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Related Experiment Video

Updated: Jun 25, 2026

Technical Aspects of the Mouse Aortocaval Fistula
06:12

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Published on: July 11, 2013

Spinal dural arteriovenous fistulas.

T Krings1, S Geibprasert

  • 1Division of Neuroradiology, Department of Medical Imaging, University of Toronto, Toronto Western Hospital and Hospital for Sick Children, Toronto, Ontario, Canada. timo.krings@uhn.on.ca

AJNR. American Journal of Neuroradiology
|February 14, 2009
PubMed
Summary

Spinal dural arteriovenous fistulas, a common spinal cord vascular issue, cause progressive paralysis. Treatment involves closing the shunt, which halts disease progression and often improves symptoms.

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Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique
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Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique
07:30

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique

Published on: April 1, 2022

Area of Science:

  • Neurology
  • Vascular Malformations
  • Neurosurgery

Background:

  • Spinal dural arteriovenous fistulas are the most common vascular malformations of the spinal cord.
  • They typically affect elderly men, presenting with progressive myelopathy due to increased spinal venous pressure.
  • The arteriovenous shunt is located within the dura mater, near a spinal nerve root.

Purpose of the Study:

  • To summarize the characteristics, diagnosis, and treatment of spinal dural arteriovenous fistulas.
  • To highlight the importance of timely intervention for managing progressive neurological deficits.

Main Methods:

  • Review of clinical presentations, diagnostic imaging (MRI), and therapeutic approaches.
  • Discussion of superselective embolization and neurosurgical techniques for fistula occlusion.

Main Results:

  • Characteristic MR imaging findings include cord edema, perimedullary dilated vessels, and cord enhancement.
  • Successful occlusion of the fistula stops disease progression.
  • Patients typically experience symptom improvement after treatment.

Conclusions:

  • Spinal dural arteriovenous fistulas are treatable causes of progressive paralysis.
  • Effective treatment involves targeted occlusion of the shunting zone.
  • Intervention can lead to neurological recovery and improved patient outcomes.