trial
Official title:
Changes in the Threshold of Electrically Evoked Compound Action Potential in Children Following Cochlear Implantation
After cochlear implantation, cochlear nerve is stimulated by giving a current over the electrodes placed in the cochlea and the current is measured by electrically evoked Compound Action Potential (ECAP).This ECAP is measured intra operatively, after 4 weeks( at switch on), after 3months and 6 months following cochlear implantation.
After cochlear implantation, cochlear nerve is stimulated by giving a current over the electrodes placed in the cochlea and the current is measured by electrically evoked Compound Action Potential (ECAP).This ECAP is measured intra operatively, 4 weeks(at switch on) and after 3months and 6 months following cochlear implantation. Neural Response Telemetry (NRT) is a quick and non-invasive way of recording ECAP of the peripheral auditory nerves in-situ. It gives clinicians valuable information for programming the T- (Threshold) and C-(Comfort) - levels of the recipient's speech processor map. Intraoperative NRT in conjunction with electrode impedance data can help indicate the integrity of the implanted electrodes and the electrode/auditory nerve interface, confirming that the implant is functioning correctly intraoperatively. ;
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