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American Journal of Neuroradiology 25:1476-1478, October 2004
© 2004 American Society of Neuroradiology

INTERVENTIONAL

MR Safety and Imaging of Neuroform Stents at 3T

Arvind Nehraa, Christopher J. Morana,b, DeWitte T. Cross, IIIa,b and Colin P. Derdeyna,b,c

a Interventional Neuroradiology Service, Mallinckrodt Institute of Radiology
b Department of Neurological Surgery, Washington University School of Medicine, St. Louis, MO
c Department of Neurology, Washington University School of Medicine, St. Louis, MO

Address correspondence to Colin P. Derdeyn, MD, Mallinckrodt Institute of Radiology, 510 South Kingshighway Boulevard, St. Louis, MO 63110

Abstract

Summary: The Neuroform stent is a self-expanding nitinol stent designed for use in wide-necked intracranial aneurysms. Heating and imaging artifacts were evaluated by using a porcine carotid artery aneurysm model in a 3T MR system. A suspended Neuroform stent was tested for deflection. No heating was measured, and no evidence of deflection of the stent was found. Imaging artifacts were minimal. MR imaging in patients with Neuroform stent-treated aneurysms is safe and feasible.




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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X