Performance After Cochlear Reimplantation Using a Different Manufacturer

Author:

Cottrell Justin1ORCID,Spitzer Emily1,Winchester Arianna1,Dunn-Johnson Camille2,Gantz Bruce2,Rathgeb Susan3,Shew Matthew3,Herzog Jacques3,Buchman Craig3,Friedmann David1,Jethanamest Daniel1,McMenomey Sean1,Waltzman Susan1,Thomas Roland J.1

Affiliation:

1. Department of Otolaryngology–Head and Neck Surgery, NYU Langone, New York, New York

2. Department of Otolaryngology–Head and Neck Surgery, University of Iowa, Iowa City, Iowa

3. Department of Otolaryngology–Head and Neck Surgery, Washington University School of Medicine, St. Louis, Missouri

Abstract

Objective To better understand cochlear implant (CI) performance after reimplantation with a different device manufacturer. Study Design Multisite retrospective review. Setting Tertiary referral centers. Patients Patients older than 4 years who received a CI and subsequently underwent CI reimplantation with a different manufacturer over a 20-year period Intervention Reimplantation. Main Outcome Measure The primary outcome was difference in the best CNC score obtained with the primary CI, compared with the most recent CNC score obtained after reimplantation. Results Twenty-nine patients met the criteria at three centers. The best average CNC score achieved by adult patients after primary cochlear implantation was 46.2% (n = 16), measured an average of 14 months (range: 3–36 mo) postoperatively. When looking at the most recent CNC score of adult patients before undergoing reimplantation, the average CNC score dropped to 19.2% (n = 17). After reimplantation, the average 3- to 6-month CNC score was 48.3% (n = 12), with most recent average CNC score being 44.4% (n = 17) measured an average of 19 months (range: 3–46 mo) postoperatively. There was no statistically significant difference (p = 0.321; t 11 = 0.48) identified in performance between the best CNC score achieved by adult patients after primary cochlear implantation, and the most recent score achieved after reimplantation (n = 12). Analysis of prerevision and postrevision speech performance was not possible in pediatric patients (<18 yr old) because of differences in tests administered. Conclusion Patients undergoing reimplantation with a different manufacturer achieved CNC score performance comparable to their best performance with their original device.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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