良性発作性頭位めまい症 : 臨床疫学と病態生理 Benign Paroxysmal Positional Vertigo : Clinical Epidemiology Pathophysiology

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Benign paroxysmal positional vertigo (BPPV) is the most common type of vertigo due to peripheral vestibular lesion. BPPV is classified according to different canal's origin: posterior canal BPPV, anterior canal BPPV and horizontal canal BPPV. In most cases with posterior canal BPPV, canalolithiasis that is free-floating otolith is to cause the syndrome. The movement of canalolithiasis by changes in position of the head induces endolymphatic flow in the posterior canal, resulting in the accompanying nystagmus. The rotation axis of the nystagmus is perpendicular to the affected posterior canal. The canalith repositioning procedure is recommended for the treatment of BPPV. The purpose of this procedure is to relocate free-floating otolith from the posterior canal into the vestibule of the vestibular labyrinth. Horizontal BPPV is induced by lateral movement of the head. The direction-changing horizontal geotropic nystagmus is caused by canalolithiasis of the horizontal canal and the direction-changing horizontal ageotropic nystagmus is caused by cupulolithiasis. Anterior canal BPPV is rare. Because an imbalance in the function of the utriculi in patients with BPPV, otolith detached form the utricular macula is suggested to be a sauce of canalolithiasis and cupulolithiasis.

収録刊行物

  • 耳鼻咽喉科臨床

    耳鼻咽喉科臨床 94(9), 763-776, 2001-09-01

    The Society of Practical Otolaryngology

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各種コード

  • NII論文ID(NAID)
    10008097437
  • NII書誌ID(NCID)
    AN00107089
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00326313
  • NDL 記事登録ID
    5899631
  • NDL 雑誌分類
    ZS43(科学技術--医学--耳鼻咽喉科学)
  • NDL 請求記号
    Z19-421
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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