Evolution of impedance field telemetry after one day of activation in cochlear implant recipients.

ABSTRACT:

Objectives

Changes in impedance between 24 hours and one month after cochlear implantation have never been explored due to the inability to switch on within one day. This study examined the effect of early activation (within 24 hours) on the evolution of electrode impedance with the aim of providing information on the tissue-to-electrode interface when electrical stimulation was commenced one day post implantation.

Methods

We performed a retrospective review at a single institution. Patients who received a Nucleus 24RECA implant system (Cochlear, Sydney, Australia) and underwent initial switch-on within 24 hours postoperatively were included. Impedance measurements were obtained intraoperatively and postoperatively at 1 day, 1 week, 4 weeks, and 8 weeks.

Results

A sig

SUBMITTER: Hu HC 

PROVIDER: S-EPMC5338792 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature