Radiology
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

This Article
Right arrow Full Text (PDF)
Right arrow Submit a response
Right arrow Alert me when this article is cited
Right arrow Alert me when eLetters are posted
Right arrow Alert me if a correction is posted
Right arrow Citation Map
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Shellock, F. G.
Right arrow Articles by Kanal, E.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Shellock, F. G.
Right arrow Articles by Kanal, E.

Radiology, Vol 207, 587-591, Copyright © 1998 by Radiological Society of North America

ARTICLES

Yasargil aneurysm clips: evaluation of interactions with a 1.5-T MR system

FG Shellock and E Kanal
Department of Radiology, University of Southern California, School of Medicine, Los Angeles, USA.

PURPOSE: To evaluate the magnetic field interactions with Yasargil aneurysm clips exposed to a 1.5-T MR system. MATERIALS AND METHODS: Sixteen Yasargil aneurysm clips made with Phynox (10 clips returned to the manufacturer due to suspected magnetic field interactions and six clips obtained from the manufacturer in sterile packages) were tested for magnetic field interaction at 1.5 T by using techniques to assess magnetic field-induced translational (deflection angle test) and torque (changes in alignment or rotation) forces. RESULTS: None of the aneurysm clips demonstrated magnetic field interactions; that is, deflection angles were zero and there were no changes in alignment or evidence of rotational forces present. CONCLUSION: It is safe to perform MR procedures at 1.5 T or less in patients with Yasargil aneurysm clips made with nonferromagnetic material.


This article has been cited by other articles:


Home page
 RadiologyHome page
F. G. Shellock and J. V. Crues
MR Procedures: Biologic Effects, Safety, and Patient Care
Radiology, September 1, 2004; 232(3): 635 - 652.
[Abstract] [Full Text] [PDF]

Home page
 Am. J. Neuroradiol.Home page
F. G. Shellock, J. A. Tkach, P. M. Ruggieri, T. J. Masaryk, and P. A. Rasmussen
Aneurysm Clips: Evaluation of Magnetic Field Interactions and Translational Attraction by Use of "Long-Bore" and "Short-Bore" 3.0-T MR Imaging Systems
AJNR Am. J. Neuroradiol., March 1, 2003; 24(3): 463 - 471.
[Abstract] [Full Text] [PDF]

Home page
 Am. J. Roentgenol.Home page
F. G. Shellock and J. V. Crues III
MR Safety and the American College of Radiology White Paper
Am. J. Roentgenol., June 1, 2002; 178(6): 1349 - 1352.
[Full Text] [PDF]

Home page
 Br. J. Radiol.Home page
J C Evans, E T Smith, and T E Nixon
A national survey of attitudes towards the use of MRI in patients known to have intracranial aneurysm clips
Br. J. Radiol., December 1, 2001; 74(888): 1118 - 1120.
[Abstract] [Full Text] [PDF]

Home page
 RadiologyHome page
E. Kanal and F. G. Shellock
Aneurysm Clips: Effects of Long-term and Multiple Exposures to a 1.5-T MR System
Radiology, February 1, 1999; 210(2): 563 - 565.
[Abstract] [Full Text]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
RADIOLOGY RADIOGRAPHICS RSNA JOURNALS ONLINE
Copyright © 1998 by the Radiological Society of North America.