• Neurosurgery · Jan 2019

    NeuroForm Atlas Stent-Assisted Coiling: Preliminary Results.

    • Michelle F M Ten Brinck, Joost de Vries, Bartels Ronald H M A RHMA Department of Neurosurgery, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands., J André Grotenhuis, and Hieronymus D Boogaarts.
    • Department of Neurosurgery, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.
    • Neurosurgery. 2019 Jan 1; 84 (1): 179-189.

    BackgroundStent-assisted coiling (SAC) is increasingly being performed as intervention for wide-neck intracranial aneurysms. The NeuroForm Atlas Stent (CE-marked; Stryker, Kalamazoo, Michigan) is relatively new.ObjectiveTo evaluate the effectiveness and safety of NeuroForm Atlas SAC for intracranial aneurysms in the first such study.MethodsWe retrospectively analyzed data from all patients treated with the NeuroForm Atlas SAC of an intracranial aneurysm, both ruptured and unruptured, between June 2015 and December 2016. Primary end-points were favorable clinical outcomes (modified Rankin scale score 0-2) and successful aneurysm occlusion (Raymond-Roy class I/II), both at 6-mo follow-up. Secondary end-points were the occurrence of intervention-related complications leading to permanent neurological deficit, the occurrence of intervention-related stroke and neurological death, immediate aneurysm occlusion, rupture (or rerupture) of the aneurysm, and recanalization.ResultsTwenty-seven consecutive patients, 10 with ruptured saccular wide-neck aneurysms, were treated with NeuroForm Atlas SAC. At 6-mo follow-up, 18/26 (69.2%) survivors had successful aneurysm occlusion and 22/26 (84.6%) had favorable clinical outcome. One patient had died of a cause unrelated to treatment. No intervention-related complications leading to permanent neurological deficit occurred. However, intraprocedural thromboembolic complications occurred in 4/27 patients (14.8%), and ischemic stroke related to treatment occurred in 4/26 (15.4%). No hemorrhagic complications were observed.ConclusionNeuroForm Atlas SAC is a feasible way to treat ruptured and unruptured wide-neck aneurysms that are not amenable to conventional coiling or clipping. Aneurysm occlusion and favorable clinical outcome are consistent with previously reported rates for SAC of wide-neck aneurysms with other devices.

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