Keywords: Safety, Safety, passive implants, 7T, high-field MRI
Motivation: Many sites use the GUFI recommendation for the inclusion of subjects with passive implants but it remains unclear how many subjects/implants have been scanned.
Goal(s): To report on our experience in clearing subjects with passive implants for research scans.
Approach: Screening forms were analyzed to identify all subjects with implants and/or tattoos cleared for imaging at our site.
Results: Over the past 18 years, 1131 out of 3567 volunteers had implants and/or tattoos and underwent a 7T MR examination. No findings regarding safety occurred, and all examinations could be safely performed.
Impact: This retrospective study shares an extensive experience in imaging subjects with small implants within the RF coil. For larger implants outside a minimum distance to the RF coil a history of safe use of the GUFI recommendations is also reported.
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