Why the study?
Can a 1.5 T MRI of the brain be safely performed in a patient with an ICD using specific reprogramming and protocol precautions?
Can a 1.5 T MRI of the brain be safely performed in a patient with an ICD using specific reprogramming and protocol precautions?
This case demonstrates that 1.5 T MRI of the brain can be safely performed in a patient with an ICD under exceptional circumstances with specific reprogramming and protocol precautions.
May support feasibility of 1.5 T brain MRI in select ICD patients under strict protocols; leaves open generalizability pending prospective data.
Clinically indicated magnetic resonance imaging (MRI) of the brain was safely performed at 1.5 T on a patient with an implantable cardioverter defibrillator (ICD). The ICD was reprogrammed to detection only, and imaging hardware and protocols were modified to minimize radiofrequency power deposition to the ICD system. The integrity of the ICD system was verified immediately post-MRI and after 6 weeks, including an ICD test with induction of ventricular fibrillation. This case demonstrates that in exceptional circumstances, in carefully selected patients, and using special precautions, an MRI exam of the brain may be possible in patients with ICDs.
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Naehle et al. (2006) studied this question.
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