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

Kim, H | Park, MK | Park, SN | Cho, HH | Choi, JY | Lee, CK | Lee, IW | Moon, IJ | Jung, JY | Jung, J | Lee, KY | Oh, JH | Park, HJ | Seo, JH | Song, JJ | Ha, J  | Jang, JH  | Choung, YH
Otolaryngology--head and neck surgery, 170(2). : 490-504, 2024
Journal Title
Otolaryngology--head and neck surgery
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.


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Journal Papers > School of Medicine / Graduate School of Medicine > Otolaryngology
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