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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 28:651-655, April 2007
© 2007 American Society of Neuroradiology

INTERVENTIONAL

Dural Arteriovenous Fistulas with Cortical Venous Drainage: Incidence, Clinical Presentation, and Treatment

W.J. van Rooij^a, M. Sluzewski^a and G.N. Beute^b

^a Department of Radiology, St. Elisabeth Ziekenhuis, Tilburg, the Netherlands
^b Department of Neurosurgery, St. Elisabeth Ziekenhuis, Tilburg, the Netherlands

Please address correspondence to W.J. van Rooij, MD, PhD, Department of Radiology, St. Elisabeth Ziekenhuis, Tilburg, the Netherlands; e-mail: radiol{at}knmg.nl

BACKGROUND AND PURPOSE: Our purpose was to report our experience with intracranial dural arteriovenous fistulas (DAVFs) with cortical venous drainage during a 12-year period.

PATIENTS AND METHODS: Between January 1994 and January 2006, 91 patients with intracranial DAVFs presented at our institution, and 29 (32%) had cortical venous drainage. There were 5 women and 24 men (mean age, 53.9 years; range, 24–77). Clinical presentation was intraparenchymal or subarachnoid hemorrhage in 18 patients (62%), seizures in 4 patients (14%), visual symptoms in 2 patients (7%), pulsatile bruit in 1 patient (3%), and the DAVF (14%) was incidentally discovered in 4 patients.

RESULTS: In 2 patients, the DAVF had been obliterated spontaneously at the time of scheduled embolization 10 and 2 months after hemorrhage, respectively. Five patients with an anterior fossa DAVF underwent successful surgery. In 14 patients, the DAVF was completely occluded with embolization alone, and in 7 patients, embolization was followed by surgery. Altogether, complete occlusion was angiographically confirmed in 28 of 29 DAVFs; the result of radiosurgery of 1 DAVF is pending. There were no complications of surgery; embolization was complicated by postembolization hemorrhage in 1 patient (3%).

CONCLUSION: Most DAVFs with cortical venous drainage have an aggressive clinical course. Treatment by a neurovascular team by using surgery, embolization, or a combination resulted in cure in all cases, with a very low complication rate.

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