Key result
MRI-conditional cardiac devices are increasingly important, as an estimated 53% to 64% of patients with implantable cardioverter-defibrillators will require an MRI over a 10-year period.
MRI-conditional devices are increasingly important as an estimated 53-64% of ICD patients will require an MRI over a 10-year period.
Scientific growth in the field of magnetic resonance imaging (MRI) and cardiac devices has been exponential in recent decades. Cardiac implantable electronic devices due to their ferromagnetic constituents in leads and device body have always been an issue if patients need MRI. MRI is relatively safe. Recent introduction of changes in leads and device body constituents renders them less ferromagnetic, making MRI less frightening to a certain extent. Simultaneously, there is increasing research interest in MRI. Not only anatomy and pathology but also physiology of cardiac and nervous structures can be imaged. It is estimated that 53%–64% of intracardiac defibrillator (ICD) patients will require an MRI determination over a 10-year time horizon, highlighting the importance of MRI-conditional devices for this patient population. In this article, we briefly describe evolution and current status of conditioning of cardiac devices to make them MRI-friendly and briefly discuss where we are in terms of our physician role with respect to MRI-conditional devices.
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Sethi et al. (2018) conducted a review in Patients with cardiac implantable electronic devices. MRI-conditional cardiac devices was evaluated. MRI-conditional cardiac devices are increasingly important, as an estimated 53% to 64% of patients with implantable cardioverter-defibrillators will require an MRI over a 10-year period.
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