• J Neurointerv Surg · Sep 2017

    Multicenter Study

    Canadian Registry of LVIS Jr for Treatment of Intracranial Aneurysms (CaRLA).

    • ShankarJai Jai ShivaJJSDepartment of Diagnostic Imaging, QE II Health Sciences Centre, Halifax, Nova Scotia, Canada., Aiman Quateen, Alain Weill, Donatella Tampieri, Maria Del Pilar Cortes, Robert Fahed, Satya Patro, Zul Kaderali, Cheemun Lum, Howard Lesiuk, Uzair Ahmed, Lissa Peeling, Michael E Kelly, and Daniela Iancu.
    • Department of Diagnostic Imaging, QE II Health Sciences Centre, Halifax, Nova Scotia, Canada.
    • J Neurointerv Surg. 2017 Sep 1; 9 (9): 849-853.

    IntroductionStents reduce the rate of angiographic recurrence of intracranial aneurysms. The newest stent for intracranial use is the Low-profile Visible Intraluminal Support device (LVIS Jr).ObjectiveTo assess the efficacy of the new stent in a multicenter retrospective registry.Materials And MethodCenters across Canada using LVIS Jr were contacted and asked to participate in a retrospective registry of consecutive patients treated with LVIS Jr for intracranial aneurysms between January 2013 and July 2015.ResultsA total of 102 patients, with saccular aneurysms in 100 patients (72 women; age range 21-78 years; mean 56.0 years; median 57.5 years) were treated with a LVIS Jr stent. The mean maximum diameter of the dome and neck of the aneurysm and dome to neck ratios were 8.3 mm±7.7 mm, 4.4 mm±1.9 mm, and 1.86±1.22, respectively. Angiographic complications arose in 23 patients, clinical complications in 9 patients, and only 3% of permanent neurological deficits occurred. Death occurred in 1 patient, unrelated to the stent. The ruptured status of the aneurysms (OR=3.29; p=0.046) and use of LVIS Jr for bailout (OR=2.54; p=0.053) showed a trend towards significant association with higher angiographic complications. At the last available follow-up, 68 class I, 20 class II, and 12 class III results were seen.ConclusionsThe LVIS Jr stent is a safe and effective device for stent-assisted coiling, with 3% permanent neurological complications. Stent-assisted coiling continues to be technically challenging in cases of ruptured aneurysms and bailout situations.Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/.

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