Spinal epidural arteriovenous fistula (SEDAVF)

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Spinal epidural arteriovenous fistula (SEDAVF). They are more frequent in the lumbar and sacral spine than spinal DAVFs.

Pathology

  • They are more frequent in the lumbar and sacral spine than spinal DAVFs
  • They are more likely to affect the most caudal parts of the lumbar spine than sDAVFs
  • They are located more laterally in the cervical and thoracic segments

Clinical features

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Imaging features

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Treatment

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References

  1. Brinjikji W, Colombo E, Cloft HJ, Lanzino G. Clinical and imaging characteristics of spinal dural arteriovenous fistulas and spinal epidural arteriovenous fistulas. Neurosurgery 2021; 88:666-673.
  2. Mull M, Othman A, Dafotakis M, Hans FJ, Schubert GA, Jablawi F. Spinal epidural arteriovenous fistula with perimedullary venous reflux: clinical and neuroradiologic features of an underestimated vascular disorder. AJNR Am J Neuroradiol 2018; 39:2095-2102. 
  3. Brinjikji W, Yin R, Nasr DM, Lanzino G. Spinal epidural arteriovenous fistulas. J Neurointerv Surg 2016; 8:1305-1310.
  4. Nasr DM, Brinjikji W, Clarke MJ, Lanzino G. Clinical presentation and treatment outcomes of spinal epidural arteriovenous fistulas. J Neurosurg Spine 2017; 26:613-620.
  5. Byun JS, Tsang ACO, Hilditch CA, et al. Presentation and outcomes of patients with thoracic and lumbosacral spinal epidural arteriovenous fistulas: a systematic review and meta-analysis. J Neurointerv Surg 2019; 11:95-98. 
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