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Clinical Risk Factors Affecting Procedure-Related Major Neurological Complications in Unruptured Intracranial Aneurysms

 E Wook Jang  ;  Yong Bae Kim  ;  Joonho Chung  ;  Sang Hyun Suh  ;  Chang-Ki Hong  ;  Jin-Yang Joo 
 YONSEI MEDICAL JOURNAL, Vol.56(4) : 987-992, 2015 
Journal Title
Issue Date
Aged ; Aneurysm, Ruptured ; Endovascular Procedures/methods* ; Female ; Humans ; Intracranial Aneurysm/epidemiology ; Intracranial Aneurysm/surgery* ; Male ; Microsurgery ; Middle Aged ; Nervous System Diseases ; Neurosurgical Procedures ; Postoperative Complications/epidemiology* ; Risk ; Risk Assessment ; Risk Factors ; Treatment Outcome
Unruptured intracranial aneurysm ; complication ; ischemic stroke ; procedure
PURPOSE: The operative risk and natural history rupture risk for the treatment of unruptured intracranial aneurysms (UIAs) should be evaluated. The purpose of this study was to report our experience with treating UIAs and to outline clinical risk factors associated with procedure-related major neurological complications. MATERIALS AND METHODS: We treated 1158 UIAs in 998 patients over the last 14 years. All patients underwent operation performed by a single microvascular surgeon and two interventionists at a single institution. Patient factors, aneurysm factors, and clinical outcomes were analyzed in relation to procedure-related complications. RESULTS: The total complication rate was 22 (2.2%) out of 998 patients. Among them, complications developed in 14 (2.3%) out of 612 patients who underwent microsurgery and in 8 (2.1%) out of 386 patients who underwent endovascular procedures. One patient died due to intraoperative rupture during an endovascular procedure. The procedure-related complication was highly correlated with age (p=0.004), hypertension (p=0.002), and history of ischemic stroke (p<0.001) in univariate analysis. The multivariate analysis revealed previous history of ischemic stroke (p=0.001) to be strongly correlated with procedure-related complications. CONCLUSION: A history of ischemic stroke was strongly correlated with procedure-related major neurological complications when treating UIAs. Accordingly, patients with UIAs who have a previous history of ischemic stroke might be at risk of procedure-related major neurological complications.
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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, 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
Jang, E Wook(장이욱)
Chung, Joon Ho(정준호)
Joo, Jin Yang(주진양)
Hong, Chang Ki(홍창기)
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