• Zach Folzenlogen, Joshua Seinfeld, Sheila Kubes, David Kumpe, David Case, and Christopher Roark.
• Department of Neurosurgery, University of Colorado, Aurora, Colorado, USA. Electronic address: Zach.folzenlogen@ucdenver.edu.
• World Neurosurg. 2019 Jul 1; 127: e149-e154.

BackgroundWide-necked intracranial aneurysms present unique treatment challenges in the setting of subarachnoid hemorrhage. New generations of endoluminal devices (stents) have expanded our ability to treat complex aneurysms. The PulseRider Aneurysm Neck Reconstruction Device (PulseRider [Cerenovus, Irvine, California, USA]) is new to the U.S. market after receiving Food and Drug Administration approval in June 2017. Official recommendation for use of the PulseRider is with dual antiplatelet therapy (DAPT). Its design has been hypothesized to carry a lower risk of thromboembolic complications in the circumstance that DAPT needs to be discontinued.MethodsBetween March and June 2018, we treated 4 cases of ruptured wide-necked basilar tip aneurysms at the University of Colorado Hospital, Aurora, Colorado, with PulseRider-assisted coil embolization. Imaging and chart reviews were performed retrospectively on each of these patients.ResultsAll 4 aneurysms were successfully treated with PulseRider-assisted coil embolization. There were no periprocedural hemorrhages and no postprocedural reruptures. Two patients developed nonocclusive thrombi in the posterior cerebral arteries at the time of coiling, which was resolved with intra-arterial glycoprotein IIb/IIIa receptor antagonists. Two patients developed external ventricular drain-associated hemorrhages, only one of which developed after the administration of DAPT. All patients were eventually discharged to home.ConclusionsThe PulseRider device represents a novel design for stent-assisted coil embolization. We report a small but promising series of its successful use in the acute treatment of wide-necked, ruptured basilar artery aneurysms. Additional experience is needed to determine if this device has a place in our armamentarium for treatment of ruptured aneurysms.Copyright © 2019 Elsevier Inc. All rights reserved.

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