Intra-procedural intrasaccular device migration is an uncommon complication of endovascular treatment of wide-neck aneurysms. We report the case of a 52-years old Caucasian male who presented with a 3 × 3 mm posterior facing top of the basilar aneurysm in which treatment with WEB-SL (Woven EndoBridge-single layer) device was tempted. Inadvertent WEB migration in the right posterior cerebral artery occurred after detachment. Two retrieval attempts were performed using a combined technique with two different stent-retrievers and a 5-Fr distal access catheter. Upon WEBectomy attempt, the device rolled over the stents, and the passages were unsuccessful. The device was successfully removed using a microSnare, catching and retrieving it inside the 5-Fr distal access catheter. Micro-Snare is an effective bail-out technique to recover migrated intrasaccular WEB devices in cerebral arteries.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11483766PMC
http://dx.doi.org/10.1177/15910199221118709DOI Listing

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