Delayed asymptomatic coil migrations toward different arteries after aneurysmal embolization: case report

Delayed coil migration after endovascular treatment with detachable coils, particularly several months after treatment, is extremely rare. In this report, the authors describe a 77-year-old female in whom delayed coil migration to the anterior cerebral artery and posterior communicating artery (PCoA...

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Bibliographic Details
Published in:Acta neurochirurgica 2017-03, Vol.159 (3), p.593-598
Main Authors: Kamide, Tomoya, Misaki, Kouichi, Nambu, Iku, Mohri, Masanao, Uchiyama, Naoyuki, Nakada, Mitsutoshi
Format: Article
Language:English
Subjects:
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Anterior Cerebral Artery - diagnostic imaging
Case Report - Vascular
Embolization, Therapeutic - adverse effects
Female
Humans
Interventional Radiology
Intracranial Aneurysm - diagnostic imaging
Intracranial Aneurysm - therapy
Medicine
Medicine & Public Health
Minimally Invasive Surgery
Neurology
Neuroradiology
Neurosurgery
Prosthesis Failure
Retreatment
Stents - adverse effects
Surgical Orthopedics
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Summary:Delayed coil migration after endovascular treatment with detachable coils, particularly several months after treatment, is extremely rare. In this report, the authors describe a 77-year-old female in whom delayed coil migration to the anterior cerebral artery and posterior communicating artery (PCoA) developed 3 months after an uncomplicated aneurysm embolization. The patient was successfully retreated with a closed-cell stent. Computational fluid dynamics (CFD) revealed high wall shear stress (WSS) and multiple vortices in the residual cavity of the initially treated aneurysm. CFD could be useful to detect and predict this complication, and a stent-assisted technique could be an important treatment option.
ISSN:0001-6268
0942-0940
DOI:10.1007/s00701-017-3083-6