• Frédéric Clarençon, Guillaume Pérot, Alessandra Biondi, Federico Di Maria, Zoltan Szatmary, Jacques Chiras, and Nader Sourour.
• Department of Neuroradiology, Pitié-Salpêtrière Hospital, Paris VI University, Paris, France.
• Neurosurgery. 2012 Mar 1;70(1 Suppl Operative):170-3; discussion 173.

Background And ImportanceTo present the feasibility of using the Ascent balloon, a new double-lumen remodeling balloon, for a new 2-in-1 technique allowing coiling through the lumen of the balloon without the use of an additional coiling microcatheter. Remodeling technique had enlarged the indications for endovascular treatment of intracranial aneurysm. Nevertheless, one of the limitations of this technique is that it requires using 2 devices in the same parent artery.Clinical PresentationA 55-year-old woman presented with a 7.7 × 4.5-mm incidental anterior communicating artery aneurysm. Only 1 A1 segment (left side) was patent on the cerebral angiogram. A 6F Fargo Max guiding catheter was positioned in the left petrous internal carotid artery. The Ascent balloon was placed in front of the neck of the aneurysm after navigation on a Traxcess 0.014-in guidewire. Coiling of the aneurysm sac was performed via 1 lumen of the device under iterative inflations of the balloon through the second lumen.ConclusionThis new 2-in-1 technique using a sole remodeling balloon without an additional coiling microcatheter is very promising, especially in cases of a small-caliber parent artery.

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