What is the role of surgery in the treatment of unruptured intracranial aneurysms?

Updated: Dec 06, 2018
  • Author: David S Liebeskind, MD, FAAN, FAHA, FANA; Chief Editor: Helmi L Lutsep, MD  more...
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Considerable surgical mortality and morbidity rates at 1 year (as high as 3.8% and 15.7%, respectively) have been demonstrated in preventive treatment of unruptured aneurysms. The surgeon's experience may be a significant and highly variable factor in operative morbidity rate and functional outcome. More recently, application of diffusion-weighted MRI has demonstrated silent thromboembolic events associated with endovascular treatment of unruptured cerebral aneurysms. Quality-of-life issues, including the psychological morbidity of living with an unruptured intracranial aneurysm, also must be addressed.

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