20-Year Single-Center Experience with Endovascular and Surgical Management of Isolated Sinus Dural AVFs

In a 20-year series of 35 patients with isolated sinus dural AVFs, transarterial embolization achieved immediate occlusion in 74% and transvenous in 80%; 5 (14%) required retreatment, major complications in 7%. No residual fistula at last follow-up.

• Of all intracranial DAVFs treated, 8% had an isolated sinus morphology, underscoring its rarity.
• Final single-session occlusion rates after spontaneous thrombosis were 78% for transarterial embolization and 90% for transvenous embolization.

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