Interpretation from the View Point of Vascular Anatomy

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  • KIYOSUE Hiro
    Department of Radiology, Oita University Hospital
  • IDE Satomi
    Department of Radiology, Oita University Hospital
  • UCHIDA Shin
    Faculty of Medicine, Department of Neurosurgery, Oita University
  • KUBO Takeshi
    Faculty of Medicine, Department of Neurosurgery, Oita University

Bibliographic Information

Other Title
  • 血管解剖の視点から病態を診る
  • ケッカン カイボウ ノ シテン カラ ビョウタイ オ ミル

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Abstract

<p>Dural arteriovenous fistula is an acquired vascular shunt. It is well known due to its relatively high occurrence in clinical practice, and its frequency is treated by endovascular techniques. However, several points including its etiology and pathophysiology have not been clarified yet. In this paper, we discuss the dural arteriovenous fistula from the view point of the vascular anatomy and angioarchitecture. Based upon comparative vascular anatomy between spinal and cerebral area, spinal dural arteriovenous fistula is corresponded to the non-sinusal type intracranial dural arteriovenous fistula which does not drain into the dural sinuses. Spinal epidural arteriovenous fistula is corresponded to the sinusal type of intracranial dural arteriovenous fistula which directly drains into the dural sinuses. The former forms the arteriovenous shunt in the dura matter and drains into the bridging vein. The latter frequently forms the arteriovenous shunt in the bone as well as dura matter and drains into the dural sinus or epidural venous plexus. Variation of the cerebral and spinal veins are associated with the hemodynamic status and symptoms in each cases of dural arteriovenous fistula, and furthermore it is potentially associated with the development of the dural arteriovenous fistula.</p>

Journal

  • No Kekkannai Chiryo

    No Kekkannai Chiryo 5 (1), 6-18, 2020

    The Japanese Society for Neuroendovascular Therapy

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