Efficacy of the Bonebridge BCI602 for Adult Patients with Single-sided Deafness: A Prospective Multicenter Study

Hantai Kim, Moo Kyun Park, Shi Nae Park, Hyong Ho Cho, Jae Young Choi, Chi Kyou Lee, Il Woo Lee, Il Joon Moon, Jae Yun Jung, Jinsei Jung, Kyu Yup Lee, Jeong Hoon Oh, Hong Ju Park, Jae Hyun Seo, Jae Jin Song, Jungho Ha, Jeong Hun Jang, Yun Hoon Choung

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Objective: To investigate the safety and efficacy of a novel active transcutaneous bone conduction implant (BCI) device for patients with single-sided deafness (SSD). Study Design: Prospective cohort study. Setting: Tertiary referral hospitals. Methods: This prospective multicenter study was conducted at 15 institutions nationwide. Thirty adult (aged ≥19 years) SSD patients were recruited. They underwent implantation of an active transcutaneous BCI device (Bonebridge BCI602). Objective outcomes included aided pure-tone thresholds, aided speech discrimination scores (SDSs), and the Hearing in Noise Test (HINT) and sound localization test results. The Bern Benefit in Single-Sided Deafness (BBSS) questionnaire, the Abbreviated Profile of Hearing Aid Benefit (APHAB) questionnaire, and the Tinnitus Handicap Inventory (THI) were used to measure subjective benefits. Results: The mean aided pure-tone threshold was 34.2 (11.3), mean (SD), dB HL at 500 to 4000 Hz. The mean total BBSS score was 27.5 (13.8). All APHAB questionnaire domain scores showed significant improvements: ease of communication, 33.6 (23.2) versus 22.6 (21.3), P =.025; reverberation, 44.8 (16.6) versus 32.8 (15.9), P =.002; background noise, 55.5 (23.6) versus 35.2 (18.1), P <.001; and aversiveness, 36.7 (22.8) versus 25.8 (21.4), P =.028. Moreover, the THI scores were significantly reduced [47.4 (30.1) versus 31.1 (27.0), P =.003]. Congenital SSD was a significant factor of subjective benefit (−11.643; 95% confidence interval: −21.946 to −1.340). Conclusion: The BCI602 active transcutaneous BCI device can provide functional hearing gain without any adverse effects and is a feasible option for acquired SSD patients with long-term deafness.

Original languageEnglish
Pages (from-to)490-504
Number of pages15
JournalOtolaryngology - Head and Neck Surgery
Volume170
Issue number2
DOIs
StatePublished - Feb 2024

Bibliographical note

Publisher Copyright:
© 2023 American Academy of Otolaryngology–Head and Neck Surgery Foundation.

Keywords

  • active transcutaneous bone conduction implant
  • bone conduction implant
  • bonebridge
  • single-sided deafness

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