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Preliminary experience with self-expanding closed-cell stent placement in small arteries less than 2 mm in diameter for the treatment of intracranial aneurysms

Authors
 Joonho Chung  ;  Sang Hyun Suh  ;  Chang Ki Hong  ;  Jin Yang Joo  ;  Yong Cheol Lim  ;  Yong Sam Shin  ;  Yong Bae Kim 
Citation
 JOURNAL OF NEUROSURGERY, Vol.122(6) : 1503-1510, 2015 
Journal Title
JOURNAL OF NEUROSURGERY
ISSN
 0022-3085 
Issue Date
2015
MeSH
Adult ; Aged ; Aneurysm, Ruptured/surgery* ; Female ; Humans ; Intracranial Aneurysm/surgery* ; Male ; Middle Aged ; Stents* ; Treatment Outcome
Keywords
DSA = digital subtraction angiography ; EVT = endovascular treatment ; Enterprise stent ; GOS = Glasgow Outcome Scale ; LVIS = Low-Profile Visualized Intraluminal Stent ; closed-cell stent ; intracranial aneurysm ; self-expanding stent ; small parent vessels ; vascular disorders
Abstract
OBJECT: The purpose of this study was to report the authors' preliminary experience using self-expanding closed-cell stents deployed in small arteries (< 2 mm in diameter) to treat intracranial aneurysms.
METHODS: A total of 31 patients were studied. All subjects met the following criteria: 1) they received an Enterprise stent for treatment of a wide-necked aneurysm or a dissecting aneurysm or as part of a stent-salvage procedure; and 2) they had an Enterprise stent deployed in a small parent artery (< 2 mm in diameter) that had no atherosclerotic stenosis. Procedure-related complications and follow-up sizes of the parent arteries were evaluated for safety and patency.
RESULTS: There were 16 ruptured aneurysms and 15 unruptured aneurysms. Three (9.7%) of the 31 patients experienced procedure-related complications, and they all were asymptomatic. Follow-up angiography was performed in 27 patients (87.1%) (at a mean 15.5 months after surgery). Parent arteries with 2 acute angles (n = 4) were occluded in 3 cases (75.0%), and those with no acute angles (n = 13) or 1 acute angle (n = 6) showed 100% patency on follow-up angiography. There was a significant difference between the follow-up sizes (mean 1.72 ± 0.30 mm) of parent arteries and their sizes (mean 1.59 ± 0.26 mm) before treatment (95% CI - 0.254 to - 0.009 mm; p = 0.037, paired-samples t-test).
CONCLUSIONS: In the current series the deployment of self-expanding closed-cell stents in small arteries was safe and resulted in good patency, especially when the stents were deployed in segments of the parent artery with no acute angles or only 1 acute angle.
Full Text
http://thejns.org/doi/10.3171/2014.11.JNS14435
DOI
10.3171/2014.11.JNS14435
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Yong Bae(김용배) ORCID logo https://orcid.org/0000-0003-2262-7157
Suh, Sang Hyun(서상현) ORCID logo https://orcid.org/0000-0002-7098-4901
Chung, Joon Ho(정준호)
Joo, Jin Yang(주진양)
Hong, Chang Ki(홍창기) ORCID logo https://orcid.org/0000-0002-2761-0373
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/140482
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