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Because magnetic resonance imaging (MRI)–conditional devices were not available until 2015, some patients with implantable cardioverter defibrillators (ICDs) have devices that the U.S. FDA considers to be incompatible with MRI scanners; such devices are known as non–MRI-conditional ICDs. Based on short-term outcome studies, the Centers for Medicare and Medicaid Services approved MRI scanning in patients with non–MRI-conditional ICDs in 2018. In the current single-center study, Johns Hopkins investigators prospectively evaluated long-term outcomes using ICD interrogations immediately after imaging in a 1.5-Tesla MRI scanner and then every 6 months thereafter in 643 patients with non–MRI-conditional ICDs.
After a median follow-up of 2.2 years,…