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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