Author:
Kashani Rustin G.,Kocharyan Armine,Bennion Douglas M.,Scheperle Rachel A.,Etler Christine,Oleson Jacob,Dunn Camille C.,Claussen Alexander D.,Gantz Bruce J.,Hansen Marlan R.
Abstract
Objective
To describe the use of robotics-assisted electrode array (EA) insertion combined with intraoperative electrocochleography (ECochG) in hearing preservation cochlear implant surgery.
Study Design
Prospective, single-arm, open-label study.
Setting
All procedures and data collection were performed at a single tertiary referral center.
Patients
Twenty-one postlingually deaf adult subjects meeting Food and Drug Administration indication criteria for cochlear implantation with residual acoustic hearing defined as thresholds no worse than 65 dB at 125, 250, and 500 Hz.
Intervention
All patients underwent standard-of-care unilateral cochlear implant surgery using a single-use robotics-assisted EA insertion device and concurrent intraoperative ECochG.
Main Outcome Measures
Postoperative pure-tone average over 125, 250, and 500 Hz measured at initial activation and subsequent intervals up to 1 year afterward.
Results
Twenty-two EAs were implanted with a single-use robotics-assisted insertion device and simultaneous intraoperative ECochG. Fine control over robotic insertion kinetics could be applied in response to changes in ECochG signal. Patients had stable pure-tone averages after activation with normal impedance and neural telemetry responses.
Conclusions
Combining robotics-assisted EA insertion with intraoperative ECochG is a feasible technique when performing hearing preservation implant surgery. This combined approach may provide the surgeon a means to overcome the limitations of manual insertion and respond to cochlear feedback in real-time.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Cited by
1 articles.
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