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Evaluates specific absorption rate safety for passive conductive implants during seven-tesla cardiac MRI, helping guide exclusion criteria and approval policies.
The incomplete consensus regarding SAR safety in ultra-high-field MRI leads to a large variety of exclusion criteria for volunteer cohorts in the different centers, especially regarding the acceptance of conductive implants. Therefore, SAR analysis of new commercial transceiver arrays contributes to supplying local IRBs with information regarding the safety of human subjects. This study aimed to analyze SAR for a prototype of a new 8Tx/16Rx array for 7T cardiac MRI. The main goal was to analyze the array safety for human subjects with a different type of passive implant located outside of the array borders.
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Terekhov et al. (2024) studied this question.
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