Multicenter clinical study of bone-anchored hearing aids in Japan-Application for congenital auricular atresia

Kunihiro Fukushima, Shin Kariya, Rie Nagayasu, Satoshi Fukuda, Toshimitsu Kobayashi, Ken Kitamura, Kozo Kumakawa, Shinichi Usami, Satoshi Iwasaki, Katsumi Doi, Kiyofumi Gyo, Tetsuya Tono, Kazunori Nishizaki

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1 Citation (Scopus)


The effectiveness of bone anchored hearing aid (BAHA) for the patients with congenital aural atresia was evaluated by multicenter clinical study in Japan. Twenty patients (17 bilateral and 3 hemilateral) of congenital auricular atresia were registered for this study and finally, 18 of them (15 bilateral and 3 unilateral) were subjected to further evaluation. Primary endpoint of this study was free sound-field pure-tone audiometry and speech threshold hearing test in quiet and noisy circumstances. Secondary endpoint of this study was patient's satisfaction based upon APHAB (Abbreviated Profile of Hearing Aid Benefit) questionnaire survey. These results were compared between before and 12 weeks after BAHA surgery. Both hearing level of pure tone and speech threshold significantly improved after BAHA surgery. APHAB scores also suggested the improvement of the QOL after BAHA usage, except for the scores that concerned with unpleasantness of noisy sound. BAHA is one of the useful options for the treatment of congenital auricular atresia.

Original languageEnglish
Pages (from-to)761-767
Number of pages7
JournalJournal of Otolaryngology of Japan
Issue number9
Publication statusPublished - Sep 2011


  • Aural atresia
  • Before-after trial
  • Bone anchored hearing aid

ASJC Scopus subject areas

  • Otorhinolaryngology


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