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PT  - JOURNAL ARTICLE
AU  - Wang, C.-C.
AU  - Li, W.
AU  - Feng, Z.-Z.
AU  - Hong, B.
AU  - Xu, Y.
AU  - Liu, J.-M.
AU  - Huang, Q.-H.
TI  - Preliminary Experience with Stent-Assisted Coiling of Aneurysms Arising from Small (&amp;lt;2.5 mm) Cerebral Vessels Using The Low-Profile Visualized Intraluminal Support Device
AID  - 10.3174/ajnr.A5145
DP  - 2017 Jun 01
TA  - American Journal of Neuroradiology
PG  - 1163--1168
VI  - 38
IP  - 6
4099  - http://www.ajnr.org/content/38/6/1163.short
4100  - http://www.ajnr.org/content/38/6/1163.full
SO  - Am. J. Neuroradiol.2017 Jun 01; 38
AB  - BACKGROUND AND PURPOSE: The Low-Profile Visualized Intraluminal Support (LVIS) stent is a new device recently introduced for the treatment of wide-neck intracranial aneurysms. This single-center study presents the authors&#039; preliminary experience using the LVIS stent to treat saccular aneurysms with parent arteries smaller than 2.5 mm.MATERIALS AND METHODS: Aneurysms with a LVIS stent used in a small parent vessel (&amp;lt;2.5 mm in diameter) between October 2014 and April 2016 were included. Procedure-related complications, angiographic results, clinical outcomes, and midterm follow-up data were analyzed retrospectively.RESULTS: A total of 22 patients was studied, including 5 ruptured and 17 unruptured aneurysms. Most of the aneurysms were located in the anterior circulation (90.9%). Stent placement in the parent arteries measuring 1.7–2.4 mm in diameter (mean, 2.1 mm) was successful in 100% of cases. Procedure-related complication developed in 1 patient (4.5%) who presented with aneurysm rupture. No permanent morbidity and mortality occurred. Immediate angiographic outcome showed complete occlusion in 8 aneurysms (36.4%), neck residual in 8 (36.4%), and residual aneurysm in 6 (27.3%). All patients underwent angiographic follow-up at a mean of 8.3 months, which revealed complete occlusion in 18 (81.8%) patients, neck remnant in 3 (13.6%), and residual sac in 1 (4.5%). No recanalization of the target aneurysm was observed. There was 1 case with asymptomatic in-stent stenosis.CONCLUSIONS: Our preliminary results show that the deployment of LVIS stents in small vessels is feasible, safe, and effective in the midterm. Larger studies with long-term follow-up are needed to validate our promising results.LVISLow-Profile Visualized Intraluminal Support