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RF power, B1+rms, and SAR variation with RF coils, conductive metallic implants, and ionic solutions at 1.5T and 3T

2026-01-05 radiology and imaging Title + abstract only
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Background and PurposeThe magnetic resonance imaging (MRI) access for patients with active and passive implants is limited by radiofrequency (RF) safety. The time-averaged root-mean-square RF field (B1+rms) and specific absorption rate (SAR) are being evaluated to monitor and control RF-induced heating near conductive metallic implants, such as deep brain stimulation (DBS) leads, during MRI. However, experimental methods to assess the relationship between RF power, B1+rms, and SAR are lacking fo...

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