Complications of sigmoid sinus transvenous occlusion for the endovascular treatment of dural arteriovenous shunts with emphasis on inner ear dysfunction

Highlights • Sigmoid sinus sacrifice is an effective treatment for dural arteriovenous shunts • Transvenous occlusion of sigmoid sinus is a relatively safe procedure under the conditions applied for all vessel therapeutic occlusions • Inner ear dysfunction or damage is a specific and probably underreported complication of the procedure • The exact pathomechanism of this complication is unclear