Related Experiment Video
Updated: Jan 28, 2026
18:50
Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
14.0K
Flow Diversion for Intracranial Aneurysms With Incorporated Branch: A Subanalysis From the SEASE International
Mahmoud Dibas1, Juan Vivanco-Suarez1, Milagros Galecio-Castillo1
1Department of Neurology University of Iowa Hospitals and Clinics Iowa City IA.
Stroke (Hoboken, N.J.)
|January 26, 2026
Summary
Flow diversion for intracranial aneurysms (IAs) with incorporated branches is effective. Neck-originating branches achieve higher occlusion rates than dome-originating branches, influencing treatment strategies.
Area of Science:
- Neurosurgery
- Interventional Neuroradiology
- Medical Devices
Background:
- Intracranial aneurysms (IAs) with incorporated branches pose unique challenges for flow diversion.
- The anatomical relationship of these branches influences treatment outcomes.
Purpose of the Study:
- To evaluate the safety and effectiveness of the Surpass Evolve flow diverter for treating IAs with incorporated branches.
- To assess the impact of branch origin on IA occlusion rates.
Main Methods:
- A subanalysis of the SEASE registry data was performed.
- IAs were categorized into four types based on branch anatomy.
- Outcomes were compared between IAs with neck branches versus dome branches.
Main Results:
- The study included 67 patients with IAs, primarily in the posterior communicating artery.
- Complete occlusion was achieved in 60.8% of IAs with dome branches versus 92.9% with neck branches (P=0.026).
- Complication and retreatment rates were low and similar between groups.
Conclusions:
- Branch origin significantly impacts IA occlusion rates following flow diversion.
- Neck-originating branches are associated with higher occlusion rates.
- Anatomical considerations are crucial for treatment planning and future clinical trials.
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