• George-Joseph Melki, Jelle Demeestere, Annouschka Laenen, Lawrence Bonne, Eveline Claus, Julie Lambert, Pieter-Jan Buyck, Jo Peluso, Philippe Demaerel, Robin Lemmens, and Geert Maleux.
• Department of Radiology, University Hospitals KU Leuven, Leuven, Belgium.
• World Neurosurg. 2023 Nov 1; 179: e212e221e212-e221.

ObjectiveThe NeVa stent retriever is a newly designed mechanical thrombectomy device for the treatment of acute ischemic stroke caused by large vessel occlusion. We investigate the procedural characteristics and patients' clinical outcomes at discharge and at 90 days of follow-up.MethodsWe retrospectively reviewed a cohort of 75 patients (median age, 74 years) treated with the NeVa device for acute large vessel occlusion stroke. Per pass modified Treatment in Cerebral Infarction (mTICI) scores, procedural complications, and clinical outcome parameters including the National Institutes of Health Stroke Scale (NIHSS) score, modified Rankin Scale (mRS) score, and mortality were analyzed, based on patients' electronic medical records.ResultsComplete first pass effect was observed in 24 patients (32%). Vasospasm, repeated re-thrombosis, failure to advance the NeVa device through the microcatheter, and symptomatic intracranial hemorrhage were observed in 2, 1, 1, and 2 patient(s) respectively. The rate of complete (mTICI 2c-3) reperfusion was achieved in 61 patients (81.33%), with a median number of 2 passes (1-3). Median NIHSS score on admission, after 24 hours, and after 5-10 days or at discharge was 19 (15-23), 11 (4-19), and 3 (2-13.5), respectively. The number of patients with a functional mRS score (0-2) at 90 days follow-up was 29 (39%).ConclusionsEndovascular stroke management with use of the NeVa-Vesalio stent retriever may be associated with a 90-day functional mRS score in nearly 40% of treated patients.Copyright © 2023 Elsevier Inc. All rights reserved.

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