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AJNR Am J Neuroradiol ; 28(2): 387-9, 2007 Feb.
Article in English | MEDLINE | ID: mdl-17297019

ABSTRACT

Appropriately sized 0.010- and 0.018-inch complex framing coils were placed in a wide-necked silicone aneurysm replica, and their stability was evaluated at variable physiologic flow rates using video recording. After detachment, the 0.010-inch coils demonstrated instability/prolapse that was proportional to flow rate. In contrast, 0.018-inch coils held their 3D configuration regardless of flow rate. The findings support the use of 0.018-inch coils (when possible) in aneurysms with unfavorable geometry, particularly in circulations with higher flow rates.


Subject(s)
Aneurysm/therapy , Embolization, Therapeutic/instrumentation , Embolization, Therapeutic/adverse effects , Humans , In Vitro Techniques , Materials Testing , Models, Anatomic , Prosthesis Failure , Silicones
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