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Long-term follow-up in active transcutaneous bone conduction implants
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Otorhinolaryngology.
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Otorhinolaryngology.
Department of Clinical Science, Intervention and Technology, Division of ENT Diseases, Karolinska Institute, Stockholm, Sweden.
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Otorhinolaryngology.ORCID iD: 0000-0002-9031-565x
2023 (English)In: Otology and Neurotology, ISSN 1531-7129, E-ISSN 1537-4505, Vol. 45, no 1, p. 58-64Article in journal (Refereed) Published
Abstract [en]

Objective: To evaluate long-term outcomes of active transcutaneous bone conduction implants (atBCIs) regarding safety, hearing, and quality of life.

Study design: A clinical study with retrospective medical record analysis combined with prospective audiometry and quality of life questionnaires.

Setting: Three secondary to tertiary care hospitals.

Patients: All subjects operated with an atBCI in three regions in Sweden were asked for informed consent. Indications for atBCI were single-sided deafness (SSD) and conductive or mixed hearing loss (CMHL).

Intervention: Evaluation of atBCI.

Main Outcome Measures: Pure tone and speech audiometry and Glasgow Benefit Inventory (GBI).

Result: Thirty-three subjects were included and 29 completed all parts. The total follow-up time was 124.1 subject-years. Nineteen subjects had CMHL and in this group, pure tone averages (PTA4) were 56.6 dB HL unaided and 29.6 dB HL aided, comparable with a functional gain of 26.0 dB. Effective gain (EG) was −12.7 dB. With bilateral hearing, Word Recognition Scores (WRS) in noise were 36.5% unaided and 59.1% aided. Fourteen subjects had SSD or asymmetric hearing loss (AHL) and in this group, PTA4 were >100 dB HL unaided and 32.1 dB HL aided with the contralateral ear blocked. EG was −9.1 dB. With bilateral hearing, WRSs were 53.2% unaided and 67.9% aided. The means of the total GBI scores were 31.7 for CMHL and 23.6 for SSD/AHL.

Conclusion: Few complications occurred during the study. The atBCI is concluded to provide a safe and effective long-term hearing rehabilitation.

Place, publisher, year, edition, pages
Wolters Kluwer, 2023. Vol. 45, no 1, p. 58-64
Keywords [en]
Bone conduction hearing device, Hearing loss, conductive/surgery, Hearing loss, mixed conductive-sensorineural, Hearing loss, unilateral, Implantable hearing, device
National Category
Otorhinolaryngology
Identifiers
URN: urn:nbn:se:umu:diva-218680DOI: 10.1097/MAO.0000000000004057PubMedID: 38085764Scopus ID: 2-s2.0-85179639429OAI: oai:DiVA.org:umu-218680DiVA, id: diva2:1822779
Funder
Region VästernorrlandThe Kempe FoundationsUmeå UniversityAvailable from: 2023-12-27 Created: 2023-12-27 Last updated: 2023-12-27Bibliographically approved

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Koro, EleonorLundgren, ElenorWerner, Mimmi

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