A case of Moyamoya disease with cerebral ischemic attack induced by standing position verified by the alteration of regional saturation of oxygen measured by near-infrared spectroscopy

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  • Saso Kanako
    Department of Neurosurgery, Yamagata University Faculty of Medicine
  • Kokubo Yasuaki
    Department of Neurosurgery, Yamagata University Faculty of Medicine
  • Itagaki Hiroshi
    Department of Neurosurgery, Yamagata University Faculty of Medicine
  • Sato Shinji
    Department of Neurosurgery, Yamagata University Faculty of Medicine
  • Yamada Yuki
    Department of Neurosurgery, Yamagata University Faculty of Medicine
  • Sato Shinya
    Department of Neurosurgery, Yamagata University Faculty of Medicine
  • Sonoda Yukihiko
    Department of Neurosurgery, Yamagata University Faculty of Medicine

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  • 血行再建術で消失した立位誘発脳虚血発作がnear-infrared spectroscopy による脳組織酸素飽和度の変化で証明されたモヤモヤ病の1 例

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Abstract

<p>Regional cerebral oxygen saturation (rSO2) with the evaluation by near-infrared spectroscopy (NIRS) is noninvasive and easy to measure. This rSO2 might be good for monitoring cerebral blood flow, especially in patients suffering from ischemic cerebrovascular disease. We experienced a case of Moyamoya disease, who is a 17-year-old female suffered from transient right motor weakness. At first, she underwent superficial temporal artery to middle cerebral artery (STA-MCA) bypass with encephalo-myo-synangiosis (EMS) at the left side. Two months later, she suffered from transient left motor weakness induced by standing position. We measured rSO2 by using NIRS with the probe on the forehead during the alteration of the position. The rSO2 of the right side fell down 8% following the change of position from laying down to standing position. After we performed STA-MCA bypass with EMS at the right side, the rSO2 of the right side was stable during the alteration of the position. The change of rSO2 by head up or orthostatic induction could be useful not only for the screening of cerebral blood flow but also the bed rest level and blood-pressure management in patients with acute ischemic cerebrovascular disease.</p>

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