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A functional and anatomical comparison between two passive transcutaneous bone conduction implants in children.
Sara Giannantonio1, Alessandro Scorpecci1, Concettina Pacifico1
1Audiology and Otosurgery Unit, "Bambino Gesù" Children's Hospital, Rome, Italy.
International Journal of Pediatric Otorhinolaryngology
|April 2, 2018
Summary
This study compared Sophono™ and BAHA Attract™ bone conduction implants for conductive hearing loss. BAHA Attract™ showed better functional hearing outcomes, while both systems improved quality of life and were deemed safe.
Area of Science:
- Otolaryngology
- Biomedical Engineering
- Audiology
Background:
- Conductive hearing loss can significantly impact quality of life.
- Passive transcutaneous bone conduction implants offer a non-surgical alternative for hearing rehabilitation.
- Sophono™ and BAHA Attract™ are two such systems with differing designs.
Purpose of the Study:
- To compare the anatomical and functional outcomes of the Sophono™ and BAHA Attract™ passive transcutaneous bone conduction implant systems.
- To evaluate complications, hearing aid benefit, gain, and quality of life changes.
Main Methods:
- A cohort of 20 patients with bilateral conductive hearing loss underwent unilateral implantation.
- Ten patients received Sophono™ implants and 10 received BAHA Attract™ systems.
- Outcomes assessed included local complications, hearing aid benefit, gain, and quality of life using the Glasgow Children's Benefit Inventory (GCBI).
Main Results:
- Minor complications included skin decubitus and hyperemia in a few patients across both groups.
- BAHA Attract™ demonstrated a significantly better aided hearing threshold (23.70dB) compared to Sophono™ (31.60dB), particularly at lower frequencies.
- All patients reported improvements in their quality of life.
Conclusions:
- BAHA Attract™ provided superior functional hearing outcomes compared to Sophono™.
- Sophono™ may be more suitable for younger children due to its thinner magnet, but requires careful management.
- Both systems are safe and effective for rehabilitating conductive hearing loss, with gradual device use recommended.
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