Abstract #5456

Safety of MRI on patients with abandoned/retained cardiac leads: Patient-derived simulation studies at 64MHz and 127MHz

Laleh Golestanirad¹, Amir Ali Rahsepar², Jeremy C Collins², Rod S Passman³, Giorgio Bonmassar⁴, Boris Keil⁵, James C Carr², and Lawrence L Wald¹

¹Massachusetts General Hospital, Charlestown, MA, United States, ²Radiology, Northwestern University, Chicago, IL, United States, ³Medicine, Northwestern University, ⁴Radiology, Massachusetts General Hospital, Charlestown, MA, United States, ⁵Life Science Engineering, Mittelhessen University of Applied Sciences (THM), Giessen, Germany

Despite the tremendous effort to develop MRI safety protocols to reduce complications in patients with cardiac implantable electronic devices with intact leads, almost nothing is known about the variation and extent of RF heating in patients with fractured or abandoned leads. Here we report the preliminary results of the first systematic simulation study of RF-induced SAR amplification at and around abandoned cardiac leads in patients undergoing MRI at 1.5 T and 3.0 T with different imaging landmarks.

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