The PulseRider® for the treatment of wide-neck bifurcation intracranial aneurysms: 6 months results.

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The PulseRider® for the treatment of wide-neck bifurcation intracranial aneurysms: 6 months results.

World Neurosurg. 2016 Dec 22;:

Authors: Gory B, Spiotta AM, di Paola F, Mangiafico S, Renieri L, Consoli A, Biondi A, Riva R, Labeyrie PE, Turjman F

Abstract
BACKGROUND/OBJECTIVE: PulseRider® is a new endovascular stent dedicated to treat bifurcation intracranial aneurysms with a wide neck. Our purpose is to evaluate 6-months clinical and anatomical results of the device when used to facilitate endovascular coiling of wide-neck bifurcation aneurysms.
METHODS: Unruptured intracranial aneurysms coiled with PulseRider®, in 6 European centers and 1 US center, were retrospectively reviewed from June 2014 to October 2015. Immediate and 6-months results were evaluated independently by using the Raymond classification scale. Recanalization was defined as worsening, and progressive thrombosis was defined as improvement on the Raymond scale.
RESULTS: Nineteen patients (10 women, 9 men; mean age, 63 years) harboring 19 bifurcations aneurysms (mean dome size, 8.8 mm; mean neck size, 5.8 mm) were included. Immediate angiographic outcome showed 11 complete aneurysm occlusions, 6 neck remnants, and 2 residual aneurysms. Follow-up at 6 months, obtained in all patients, included 12 complete aneurysm occlusions (63.1%), 6 neck remnants (31.6%), and 1 residual aneurysm (5.3%). Adequate occlusion (defined as complete occlusion and neck remnant combined) was observed in 94.7%. Progressive thrombosis was observed in 2 cases (10.6%) and recanalization in 1 case (5.3%). There was no in-stent stenosis or jailed branch occlusion. No bleeding was observed during the follow-up period. Permanent morbidity rate was 5.3% (1/19), and the mortality rate was 0% at 6 months.
CONCLUSIONS: The PulseRider® allows endovascular treatment of wide-neck bifurcation intracranial aneurysms. Larger series are needed to confirm our preliminary results.

PMID: 28017750 [PubMed - as supplied by publisher]

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