B0 shimming for in vivo magnetic resonance spectroscopy: Experts' consensus recommendations

Christoph Juchem; Cristina Cudalbu; Robin A. de Graaf; Rolf Gruetter; Anke Henning; Hoby P. Hetherington; Vincent O. Boer

doi:10.1002/nbm.4350

journal article Jun 28, 2020

B0 shimming for in vivo magnetic resonance spectroscopy: Experts' consensus recommendations

Christoph Juchem

Cristina Cudalbu

Robin A. de Graaf

Rolf Gruetter Anke Henning

Hoby P. Hetherington Vincent O. Boer

NMR in Biomedicine Vol. 34 No. 5 · Wiley

View at Publisher Save 10.1002/nbm.4350

Abstract

Magnetic resonance spectroscopy (MRS) and spectroscopic imaging (MRSI) allow the chemical analysis of physiological processes in vivo and provide powerful tools in the life sciences and for clinical diagnostics. Excellent homogeneity of the static B0 magnetic field over the object of interest is essential for achieving high‐quality spectral results and quantitative metabolic measurements. The experimental minimization of B0 variation is performed in a process called B0 shimming. In this article, we summarize the concepts of B0 field shimming using spherical harmonic shimming techniques, specific strategies for B0 homogenization and crucial factors to consider for implementation and use in both brain and body. In addition, experts' recommendations are provided for minimum requirements for B0 shim hardware and evaluation criteria for the primary outcome of adequate B0 shimming for MRS and MRSI, such as the water spectroscopic linewidth.

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Metrics

90

Citations

90

References

Details

Published: Jun 28, 2020
Vol/Issue: 34(5)
License: View

Authors

C

Christoph Juchem

Departments of Biomedical Engineering and Radiology Columbia University New York New York

C

Cristina Cudalbu

Centre d'Imagerie Biomedicale (CIBM) Ecole Polytechnique Fédérale de Lausanne (EPFL) Lausanne Switzerland

R

Robin A. de Graaf

Department of Radiology and Biomedical Imaging Yale University New Haven Connecticut

R

Rolf Gruetter

Laboratory for Functional and Metabolic Imaging, Center for Biomedical Imaging Ecole Polytechnique Federale de Lausanne Lausanne Switzerland

A

Anke Henning

Advanced Imaging Research Center University of Texas Southwestern Medical Center Dallas Texas; Max Planck Institute for Biological Cybernetics Tuebingen Germany

H

Hoby P. Hetherington

Department of Radiology University of Pittsburgh Pittsburgh Pennsylvania

V

Vincent O. Boer

Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research Copenhagen University Hospital Hvidovre Hvidovre Denmark

Funding

Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung Award: 310030_173222/1

Centre d'Imagerie BioMédicale Award: UNIL, UNIGE, HUG, CHUV, EPFL, and Leenaards and Je

Cite This Article

Christoph Juchem, Cristina Cudalbu, Robin A. de Graaf, et al. (2020). B0 shimming for in vivo magnetic resonance spectroscopy: Experts' consensus recommendations. NMR in Biomedicine, 34(5). https://doi.org/10.1002/nbm.4350

B0 shimming for in vivo magnetic resonance spectroscopy: Experts' consensus recommendations

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