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Risk factors for dural arteriovenous fistula intracranial hemorrhage

Tangming Peng1, Aihua Liu1, Jianwen Jia1

  • 1Department of Interventional Neuroradiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Tiantan Xili 6, Dongcheng District, Beijing 100050, China.

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia
|December 3, 2013
PubMed

Insights

The venous drainage pattern, especially cortical venous drainage, is a significant predictor of intracranial hemorrhage in patients with dural arteriovenous fistulas (DAVF). Other factors like sex and location may be confounding.

Area of Science:

  • Neurology
  • Neurosurgery
  • Vascular Neurology

Background:

  • Dural arteriovenous fistulas (DAVF) are complex vascular malformations with a low incidence.
  • Risk factors for intracranial hemorrhage (ICH) in DAVF are not well-established due to anatomical complexity and rarity.

Purpose of the Study:

  • To systematically investigate factors predicting intracranial hemorrhage in patients with DAVF.
  • To identify specific anatomical or demographic features associated with hemorrhage risk in DAVF.

Main Methods:

  • Retrospective analysis of a 10-year database of 144 consecutive DAVF patients.
  • Collected data included demographics, DAVF morphology, flow rate, arterial supply, location, and venous drainage.
  • Linear univariate and multivariate logistic regression analyses were employed.

Main Results:

  • Univariate analysis identified sex, lesion location, and venous drainage pattern as significant predictors of ICH (p<0.05).
  • Multivariate analysis confirmed venous drainage pattern as the sole statistically significant predictor of ICH (p<0.05).
  • Cortical venous drainage was specifically highlighted as a significant risk factor.

Conclusions:

  • Venous drainage pattern, particularly cortical venous drainage, is a key predictor of intracranial hemorrhage in DAVF.
  • Sex and lesion location may act as confounding factors, not direct predictors.
  • Understanding venous drainage is crucial for assessing hemorrhage risk in DAVF.

Keywords:
Dural arteriovenous fistulaHemorrhage riskIntracranial hemorrhageRisk factors

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