Vestibular Evoked Myogenic Potential among Dizzy Patients.

DOI 9 Citations 15 References
  • Shojiku Hideo
    Department of Otolaryngology, Toyama Medical and Pharmaceutical University
  • Nagasaki Masao
    Department of Otolaryngology, Toyama Medical and Pharmaceutical University
  • Yasumura Satsuki
    Department of Otolaryngology, Toyama Medical and Pharmaceutical University
  • Zhang Rui Li
    Department of Otolaryngology, Toyama Medical and Pharmaceutical University
  • Akaogi Katsuichi
    Department of Otolaryngology, Toyama Medical and Pharmaceutical University
  • Ito Muneharu
    Department of Otolaryngology, Toyama Medical and Pharmaceutical University
  • Watanabe Yukio
    Department of Otolaryngology, Toyama Medical and Pharmaceutical University

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Other Title
  • 音刺激によるヒト前庭性誘発筋原性反応　温度眼振反応との解離例に関する検討
  • 温度眼振反応との解離例に関する検討

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Abstract

Click-evoked myogenic potential of cervical muscle to intense clicks shows a characteristic short-latency positivity-negativity, and it is thought to be due to vestibulo-collic reflex. In this study, in order to evaluate the origin, myogenic potential and caloric response were compared among 4 dizzy patients.<BR>In the first two case (right delayed endolymphatic hydrops and right acoustic tumor), the myogenic potential to the click of affected ear was normal, while caloric testing revealed a high CP % (71% and 53%). In the remaining two cases (right Meniere's disease and left acoustic tumor), myogenic response was abnormal compared with low CP % (21% and 29%).<BR>These discrepancies between myogenic potential and caloric response suggest that click-evoked short-latency myogenic potential may be dependent on lateral semicircular canal function.

Journal

  • Equilibrium Research

    Equilibrium Research 56 (4), 354-359, 1997

    Japan Society for Equilibrium Research

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