• Seung Soo Kim, Hyun Park, Kwang Ho Lee, Seunguk Jung, Chang Hyo Yoon, Sung Kwon Kim, Kyeong Hwa Ryu, Hye Jin Baek, Soo Hyun Hwang, and O-Ki Kwon.
• Department of Neurosurgery, Gyeongsang National University Changwon Hospital, Seongsan-gu, Changwon-si, Gyeongsangnam-do, Republic of Korea.
• World Neurosurg. 2020 Mar 1; 135: e710-e715.

BackgroundCoil protrusion occasionally occurs during embolization and can lead to thromboembolic complications. We aimed to evaluate the efficacy of rescue stenting procedures with a low-profile stent system (LVIS Jr.) for treating ruptured intracranial aneurysms during complicated coil embolization.MethodsWe performed a retrospective review to identify patients who had subarachnoid hemorrhage and were treated with LVIS Jr. stent rescue therapy. We enrolled 15 patients with intracranial aneurysms and evaluated the technical success and immediate postprocedural clinical and angiographic outcomes.ResultsAll 15 patients underwent successful rescue-stent treatment, and no thrombotic or hemorrhagic complications occurred. Immediate postprocedural angiography revealed complete aneurysm occlusion in 40% (6/15) of the patients, whereas 60% (9) of the patients had a residual neck. Among the 12 patients who underwent follow-up angiography, 10 (83.3%) patients had complete aneurysm occlusion, 1 (8.3%) had a residual neck, and 1 (8.3%) showed an increase in the filling status of the aneurysm. There were no thrombotic complications during the follow-up period.ConclusionsOur findings indicate that LVIS Jr. stent rescue therapy is clinically useful for handling coil protrusion during the embolization of ruptured intracranial aneurysms.Copyright © 2019 Elsevier Inc. All rights reserved.

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