2010•Journal of the Japan Veterinary Medical AssociationOpen access

Evaluation of Brainstem Auditory Evoked Response (BAER) in Dogs with Middle/Inner Ear Diseases

Toru OSAMURA, Miyoko SAITO and, Kazuhiko Namikawa, Hideharu Ochiai

Abstract

中／内耳障害を疑った5頭の犬に聴性脳幹誘発反応（BAER）検査を行った．伝音難聴や内耳性感音難聴，後迷路性難聴に一致する所見が得られ，各種臨床所見と合わせてそれぞれ中耳炎，内耳炎，脳幹障害の併発を特定することができた．本検査は軽度鎮静下あるいは覚醒下で実施可能であるため，麻酔が困難な症例や，治療評価のための繰り返しの検査が必要な症例に大変有用であった．聴覚経路の異常を疑う犬において，BAER検査は難聴の診断のみならず中／内耳疾患の診断補助や治療の指標として有用性が高いことが示唆された.

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Key concepts: Auditory brainstem response, Brainstem, Inner ear, Audiology, Medicine, Middle ear, Auditory pathways, Anatomy