T-方式半植込み型人工中耳の臨床成績

概要

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Clinical studies were conducted on the partially implantable middle ear implant (MEI)or implantable hearing aid. In 23 out of 30 MEI-implanted ears the hearing level was improved by more than 20 dB. Twenty three implanted patients were utilizing the MEI, and the benefit of MEI was 1) no need of ear plugs,2) no acoustic feedback,3) quality sound transmission because of direct coupling, and 4) hearing improvement by MEI was better than conventional hearing aids especially in 4000 Hz. MEI was considered safe from the follow-up in these 30 cases since implantation, which revealed no complications such as elevation of bone conduction thresholds, vertigo, and acute inflammation. We recommend the middle ear implant or implantable hearing aid, under study, as a useful approach to a certain group of mixed hearing loss.
耳鼻咽喉科臨床学会の論文