Observational studyEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2023
Performance of an active transcutaneous bone conduction implant, the Osia system, in high frequencies and hearing in noise in users converted from a Baha attract system: a prospective study.
Observational study in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 8 citations in OpenAlex.
- Cost-effectiveness Analysis Comparing Osia System to Percutaneous Bone Conduction Devices in Sweden.Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology · 2026Article
- Active piezoelectric bone conduction implant OsiaEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2025Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeHearing rehabilitation through middle ear surgery can be challenging, particularly for patients with chronic otitis media, but new hearing devices offer opportunity to reach this goal. The aim was to compare hearing outcomes and quality of life in patients who were converted from a Baha Attract system to the Osia system.
methodsProspective observational study, in which each subject acted as their own control. Six patients who were converted from a Baha Attract to an Osia system performed audiometric and quality of life assessments with different sound processor at fitting, 3, 6 and 12 months. The speech performance in noise with the Osia system at 12 months, expressed as dB SNR, was compared to the baseline condition (Baha 5).
resultsThe PTA4 hearing thresholds improved from 42.6 ± 11 with Baha 5 Power to 34.8 ± 13.3 with Baha 5 SuperPower and to 25.4 ± 3.5 with the Osia at 12 months, leading to a significant functional gain of 17.2 ± 10.9 dB vs Baha 5 (p < 0.02). Speech understanding in both quiet and noise was clinically improved reaching a mean SNR of less than 1 dB at 12 months with the Osia system. Quality of life outcomes improved by more than 20% at 12-month follow-up.
conclusionAided hearing thresholds and speech understanding in noise improved when patients were converted from the Baha Attract system to the Osia system. The aided hearing threshold was maintained up to 8 kHz (26 dB) with the Osia system.
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