Effects of extended high frequency bandwidth in osseointegrated bone conduction device users

Snapp, Hillary; Kuzbyt, Brianna

doi:10.1016/j.heares.2021.108379

Cited by 3 publications

(3 citation statements)

References 32 publications

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“…2), the results with Baha 6 Max were significantly better than those with the Baha 5 at 0.25, 3, 4, 6, and 8 kHz, and the greatest difference was observed at 8-kHz frequency (51.0 dB with Baha 5 and 26.7 dB with Baha 6 Max). According to Snapp and Kuzbyt (14), improving hearing outcomes in frequencies greater than 4 kHz provides a better access to a high-frequency bandwidth, which helps to improve speech recognition. Thus, clear differences in electroacoustic characteristics of SPs account for the lower audiometric thresholds and therefore higher gain, especially high-frequency gain (Baha 5–106 dB MPO and 250–7000 Hz FR; Baha 6 Max–113 dB MPO and 200–9700 Hz FR).…”

Section: Discussionmentioning

confidence: 99%

“…Nevertheless, amplification rules prescribe large amounts of gain toward partly restoring, even minimally, audibility at frequencies greater than 5 kHz. Gain in this FR is necessary because the spectral energy of speech is lower for high frequencies than for low or medium frequencies (12)(13)(14).…”

Section: Discussionmentioning

confidence: 99%

“…The contribution of high-frequency (>5000 Hz) hearing to speech recognition has been extensively studied, and evidence has already been published (12,(14)(15)(16)(17). A better perception of high-frequency sounds will improve the detection and discrimination of phonemes with high-frequency energy, mainly in poor hearing situations with competitive noise (15,18,19).…”

Section: Discussionmentioning

confidence: 99%

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High-Frequency Gain and Maximum Output Effects on Speech Recognition in Bone-Conduction Hearing Devices: Blinded Study

Sassi,

Bucuvic,

Castiquini

et al. 2023

Otol Neurotol

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Introduction Bone-conduction hearing device (BCHD) uses natural sound transmission through bone and soft tissue, directly to the cochlea, via an external processor that captures and processes sound, which is converted into mechanical vibrations. Key parameters, as maximum power output (MPO) and broader frequency range (FR), must be considered when indicating a BCHD because they can be decisive for speech recognition, especially under listening challenge conditions. Objectives Compare hearing performance and speech recognition in noise of two sound processors (SPs), with different features of MPO and FR, among BCHD users. Materials and Methods This single-blinded, comparative, observational study evaluated 21 individuals Baha 4 system users with conductive or mixed hearing impairment. The free-field audiometry and speech recognition results were blindly collected under the following conditions: unaided, with Baha 5, and with Baha 6 Max SP. Results In free-field audiometry, significant differences were observed between the SP at 0.25, 3, 4, 6, and 8 kHz, with Baha 6 Max outperforming Baha 5. The Baha 6 Max provided significantly better speech recognition than Baha 5 under all the speech in noise conditions evaluated. Separating the transcutaneous from the percutaneous users, Baha 6 Max Attract SP provided the best results and significantly lowered the free-field thresholds than Baha 5 Attract. The Baha 6 Max also significantly improved speech recognition in noise, among both Attract and Connect users. Conclusion The present study revealed that the greater MPO and broader FR of the Baha 6 Max device helped increase high-frequency gain and improved speech recognition in BCHD-experimented users.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

High-Frequency Gain and Maximum Output Effects on Speech Recognition in Bone-Conduction Hearing Devices: Blinded Study

Sassi,

Bucuvic,

Castiquini

et al. 2023

Otol Neurotol

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Minimally invasive subperiosteal pocket technique for Osia 2 system- implantation without fixation

Bere,

Nagy,

Posta

et al. 2024

Eur Arch Otorhinolaryngol

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The CochlearTM Osia® 2 is an active transcutaneous implant designed to treat patients with different types of hearing loss. Due to its size, implantation needs appropriate practice since the necessity of extended flap creation and bone work can be an issue in some cases. The goal of our study was to determine whether fixation of the OSI200 implant was necessary for the performance of patients with conductive or mild mixed hearing loss.The vibroacoustic performance of the Osia 2 system, with and without BI300 fixation, was evaluated through tests conducted on a head model. In addition, three patients underwent surgery using the modified minimally invasive subperiosteal pocket technique; the OSI200 implant was placed in a tight subperiosteal pocket without fixing it with the BI300 implant. To evaluate the audiological performance of the non-fixated Osia 2 system, we compared the preoperative unaided pure tone and suprathreshold testing with the Baha 5 sound processor and the non-fixated Osia 2 system aided thresholds.Initial results indicate that omitting fixation does not significantly impair the function of the Osia 2 system. The findings of the clinical assessment support the fact that the Osia 2 system performed better than the Baha 5 system on Softband, both in pure tone and suprathreshold tests.According to our results, we have found that utilizing the subperiosteal pocket method and implanting Osia 2 without BI300 fixation may be a viable option. This approach has shown promising results in terms of improving hearing ability with minimalization of surgery related complications.

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Comparison between Baha® 5 and the new Baha 6 Max sound processors: results among Baha attract users

Bere,

Nagy,

Molnar

et al. 2024

Speech, Language and Hearing

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Effects of extended high frequency bandwidth in osseointegrated bone conduction device users

Cited by 3 publications

References 32 publications

High-Frequency Gain and Maximum Output Effects on Speech Recognition in Bone-Conduction Hearing Devices: Blinded Study

High-Frequency Gain and Maximum Output Effects on Speech Recognition in Bone-Conduction Hearing Devices: Blinded Study

Minimally invasive subperiosteal pocket technique for Osia 2 system- implantation without fixation

Comparison between Baha® 5 and the new Baha 6 Max sound processors: results among Baha attract users

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