Ear necrosis resulting from the endovascular onyx-18 embolization of a dural arteriovenous fistula fed by the posterior auricular artery
- PMID: 19021839
- DOI: 10.1111/j.1552-6569.2008.00291.x
Ear necrosis resulting from the endovascular onyx-18 embolization of a dural arteriovenous fistula fed by the posterior auricular artery
Abstract
Background and purpose: The treatment of a dural arteriovenous fistula (DAVF) can involve surgery, radiosurgery, or endovascular embolization. New embolization techniques and agents have expanded the role of endovascular treatment.
Methods: We report the endovascular embolization with Onyx-18 of a DAVF fed by the posterior auricular artery.
Results: The DAVF was successfully embolized; however, the patient's ear developed ischemic necrosis of the superolateral pinna.
Conclusions: Onyx-18 can provide high rates of success in the treatment of DAVFs in well-selected patients. Risks of end organ ischemia must be considered during endovascular embolization and when counseling patients regarding procedural risk.
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