Yonsei Med J.  2015 Jul;56(4):987-992. 10.3349/ymj.2015.56.4.987.

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

Affiliations
  • 1Department of Neurosurgery, Cerebrovascular Center, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea. jyjoo@yuhs.ac
  • 2Department of Radiology, Cerebrovascular Center, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
  • 3Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, Korea.

Abstract

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.

Keyword

Unruptured intracranial aneurysm; procedure; complication; ischemic stroke

MeSH Terms

Aged
Aneurysm, Ruptured
Endovascular Procedures/*methods
Female
Humans
Intracranial Aneurysm/epidemiology/*surgery
Male
Microsurgery
Middle Aged
Nervous System Diseases
Neurosurgical Procedures
Postoperative Complications/*epidemiology
Risk
Risk Assessment
Risk Factors
Treatment Outcome

Cited by  1 articles

Risk Factors for the Rupture of Bifurcation Intracranial Aneurysms Using CT Angiography
Guang-xian Wang, Dong Zhang, Zhi-ping Wang, Liu-qing Yang, Lei Zhang, Li Wen
Yonsei Med J. 2016;57(5):1178-1184.    doi: 10.3349/ymj.2016.57.5.1178.


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