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Prevalence of Intracranial Aneurysms in Patients with Aortic Dissection

Authors
 W.S. Jung  ;  J.H. Kim  ;  S.J. Ahn  ;  S.-W. Song  ;  B.M. Kim  ;  K.-D. Seo  ;  S.H. Suh 
Citation
 American Journal of Neuroradiology, Vol.38(11) : 2089-2093, 2017 
Journal Title
 American Journal of Neuroradiology 
ISSN
 0195-6108 
Issue Date
2017
Abstract
BACKGROUND AND PURPOSE: There is an uncertainty about the association between intracranial aneurysms and aortic dissection. We aimed to determine the prevalence of intracranial aneurysms in patients with aortic dissection and evaluate the independent risk factors for the presence of intracranial aneurysms in these patients. MATERIALS AND METHODS: Seventy-one patients with a confirmed aortic dissection who underwent additional brain imaging were enrolled as the aortic dissection group, and 2118 healthy individuals with brain imaging, as controls. Demographic data were obtained from their medical records, including age, sex, comorbidities, and arch vessel involvement of aortic dissection. Two readers reviewed all brain images independently regarding the presence, morphology, size, and location of intracranial aneurysms. Baseline characteristics were compared between the aortic dissection group and controls by propensity score matching, and logistic regression analysis was performed for independent risk factors for the presence of intracranial aneurysms. RESULTS: The prevalence of intracranial aneurysms was 12.96% in the aortic dissection group and 1.85% in controls (P = .022). The mean diameter of intracranial aneurysms was significantly larger in the aortic dissection group (5.79 ± 3.26 mm in aortic dissection versus 3.04 ± 1.57 mm in controls; P = .008), and intracranial aneurysms of >7 mm were also more common in the aortic dissection group (28.6% in aortic dissection versus 5.3% in controls, P = .003). On multivariate analysis, arch vessel involvement of aortic dissection was an independent risk factor for the presence of intracranial aneurysms (odds ratio, 6.246; 95% confidence interval, 1.472-26.50; P = .013). CONCLUSIONS: Patients with aortic dissection have a high prevalence of intracranial aneurysms, and selective screening for brain vessels could be considered in these patients with arch vessel involvement. A further prospective study is needed to demonstrate a substantial prevalence of intracranial aneurysms.
Full Text
http://www.ajnr.org/content/38/11/2089
DOI
10.3174/ajnr.A5359
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 1. Journal Papers
Yonsei Authors
김병문(Kim, Byung Moon) ORCID logo https://orcid.org/0000-0001-8593-6841
서상현(Suh, Sang Hyun) ORCID logo https://orcid.org/0000-0002-7098-4901
송석원(Song, Suk Won) ORCID logo https://orcid.org/0000-0002-9850-9707
안성준(Ahn, Sung Jun) ORCID logo https://orcid.org/0000-0003-0075-2432
정우상(Jung, Woo Sang)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/161370
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