• David Dornbos, Umang Khandpur, and Patrick P Youssef.
• Department of Neurological Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA. Electronic address: David.Dornbos@osumc.edu.
• World Neurosurg. 2019 Sep 1; 129: 428-431.

BackgroundProvided certain anatomic considerations, stent-assisted coiling of basilar apex aneurysms can be performed using a single stent placed in a horizontal T-configuration across the aneurysm neck prior to coil deployment, although this has predominantly been described using older-generation stents. The development of the Low-profile Visualized Intraluminal Support (LVIS Jr) device has provided greater versatility than previous stents, including use in smaller vessels, the ability to be resheathed, and improved flow diversion properties.MethodsTo our knowledge, we report the first use of the LVIS Jr device in a horizontal T-configuration across the aneurysm neck prior to coil deployment in 2 patients for the treatment of basilar apex aneurysms. This technique requires robust posterior communicating artery aneurysms and a second site of vascular access.ResultsBoth patients demonstrated good outcomes following the procedure with no adverse sequelae. One patient required retreatment for recurrence after 1 year and was able to undergo further coiling without difficulty.ConclusionsUse of the LVIS Jr device allows greater versatility in horizontal T-configuration stent-assisted coil embolization, when compared with other available intracranial stents. This provides another tool to treat basilar apex aneurysms with improved coil occlusion and a theoretically decreased risk of thromboembolic events.Copyright © 2019 Elsevier Inc. All rights reserved.

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