タッピング法による頸筋電位 : クリック音による前庭性頸筋電位との比較検討 Vestibular Evoked Myogenic Potentials by Tapping the Head and by Clicks

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Vestibular evoked myogenic potentials (VEMP) by tapping the head and by clicks were studied in 6 normal subjects (4 males and 2 females, age : 26 to 38 years old) and 11 patients with cochleo-vestibular disorders (4 males and 7 females, age : 22 to 66 years old). Diagnoses were acoustic neuroma in 5 patients, vestibular neuronitis in 2 patients, low tone sensorineural hearing loss in 2 patients, Meniere's disease in one patient and sensorineural hearing loss in one patient. All of the normal subjects had biphasic responses (p13-n23) to tapping the head as well as to clicks. We evaluated VEMPs in patients with cochleo-vestibular disorders with reference to the presence of p13-n23, amplitude ratio of p13-n23, and interaural latency differences of p13 and n23. In patients with cochleo-vestibular disorders, VEMPs by clicks were absent in 7 patients, decreased in amplitude in 2 patients and normal in 2 patients. VEMPs by tapping were absent in 3 patients, prolonged in latency of p13 in 5 patients and normal in 3 patients. Concerning differentiation of normal VEMPs from abnormal VEMPs, 10 of 11 patients showed the same VEMPs by tapping as by clicks. As long as interaural latency differences are included as parameters of evaluation, VEMP by tapping is a useful substitution for VEMP by clicks.

収録刊行物

  • Equilibrium research

    Equilibrium research 57(3), 335-340, 1998-06-01

    Japan Society for Equilibrium Research

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各種コード

  • NII論文ID(NAID)
    10008711182
  • NII書誌ID(NCID)
    AN00001485
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03855716
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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