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Efficacy and Safety of Flow-Diverter Therapy for Recurrent Aneurysms After Stent-Assisted Coiling

Authors
 K Y Park  ;  J Y Yeon  ;  B M Kim  ;  P Jeon  ;  J-H Kim  ;  C K Jang  ;  D J Kim  ;  J W Lee  ;  Y B Kim  ;  J Chung  ;  D H Song  ;  H G Park  ;  J S Park 
Citation
 AMERICAN JOURNAL OF NEURORADIOLOGY, Vol.41(4) : 663-668, 2020-04 
Journal Title
 AMERICAN JOURNAL OF NEURORADIOLOGY 
ISSN
 0195-6108 
Issue Date
2020-04
Abstract
Background and purpose: Flow-diverter treatment for previously stented aneurysms has been reported to be less effective and prone to complications. In this study, we evaluated the effectiveness and safety of flow diverters for recurrent aneurysms after stent-assisted coiling. Materials and methods: Patients who underwent flow-diverter placement for recurrent aneurysms after stent-assisted coiling between March 2015 and March 2019 were recruited. Clinical and radiographic characteristics and clinical and angiographic outcomes were retrospectively evaluated. Results: Among 133 patients who underwent flow-diverter insertion, 17 (male/female ratio = 5:12; mean age, 53.8 years) were treated for recurrent aneurysms after stent placement with (n = 16) or without (n = 1) coiling. Eight patients initially presented with subarachnoid hemorrhage; 7, with headache; and 2, with visual field defects. Angiographic morphology included large/giant saccular in 12 patients, dissecting in 2, fusiform in 1, traumatic pseudoaneurysm in 1, and ruptured blood blister-like aneurysm in 1. The duration between the first treatment and flow-diverter placement ranged from 2 weeks to 15 months (median, 6 months). Flow-diverter placement was successful in all cases without any complications. All patients had favorable outcomes (mRS, 0-2), without any newly appearing symptoms. Aneurysms were followed up with conventional angiography at least once in 6-18 months. Sixteen aneurysms showed complete occlusion, and 1 aneurysm was enlarged. Conclusions: Results from this case series investigating flow-diverter placement for recurrent aneurysms after stent-assisted coiling suggested that the procedure is safe and effective. Further study in a larger population may be warranted.
Full Text
http://www.ajnr.org/content/41/4/663.long
DOI
10.3174/ajnr.A6476
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Dong Joon(김동준) ORCID logo https://orcid.org/0000-0002-7035-087X
Kim, Byung Moon(김병문) ORCID logo https://orcid.org/0000-0001-8593-6841
Kim, Yong Bae(김용배) ORCID logo https://orcid.org/0000-0003-2262-7157
Kim, Jun-Hwee(김준휘)
Park, Keun Young(박근영)
Lee, Jae Whan(이재환)
Jang, Chang Ki(장창기) ORCID logo https://orcid.org/0000-0001-8715-8844
Chung, Joon Ho(정준호)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/176087
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