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- Title
Results of Endovascular Coil Embolization Treatment for Small (= 5 mm) Unruptured Intracranial Aneurysms.
- Authors
Siwoo Lee; Tae-Sik Gong; Yong-Woo Lee; Hyo-Joon Kim; Chang-young Kweon
- Abstract
Objective : Researchers and clinicians have been unable to fully elucidate the natural course of and proper treatment for unruptured intracranial aneurysms (UIAs) smaller than or equal to 5 mm, particularly with regard to whether close observation or surgery is more appropriate. In this retrospective study, we evaluated the safety and efficacy of endovascular coil embolization of small (= 5 mm) asymptomatic UIAs by analyzing outcomes and complications associated with the procedure. Materials and Methods : We analyzed data from 150 patients with small asymptomatic UIAs (= 5 mm) treated with coil embolization between January 2011 and December 2015. Three-dimensional angiography was used to measure aneurysm size. We evaluated procedure-related morbidity and mortality, immediate post-operative angiographic results, brain computed thomography follow-up results on post-operative day one, and clinical progress. Results : UIAs occurred primarily in the anterior circulation area (142 cases, 94.67%), though eight patients exhibited UIAs of the posterior circulation. Following coil embolization, aneurysms with complete occlusion were observed in 137 cases (91.3%). Partial occlusion occurred in five cases (3.33%), while the procedure had failed in eight cases (5.33%). Procedure-related morbidity and mortality were five cases (3.33%) and zero cases, respectively. Conclusion : The endovascular treatment of small asymptomatic UIAs is associated with good short-term outcomes without permanent neurologic complications as well as low overall complication and morbidity rates. Thus, the procedure should be considered for patients with smaller asymptomatic UIAs.
- Subjects
INTRACRANIAL aneurysm ruptures; INTRACRANIAL aneurysm surgery; ENDOVASCULAR surgery; THERAPEUTIC embolization; COMPUTED tomography
- Publication
Journal of Cerebrovascular & Endovascular Neurosurgery, 2016, Vol 18, Issue 3, p229
- ISSN
2234-8565
- Publication type
Article
- DOI
10.7461/jcen.2016.18.3.229