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KMID : 0361020210640070467
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Korean Journal of Otolaryngology - Head and Neck Surgery
2021 Volume.64 No. 7 p.467 ~ p.472
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Sound Processor Replacement in Patients with Cochlear Implant: Analysis of a 30-Year Single-Institutional Experience
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Lee Myung-Jin
Lee Seung-Eun
Mun Jae-Yeon
Lee Kyu-Yup
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Abstract
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Background and Objectives The purpose of this study is to investigate the replacement ofexternal sound processors and to help understand the economic burden experienced from cochlearimplant users.
Subjects and Method Among the 500 cases of cochlear implant surgery from 1992 to 2019,336 cases from 311 patients who had used a cochlear implant for more than 1 year were enrolled.
The period of cochlear implant use, replacement of the sound processor, the number, method,and reason of replacements were examined.
Results One hundred sixty cases (47.62%) replaced the sound processor at least once. Therewere a total of 213 replacements made in 160 cases. The most common reason for replacingthe sound processors was because it could not be repaired (71 replacements, 33.33%), withtheir period of use being an average of 12 years. The most common replacement method of thesound processors was by purchasing with medical insurance benefits (100 replacements,46.95%), with the usage period being an average of 11 years and 4 months.
Conclusion Cochlear implant users replaced the sound processor for various reasons andthe period of using one sound processor was relatively short. About half of all replacement caseswere made by applying for medical insurance benefits. Others purchased directly through asales company and paid a relatively high cost. Therefore, it is necessary to expand the medicalinsurance for external sound processor of cochlear implants to include exchange times consideringthe economic burden of cochlear implant users.
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KEYWORD
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Cochlear implant, External device, Failure rate, Hearing loss
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