Why the study?
The risks of RF-induced heating of active implantable medical device leads during MR examinations must be understood, motivating evaluation of potential additional risks from broken and abandoned leads.
Do broken and abandoned implant leads increase the risk of RF-induced heating during MR examinations compared to intact leads?
Population
Generic AIMD with a metallic IPG and a 100-cm long lead in 4 high resolution virtual population anatomic models
Comparison
Broken and abandoned (cut) leads vs intact leads
Design
In vitro numerical modeling with experimental validation and Tier 3 in vivo assessment
Authors
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May warrant extra MRI caution for AIMD patients with possible lead breaks; leaves open in-vivo confirmation before any labeling or practice change.
Do broken and abandoned implant leads increase the risk of RF-induced heating during MR examinations compared to intact leads?
Broken and abandoned implant leads significantly increase the risk of RF-induced lead-tip heating during MRI compared to intact leads, highlighting the need for careful risk assessment.
Yao et al. (2021) studied this question.
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