Magnetic Resonance Imaging in Patients with Vertebro-Basilar Insufficiency.

DOI 1 Citations 17 References
  • Miura Makoto
    Department of Hearing and Speech Science, Kyoto University Graduate School of Medicine
  • Naito Yasushi
    Department of Hearing and Speech Science, Kyoto University Graduate School of Medicine
  • Naito Eri
    Department of Hearing and Speech Science, Kyoto University Graduate School of Medicine
  • Honjo Iwao
    Department of Hearing and Speech Science, Kyoto University Graduate School of Medicine

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  • 椎骨脳底動脈循環不全のＭＲＩ所見

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Abstract

To evaluate the usefulness of Magnetic Resonance Imaging (MRI) in the diagnosis of vertebro-basilar insufficiency (VBI), 32 patients with vertigo or dizziness who were suspected of having VBI and 19 patients with Bell's palsy (as control) were examined by MRI. Seventy-two percent of the VBI group and 16% of the control group showed asymmetry or bilateral narrowing of caliber of vertebral artery, the rate being significantly higher in the VBI group. Thirty-eight percent of the VBI group and 11 % of the control group demonstrated lacunar infarction in the brain stem and 69% of the VBI group and 32% of the control group demonstrated lacunar infarction in the basal ganglion, the rate being significantly higher in the VBI group. These MRI findings may contribute to the diagnosis of VBI.

Journal

  • Equilibrium Research

    Equilibrium Research 55 (1), 58-63, 1996

    Japan Society for Equilibrium Research

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