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Related Experiment Video

Updated: Mar 22, 2026

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
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Spinal arteriovenous malformations: Is surgery indicated?

Bikramjit Singh1, Sanjay Behari1, Awadhesh K Jaiswal1

  • 1Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.

Asian Journal of Neurosurgery
|April 9, 2016
PubMed
Summary
This summary is machine-generated.

This study differentiates spinal arteriovenous malformations (AVMs) into four types, revealing distinct clinico-radiological features. Surgical intervention is highlighted as a crucial adjunct or alternative to embolization for effective AVM management.

Keywords:
Arteriovenous fistulaclassificationembolizationradiologyspinal arteriovenous malformationsurgery

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Area of Science:

  • Neurosurgery
  • Vascular Neurology
  • Radiology

Background:

  • Spinal arteriovenous malformations (AVMs) are complex vascular lesions requiring precise classification for effective treatment.
  • Understanding the clinico-radiological characteristics of different AVM types is essential for guiding therapeutic strategies.

Purpose of the Study:

  • To identify clinico-radiological distinguishing features across various spinal AVM types.
  • To define the role and efficacy of surgical intervention in managing spinal AVMs.

Main Methods:

  • Utilized Hero's modified Di Chiro classification to categorize 74 spinal AVM patients into four types based on digital subtraction angiography (DSA).
  • Analyzed demographic profiles, DSA features, and reasons for surgical referral.
  • Employed Chi-square tests and one-way ANOVA with Boneferoni post hoc comparison for statistical analysis of discrete and continuous variables.

Main Results:

  • Type I AVMs were observed in a significantly older population (P = 0.01) with predominant thoracic cord involvement.
  • Staged embolization was significant for Type III AVMs (P < 0.01).
  • Complete AVM obliteration was achieved in 26 patients, with neurological improvement in 26 and stabilization in 25.

Conclusions:

  • Classification of spinal AVMs into Types I-IV significantly impacts management decisions.
  • Surgical intervention is a valuable adjunct or alternative to therapeutic embolization for spinal AVMs.