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'Cardiac Stent'
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Reader Mail

Tue. 18 May.04,
15:24

[Start of:
'Cardiac Stent'
1 Reply]

 
  Category: 
Safety
 
Cardiac Stent
Reader Mail

Is there an easy way to figure out what cardiac stents are safe for MRI????Can anyone help

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Gary Brown

Mon. 14 Jun.21,
15:20

[Start of:
'Stents'
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  Category: 
General
 
Stents
Employer relates that any cardiac stent implanted after 2008 is safe on ANY MRI scanner within our system. This ranges from 0.3 Open scanners to 1.2 High field Open and 1.5 and 3T closed systems.
Contrarily, the manufacturer data on certain stents states 1.5 or 3 T ONLY, but we are urged to scan on an open if implanted after 2008. Does anyone have any type of testing documentation that this is safe? I'm not so much worried about the field strength as I am the magnetic field orientation as the defining safety issue.
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Service

Tue. 18 May.04,
15:51

[Reply (1 of 2) to:
'Cardiac Stent'
started by: 'Reader Mail '
on Tue. 18 May.04]

 
  Category: 
Safety
 
Cardiac Stent
MRI-related problems with metallic prosthetic grafts are the magnetic moment and the heating possibility.
New cardiac stents (produced in the last 5-8 years) are mostly out of non-magnetic material. 2-3 month after the stent implantation it is to expect that stents will be covered with tissue and a movement in the magnetic field is unusual. A small risk of heating caused by induction remains
(the risk depends on the field strength and the scanned region) - but the fast flowing blood is a good cooling system and reduces this risk in addition.
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