Interest in parallel transmission (pTx) continues to grow with many research groups investigating methods to increase channel count and applications on commercial MRI systems. It can be challenging, however, to integrate pTx hardware onto existing systems without disrupting normal operation. The present work successfully interposes a four-channel pTx system on an existing 3 T Siemens Prisma system and performs validation to demonstrate: (1) four-channel radiofrequency (RF) shimming; and (2) reduced RF heating in an electrically conductive implant.
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