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Updated: Jan 28, 2026

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
Published on: August 11, 2015
Rupture of a Previously Unruptured Cerebral Aneurysm 6 Years After Treatment With the Woven EndoBridge (WEB) Device:
Alexander Drofa1, Evgueni Kouznetsov1
1Department of Neurosurgery Sanford Brain and Spine Institute 2301 25th St. S. Fargo North Dakota 58103 United States.
Background:
Introduced to the clinical field in 2011, the Woven EndoBridge (Sequent Medical) device is recognized as a significant innovation for managing wide-neck bifurcation aneurysms. Delayed aneurysm ruptures, typically occurring hours to months after Woven EndoBridge placement, have been reported.
Methods:
We present a case of a previously unruptured, known residual aneurysm that ruptured 6 years after treatment with a Woven EndoBridge device. This case underscores the fact that intrasaccular flow diversion, without achieving aneurysm occlusion, does not prevent aneurysm rupture.
Conclusion:
Consequently, aneurysm retreatment to attain complete occlusion is imperative.
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