Key result
Stratifying diverse MRI experiments demonstrates equal temperature spread in a radiofrequency power versus B1+rms comparison near implanted conductive devices.
Design
Editorial
This letter discusses methodological concerns regarding RF shimming instructions and experimental parameter control in evaluating MRI-induced heating of implanted devices.
We1Response to Authors’ Reply to Comments received Oct. 8, 2025. Complete correspondence appears in the March 2026 issue. thank the authors [1] for their response. This final reply focuses on three key sentences: 1)The following incorrect statement: “there are no user-controlled RF shimming instructions in the implant safety labeling.” 2)The consequences of not controlling, nor documenting, experimental parameters with variable impact on the results: “The scanner was allowed to make all of the RF adjustments automatically to avoid user induced variation.” 3)Stratifying the diverse experiments demonstrates equal temperature spread in a power vs B1+rms comparison: “We encourage the authors to view Fig. 4 and observe the vertical variation of RF power with RF coils for a given B1+rms.”
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Steckner et al. (2026) studied this question. Stratifying diverse MRI experiments demonstrates equal temperature spread in a radiofrequency power versus B1+rms comparison near implanted conductive devices.
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