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Abstract #1857

Heating of lead electrodes disconnected from sacral stimulator during routine lumbar and pelvic MRI at 1.5T with receive-only coil

Pallab K Bhattacharyya 1 , Howard Goldman 2 , Mark J Lowe 1 , Adrienne Quirouet 2 , and Stephen E Jones 1

1 Imaging Institute, Cleveland Clinic, Cleveland, OH, United States, 2 Glickman Urological Institute, Cleveland Clinic, Cleveland, OH, United States

RF heating testing during pelvic and lumbar scans of Medtronic Interstim II (Model 3058) implantable pulse generator (IPG) connected to Medtronic Quadipolar Nerve Stimulator Lead (Model 3889) at 1.5T Siemens Aera scanner with receive-only coils were performed. Temperatures of the electrodes were measured by using fiber optic sensors with fluoroptic monitoring with the IPG and lead placed inside an ASTM gel phantom. No electrode heating was observed when the lead was connected with the IPG in any of the scans, while considerable heating was observed when the IPG was disconnected and taken out of the phantom.

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