Active transcutaneous bone conduction implant: audiological results in paediatric patients with bilateral microtia associated with external auditory canal atresia
Date
2017
Type:
Artículo
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8
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Publisher
Taylor & Francis Online
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Abstract
OBJECTIVE: To describe, in terms of functional gain and word recognition, the audiological results
of patients under 18 years of age implanted with the active bone conduction implant, Bonebridge™.
DESIGN: Retrospective case studies conducted by reviewing the medical records of patients
receiving implants between 2014 and 2016 in the public health sector in Chile.
STUDY SAMPLE: All patients implanted with the Bonebridge were included (N = 15). Individuals who
had bilateral conductive hearing loss, secondary to external ear malformations, were considered as
candidates.
RESULTS: The average hearing threshold one month after switch on was 25.2 dB (95%CI 23.5-26.9).
Hearing thresholds between 0.5 and 4 kHz were better when compared with bone conduction
hearing aids. Best performance was observed at 4 kHz, where improvements to hearing were
observed throughout the adaptation process. There was evidence of a significant increase in the
recognition of monosyllables.
CONCLUSIONS: The Bonebridge implant showed improvements to hearing thresholds and word
recognition in paediatric patients with congenital conductive hearing loss.
Description
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Citation
Int J Audiol. 2017 Aug 31:1-8
Keywords
Implantable hearing aids, Behavioural measures, Hearing aids, Paediatrics, Pathology, Speech perception