Thermal injuries associated with MRI

Area of Science:

• Medical Imaging
• Patient Safety
• Biomedical Engineering

Background:

• Physicians recognize absolute contraindications for magnetic resonance imaging (MRI).
• The risk of MRI-induced thermal or electrical burns from monitoring devices is less understood.
• Current guidelines for MRI safety primarily address burns caused by electromagnetic induction in looped cables.

Purpose of the Study:

• To review reported burn injuries sustained during MRI procedures.
• To investigate and address the underlying heating mechanisms responsible for these MRI-related burns.
• To expand understanding beyond the traditional electromagnetic induction theory.

Main Methods:

• Review of reported patient burn injuries during MRI.
• Analysis of potential heating mechanisms associated with metallic objects and devices in the MRI environment.
• Discussion of recent findings on alternative heating theories.

Main Results:

• Numerous burn injuries during MRI have been reported.
• Electromagnetic induction in cables is a suspected cause, but other mechanisms are implicated.
• Heating of metallic components on or within the patient may contribute to burns.

Conclusions:

• Patient burns during MRI are a significant safety concern.
• Multiple heating mechanisms, not solely cable induction, can cause MRI burns.
• Further research into all potential heating sources is crucial for enhancing MRI safety protocols.