Who are good adult candidates for cartilage conduction hearing aids?

Purpose Cartilage conduction hearing aids (CC-HAs) are novel hearing aids using the third hearing pathway of cartilage conduction. We assessed the efficacy of CC-HAs in adult hearing-loss patients who had various anatomical conditions of their ear canal(s) and determined who are good candidates for...

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Bibliographic Details
Published in:European archives of oto-rhino-laryngology 2021-06, Vol.278 (6), p.1789-1798
Main Authors: Nishiyama, Takanori, Oishi, Naoki, Ogawa, Kaoru
Format: Article
Language:English
Subjects:
Adult
Auditory Threshold
Bone Conduction
Cartilage
Head and Neck Surgery
Hearing
Hearing Aids
Hearing Loss, Conductive - diagnosis
Humans
Medicine
Medicine & Public Health
Neurosurgery
Otology
Otorhinolaryngology
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Summary:Purpose Cartilage conduction hearing aids (CC-HAs) are novel hearing aids using the third hearing pathway of cartilage conduction. We assessed the efficacy of CC-HAs in adult hearing-loss patients who had various anatomical conditions of their ear canal(s) and determined who are good candidates for CC-HAs. Methods Patients ( n  = 37) were categorised into three groups of participants based on ear canal anatomy: (1) canal stenosis; (2) abnormal canal; (3) normal canal. After a 1-month free trial of normal usage, CC-HA-aided and unaided hearing thresholds (43 fitted ears) were determined using standard audiograms, after which participants could choose to purchase the device or not. Group and subgroup purchase rates were calculated along with the purchase reason (or not). Subgroup binary analysis of purchase rates was done according to hearing loss severity (
ISSN:0937-4477
1434-4726
DOI:10.1007/s00405-020-06255-6