Document Detail

Treatment of intracranial broad-neck aneurysms with a new self-expanding stent and coil embolization.
MedLine Citation:
PMID:  15090346     Owner:  NLM     Status:  MEDLINE    
BACKGROUND AND PURPOSE: Endovascular treatment of broad-neck intracranial aneurysms with detachable coils requires special techniques. Placement of a stent over the aneurysm neck and secondary coil embolization prevents coil migration and allows attenuated packing of the coils. However, access for the stent-delivery system can be technically limited in tortuous anatomy. We present six cases of broad-neck aneurysms treated with a new self-expanding stent and coil embolization. METHODS: Three aneurysms of the supraophthalmic internal carotid artery and three aneurysms of the basilar tip with extension to the origin of a posterior cerebral artery were treated. The stent was a new self-expanding stent with a 3F over-the-wire microcatheter delivery system. Coil embolization was performed with electrolytically detachable coils. Time-of-flight MR angiography was performed after treatment in five cases. Three other patients could not be treated with the stent because deployment was not possible after correct positioning of the delivery system. RESULTS: Access with the stent-delivery system was easy, and the aneurysm neck was covered sufficiently. After stent placement, total coil embolization was achieved in four and subtotal coil embolization was achieved in two. Parent arteries remained open, and no secondary coil migration was seen. On follow-up MR imaging, the stent was clearly visible and patency of the parent vessel and emerging branches was assessable. CONCLUSION: This new stent is a safe and efficient tool for the endovascular treatment of intracranial broad-neck aneurysms. Access to smaller vessels was easy, but the mechanism of deployment had to be improved. Follow-up MR imaging was sufficient.
Karsten Alfke; Torsten Straube; Lutz Dörner; H Maximilian Mehdorn; Olav Jansen
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  AJNR. American journal of neuroradiology     Volume:  25     ISSN:  0195-6108     ISO Abbreviation:  AJNR Am J Neuroradiol     Publication Date:  2004 Apr 
Date Detail:
Created Date:  2004-04-19     Completed Date:  2004-07-19     Revised Date:  2008-02-14    
Medline Journal Info:
Nlm Unique ID:  8003708     Medline TA:  AJNR Am J Neuroradiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  584-91     Citation Subset:  IM    
Section of Neuroradiology, University of Schleswig-Holstein, Campus Kiel, Germany.
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MeSH Terms
Carotid Artery Diseases / diagnosis,  therapy*
Carotid Artery, Internal*
Cerebral Angiography*
Embolization, Therapeutic / instrumentation*
Follow-Up Studies
Image Enhancement*
Image Processing, Computer-Assisted*
Imaging, Three-Dimensional*
Intracranial Aneurysm / diagnosis,  therapy*
Magnetic Resonance Angiography*
Middle Aged
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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