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Abstract

Objective

Hemorrhage during embolization of dural arteriovenous fistula (DAVF) is a rare but devastating complication. This study was undertaken to analyze the causes of hemorrhage and avoid complication.

Methods

The clinical data of a case of DAVF with hemorrhagic complication were retrospectively collected and analyzed.

Results

The patient in this case presented with DAVF and two de novo aneurysms of a feeder artery after the first embolization. One de novo aneurysm ruptured during the second embolization of the DAVF because of hemodynamic change. Computed tomography showed a subdural hematoma, and surgical exploration was emergently performed. However, the patient died at postoperative day 10.

Conclusions

De novo aneurysm of a feeder artery may form after embolization of DAVF because of hemodynamic change. It has a high risk of rupture and should be a primary consideration in embolization of DAVF.

Keywords

Dural arteriovenous fistula endovascular Onyx de novo aneurysm hemorrhage

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De novo aneurysm formation of a feeder artery after embolization of a dural arteriovenous fistula and rupture during second embolization

Abstract

Objective

Methods

Results

Conclusions

Keywords

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References