Effect of Prone Position on Apnea Severity in Obstructive Sleep Apnea.

  • MATSUZAWA Yukinori
    the First Department of Internal Medicine, Shinshu University School of Medicine
  • HAYASHI Shinichiro
    the First Department of Internal Medicine, Shinshu University School of Medicine
  • YAMAGUCHI Shinji
    the First Department of Internal Medicine, Shinshu University School of Medicine
  • YOSHIKAWA Sawako
    the First Department of Internal Medicine, Shinshu University School of Medicine
  • OKADA Kazuyoshi
    the First Department of Internal Medicine, Shinshu University School of Medicine
  • FUJIMOTO Keisaku
    the First Department of Internal Medicine, Shinshu University School of Medicine
  • SEKIGUCHI Morie
    the First Department of Internal Medicine, Shinshu University School of Medicine

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抄録

We describe a patient with obstructive sleep apnea (OSA) whose apnea-hypopnea index (AHI) improved remarkably in the prone position accompanied by an improved sleep quality, despite a higher AHI in the supine position and even in the lateral position. Magnetic resonance imaging revealed the most dilated upper airway in the prone position, which suggests the role of anatomical narrowing of the upper airway as an important component in the pathophysiology of positional apnea patients. Further studies are needed to determine the therapeutic efficacy of a prone sleeping position in patients with OSA.<br>(Internal Medicine 34: 1190-1193, 1995)

収録刊行物

  • Internal Medicine

    Internal Medicine 34 (12), 1190-1193, 1995

    一般社団法人 日本内科学会

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