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World Neurosurg. 2016 Jul;91:365-70. doi: 10.1016/j.wneu.2016.04.057. Epub 2016 Apr 22.

LVIS Stent Versus Enterprise Stent for the Treatment of Unruptured Intracranial Aneurysms.

Author information

1
Department of Interventional Neuroradiology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China; Beijing Engineering Research Center for Interventional Neuroradiology, Beijing, China.
2
Department of Interventional Neuroradiology, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China; Beijing Engineering Research Center for Interventional Neuroradiology, Beijing, China. Electronic address: liyouxiang@263.net.

Abstract

OBJECTIVE:

This retrospective study compared clinical and angiographic outcomes between LVIS and Enterprise stents.

MATERIALS AND METHODS:

From November 2014 to December 2015, total 190 patients with 208 unruptured intracranial aneurysms were coiled assisted by LVIS and Enterprise stents. Procedure-related complications, clinical outcomes, and angiographic results were analyzed retrospectively.

RESULTS:

A total of 92 patients with 96 aneurysms received LVIS stents and 98 patients with 112 aneurysms were treated with Enterprise stents. Procedure-related complications occurred in 10.9% of patients (2 hemorrhagic events and 8 thromboembolic events) in the LVIS stents group whereas 16.3% (1 hemorrhage, 1 mass effect, and 14 thromboembolic events) in the Enterprise stents group. No statistical significant differences in thromboembolic (P = 0.263), hemorrhagic complications (P = 0.611), and favorable clinical outcomes (modified Rankin Scores of 0-2) (P = 0.379) were found between 2 groups. A greater initial complete or near-complete obliteration was found in the LVIS stents group compared with the Enterprise stents group (96.9% vs. 88.4%, P = 0.034). Larger aneurysm size (P = 0.048) was an independent predictor of procedure-related complications in univariate analysis.

CONCLUSIONS:

Compared with Enterprise stents, LVIS stents may achieve greater complete or near-complete occlusion rate. There was no significant difference in procedural-related complications and clinical outcomes between LVIS and Enterprise stents.

KEYWORDS:

Clinical outcomes; Endovascular embolization; Enterprise stents; Intracranial aneurysms; LVIS stents

PMID:
27113398
DOI:
10.1016/j.wneu.2016.04.057
[Indexed for MEDLINE]

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