Onyx embolization for salvage hemostasis after intraoperative rupture.

Video 1 shows three cases of intraoperative rupture during aneurysm coiling. Management of intraoperative aneurysm rupture is reviewed in brief, including reversal of anticoagulation/antiplatelets, intracranial pressure control, and rapid balloon deployment for control across the aneurysm neck. However, in all three cases, contrast extravasation continues despite aneurysm coiling, reversal of anticoagulation, and maximizing medical management.