Potential and feasibility of parallel MRI at high field

Florian Wiesinger, Pierre Francois Van de Moortele, Gregor Adriany, Nicola De Zanche, Kamil Ugurbil, Klaas P. Pruessmann

Research output: Contribution to journalArticlepeer-review

94 Scopus citations


This survey focuses on the fusion of two major lines of recent progress in MRI methodology: parallel imaging with receiver coil arrays and the transition to high and ultra-high field strength for human applications. As discussed in this paper, combining the two developments has vast potential due to multiple specific synergies. First, parallel acquisition and high field are highly complementary in terms of their individual advantages and downsides. As a consequence, the joint approach generally offers enhanced flexibility in the design of scanning strategies. Second, increasing resonance frequency changes the electrodynamics of the MR signal in such a way that parallel imaging becomes more effective in large objects. The underlying conceptual and theoretical considerations are reviewed in detail. In further sections, technical challenges and practical aspects are discussed. The feasibility of parallel MRI at ultra-high field is illustrated by current results of parallel human MRI at 7 T.

Original languageEnglish (US)
Pages (from-to)368-378
Number of pages11
JournalNMR in biomedicine
Issue number3
StatePublished - May 2006


  • 7T
  • High field
  • Parallel imaging
  • SNR

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