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Supratentorial Dural Arteriovenous Fistulas

Last Updated: September 28, 2018

Challenging Ethmoidal dAVF:  Strategies for Clip Ligation

For general information, operative indications, and preoperative considerations, please refer to the chapter on the Principles of Dural Arteriovenous Fistula Surgery

Certain dural arteriovenous fistulas (dAVFs) do not furnish reasonable transarterial or transvenous access routes and are suited for microsurgery. Examples of these operative fistulas are ethmoidal, or anterior fossa, and superior petrosal sinus, or tentorial fistulas.  These fistulas almost always harbor cortical venous drainage since they are not related to a dominant venous sinus.

Diagnosis and Evaluation

Intracranial hemorrhage remains the most common presenting symptom of these fistulas. Hemorrhagic presentations include intracerebral, subarachnoid, or subd...