Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology · 2025
Effectiveness of the SoundBite Bone-conduction Device in Improving Audibility, Sound Localization, and Speech Recognition for Patients With Single-sided Deafness.
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Kou Ting, Shen WeiDong, Li Hao Zhun, Li Kun, Lu Qi, Guo Xiaoyan, Deng Wei, Yang Shiming, Chen Jiyue
Аннотация
OBJECTIVE: To evaluate the effectiveness of the SoundBite bone-conduction device (referred to as SoundBite) in improving hearing thresholds, speech recognition, and sound localization for patients with single-sided deafness (SSD) after acoustic neuroma (AN) surgery.
STUDY DESIGN: A controlled, nonrandomized, prospective, unblinded study of SSD patients.
SETTING: Tertiary referral center.
PATIENTS: Thirty-eight patients with AN who had SSD after surgery.
INTERVENTION: Provision of SoundBite compared with no SoundBite.
MAIN OUTCOME MEASURES: Mean hearing thresholds in the affected ear, monosyllabic and bisyllabic word recognition in quiet, Speech Recognition Scores (SRS) in noise at signal-to-noise ratios (SNRs) of -5, 0, and 10 dB, and root-mean-square error (RMSE) of sound localization.
RESULTS: SoundBite resulted in significant improvements in mean hearing thresholds for the affected ear (measured using headphones), and monosyllabic and bisyllabic word recognition rates in quiet ( P <0.001). SRS in noise improved by 25.9% (95% CI: 19.9%-31.9%, P <0.001) at 0 dB SNR and 28.5% (95% CI: 19.1%-37.8%, P <0.001) at -5 dB SNR. There was no significant effect at 10 dB SNR, because of ceiling effects. The RMSE of sound localization improved by 12.2 degrees (95% CI: 9.4-15 degrees, P <0.001) with the use of SoundBite. The improvement in RMSE was greater for patients with recent hearing loss than for those with long-term hearing loss (17.1 degrees±8.9 degrees vs. 8.6 degrees±6.2 degrees, P =0.01).
CONCLUSIONS: SoundBite is a viable option for hearing rehabilitation for this patient population. Provision soon after surgery may be most effective.
STUDY DESIGN: A controlled, nonrandomized, prospective, unblinded study of SSD patients.
SETTING: Tertiary referral center.
PATIENTS: Thirty-eight patients with AN who had SSD after surgery.
INTERVENTION: Provision of SoundBite compared with no SoundBite.
MAIN OUTCOME MEASURES: Mean hearing thresholds in the affected ear, monosyllabic and bisyllabic word recognition in quiet, Speech Recognition Scores (SRS) in noise at signal-to-noise ratios (SNRs) of -5, 0, and 10 dB, and root-mean-square error (RMSE) of sound localization.
RESULTS: SoundBite resulted in significant improvements in mean hearing thresholds for the affected ear (measured using headphones), and monosyllabic and bisyllabic word recognition rates in quiet ( P <0.001). SRS in noise improved by 25.9% (95% CI: 19.9%-31.9%, P <0.001) at 0 dB SNR and 28.5% (95% CI: 19.1%-37.8%, P <0.001) at -5 dB SNR. There was no significant effect at 10 dB SNR, because of ceiling effects. The RMSE of sound localization improved by 12.2 degrees (95% CI: 9.4-15 degrees, P <0.001) with the use of SoundBite. The improvement in RMSE was greater for patients with recent hearing loss than for those with long-term hearing loss (17.1 degrees±8.9 degrees vs. 8.6 degrees±6.2 degrees, P =0.01).
CONCLUSIONS: SoundBite is a viable option for hearing rehabilitation for this patient population. Provision soon after surgery may be most effective.