Implementation of Image-Guided Cochlear Implant Programming at a Distant Site.

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Implementation of Image-Guided Cochlear Implant Programming at a Distant Site.

Otolaryngol Head Neck Surg. 2017 May;156(5):933-937

Authors: McRackan TR, Noble JH, Wilkinson EP, Mills D, Dietrich MS, Dawant BM, Gifford RH, Labadie RF

Abstract
Our objective was to prospectively evaluate implementation of a new cochlear implant (CI) mapping technique, image-guided cochlear implant programming (IGCIP), at a site distant to the site of development. IGCIP consists of identifying the geometric relationship between CI electrodes and the modiolus and deactivating electrodes that interfere with neighboring electrodes. IGCIP maps for 17 ears of 15 adult CI patients were developed at a central image-processing center, Vanderbilt, and implemented at a distant tertiary care center, House Ear Institute. Before IGCIP and again 4 weeks after, qualitative and quantitative measures were made. While there were no statistically significant groupwise differences detected between baseline and IGCIP qualitative or quantitative measures, 11 of the 17 (64.7%) elected to keep the IGCIP map. Computed tomography (CT) image quality appears to be crucial for successful IGCIP, with 100% of those with high-resolution CT scans keeping their maps compared to 53.8% without.

PMID: 28374640 [PubMed - indexed for MEDLINE]

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