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Master Thesis

Implant d’oreille moyenne Vibrant Soundbridge : résultats dans la réhabilitation de la surdité neurosensorielle après 10 années d’utilisation

Abstract : The objective of the study was to evaluate long-term safety, audiometric and subjective outcomes 10 years after implantation of a middle ear Vibrant SoundBridge (VSB, Vibrant MED-EL, Innsbruck, Austria). Forty-seven patients with sensorineural hearing loss (SNHL) were implanted between December 1997 and December 2005 in our tertiary university hospital. They were assessed with audiologic measurements and subjective evaluation with self-assessment scales. Almost 30 % of patients were still using their VSB 10 years after implantation. The two main reasons to leaving off the use of the VSB were poor benefit (40%) and cost of a new processor (30%). Pure-tone hearing thresholds, functional gain, and speech discrimination in silence evaluated three months post-surgery and 120 months post-surgery were compared. Abbreviated Profile of Hearing Aid Benefit (APHAB) and Glasgow Benefit Inventory (GBI) questionnaires were filled two years and ten years post-surgery. The implanted ear and the contralateral ear presented similar hearing loss levels after 10 years of use. The mean functional gain was stable over time with a mean score of 18 dB three months postsurgery and 24.5 dB ten years after the implantation. Speech discrimination decreased over time with a score of 91.5 % (SD=17.5%) and 71.5% (SD=31.9%) of words recognition at 60 dB SPL, respectively three months and 120 months postsurgery. Satisfaction of the patients was constant over time with a mean total GBI score of 17.1 two years postoperatively and 19.7 10 years postoperatively. These results confirm that the VSB is safe and still provided a benefit in terms of audiologic results and quality of life after ten years of use.
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Master Thesis
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Submitted on : Monday, August 29, 2016 - 9:19:31 AM
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  • HAL Id : dumas-01357040, version 1

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Alexandra Bertolo. Implant d’oreille moyenne Vibrant Soundbridge : résultats dans la réhabilitation de la surdité neurosensorielle après 10 années d’utilisation. Médecine humaine et pathologie. 2016. ⟨dumas-01357040⟩

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