Can pacemakers, neurostimulators, leads, or guide wires be MRI safe? Technological concerns and possible resolutions

Can pacemakers, neurostimulators, leads, or guide wires be MRI safe? Technological concerns and possible resolutions

The substantial benefits of magnetic resonance imaging are often denied to patients known to have implanted medical devices such as pacemakers and neurostimulators. Other patients are put at potential risk when they undergo an MRI procedure, even though specific informed consent is required regardin...

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Bibliographic Details
Published in:Minimally invasive therapy and allied technologies Vol. 15; no. 2; pp. 114 - 120
Main Authors: Helfer, Jeffrey L., Gray, Robert W., Macdonald, Stuart G., Bibens, Timothy W.
Format: Journal Article
Language:English
Published: England Informa UK Ltd 2006
Taylor & Francis
Subjects:
Electrodes, Implanted - standards
Equipment Safety
guide wire
heating
Hot Temperature
Humans
In Vitro Techniques
lead
Magnetic Resonance Imaging
medical devices
Models, Theoretical
MRI
neurostimulators
Pacemaker, Artificial - standards
pacemakers
safety
temperature measurement
Online Access:Get full text
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Summary:The substantial benefits of magnetic resonance imaging are often denied to patients known to have implanted medical devices such as pacemakers and neurostimulators. Other patients are put at potential risk when they undergo an MRI procedure, even though specific informed consent is required regarding the possible MRI interactions with the implanted device. The medical community is currently divided over the actual extent of the MRI safety problem. In this report, insight is provided into the wide array of results achieved by many researchers; also, several options for producing medical devices that are inherently safe under worst-case MRI conditions are presented. As the problem is very complex and the variety of implants is large, this paper focuses on the problems of MRI-induced lead heating.
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ISSN:1364-5706
1365-2931
DOI:10.1080/13645700600674302