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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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