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Recurrence and retreatment of anterior communicating artery aneurysms after endovascular treatment: a retrospective study

Authors
 Chang Ki Jang  ;  Joonho Chung  ;  Jae Whan Lee  ;  Seung Kon Huh  ;  Nak-Hoon Son  ;  Keun Young Park 
Citation
 BMC NEUROLOGY, Vol.20(1) : 287, 2020-07 
Journal Title
BMC NEUROLOGY
Issue Date
2020-07
Keywords
Aneurysm ; Anterior communicating artery ; Recurrence
Abstract
Background: Surgical treatment of anterior communicating artery (Acom) aneurysm is challenging due to anatomic complexity. We aimed to describe our experiences with endovascular treatment (EVT) of Acom aneurysms, and to evaluate the incidence and risk factors of recurrence and retreatment.

Methods: The study comprised 260 patients who were treated at a single center between January 2010 and December 2018. Patients who had EVT, including stent-assisted coiling of Acom aneurysms, were included. All medical records were retrospectively reviewed. The incidence and risk factors of recurrence and retreatment were evaluated. Univariate and multivariate analysis were conducted.

Results: Recurrence of Acom aneurysms occurred in 38 (14.6%) patients. Mean follow-up duration was 27 months (range 1-110). Multivariate logistic regression indicated that ruptured aneurysm (odds ratio [OR] 3.55, P = 0.001), dome direction (anterior) (OR 3.86, P = 0.002), maximal diameter (OR 1.19, P = 0.02), and mean age (OR 0.96, P = 0.02) were independent risk factors for aneurysm recurrence. Of 38 cases of recurrence, 10 (3.8%) patients underwent retreatment. Ruptured aneurysm (OR 14.7, P = 0.004), maximal diameter (OR 1.56, P = 0.02), inflow angle (OR 1.04, P = 0.03), and Raymond-Roy classes II and III (OR 6.19, P = 0.03) showed significant relation to retreatment in multivariate logistic regression analysis.

Conclusions: In our study, recurrence rate of Acom aneurysms after EVT was 14.6%. Rupture, anterior dome direction, maximal diameter, and mean age were significantly associated with recurrence. Retreatment rate of recurrent Acom aneurysms after EVT was 3.8%. Patients with Acom aneurysms with large inflow, rupture, large size, or incomplete occlusion may be at a high risk of retreatment of recurring aneurysm.
Files in This Item:
T202003021.pdf Download
DOI
10.1186/s12883-020-01871-5
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
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)
Huh, Seung Kon(허승곤)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179484
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