Combined passive and active shimming for in vivo MR spectroscopy at high magnetic fields

Journal of Magnetic Resonance

Volumn 183, Issue 2, 2006, Pages 278-289

  Juchem, Christoph ^a   Muller Bierl, Bernd ^b   Schick, Fritz ^b   Logothetis, Nikos K ^a   Pfeuffer, Josef ^a,c  

^a MAX PLANCK INSTITUTE FOR BIOLOGICAL CYBERNETICS   (Germany)

^b UNIVERSITY OF TÜBINGEN   (Germany)

^c SIEMENS AG   (Germany)

Author keywords

Active shimming; Ferromagnetism; Field mapping; Magnetic susceptibility; Passive shimming

Indexed keywords

BRAIN; FERROMAGNETISM; MAGNETIC RESONANCE SPECTROSCOPY; MAGNETIC SUSCEPTIBILITY; METABOLITES; NUMERICAL METHODS;

ACTIVE SHIMMING; FIELD MAPPING; PASSIVE SHIMMING; SHIM FIELDS;

MAGNETIC FIELD EFFECTS;

ALGORITHM; ANIMAL; ARTICLE; BRAIN CORTEX; BRAIN LEVEL; CHEMISTRY; COMPUTER AIDED DESIGN; EQUIPMENT; EQUIPMENT DESIGN; INSTRUMENTATION; MACACA; MAGNETISM; METHODOLOGY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; REPRODUCIBILITY; SENSITIVITY AND SPECIFICITY;

ALGORITHMS; ANIMALS; BRAIN CHEMISTRY; CEREBRAL CORTEX; COMPUTER-AIDED DESIGN; EQUIPMENT DESIGN; EQUIPMENT FAILURE ANALYSIS; MACACA; MAGNETIC RESONANCE SPECTROSCOPY; MAGNETICS; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY;

MACACA;

EID: 33750966139     PISSN: 10907807     EISSN: 10960856     Source Type: Journal    
DOI: 10.1016/j.jmr.2006.09.002     Document Type: Article

References (32)

1. Vanhamme L., Sundin T., Hecke P.V., and Huffel S.V. MR spectroscopy quantitation: a review of time-domain methods. NMR Biomed. 14 (2001) 233-246
2. Mierisova S., and Ala-Korpela M. MR spectroscopy quantitation: a review of frequency domain methods. NMR Biomed. 14 (2001) 247-259
3. Stoyanova R., and Brown T.R. NMR spectral quantitation by principal component analysis. NMR Biomed. 14 (2001) 271-277
4. Romeo F., and Hoult D.I. Magnet field profiling: analysis and correcting coil design. Magn. Reson. Med. 1 (1984) 44-65
5. J.V.M. McGinley, V.C. Srivastava, G.D. DeMeester, Passive Shimming Technique for MRI Magnets, US patent 5,532,597, 1996.
6. B. Dorri, Method for Passively Shimming a Magnet, US patent 5,677,854, 1997.
7. G. Neuberth, Integral Passive Shim System for a Magnetic Resonance Apparatus, US patent 6,897,750 B2, 2005.
8. A. Jesmanowicz, V. Roopchansingh, R.W. Cox, P. Starewicz, W.F.B. Punchard, J.S. Hyde, Local Ferroshims Using Office Copier Toner. ISMRM, annual meeting 2001, Glasgow/Scotland.
9. A. Jesmanowicz, J.S. Hyde, W.F.B. Punchard, P.M. Starewicz, Method for Shimming a Static Magnetic Field in a Local MRI Coil, US patent 6,294,972 B1, 2001.
10. Hillenbrand D.F., Lo K.M., Punchard W.F.B., Reese T.G., and Starewicz P.M. High-order MR shimming: a simulation study of the effectiveness of competing methods, using an established susceptibility model of the human head. Appl. Magn. Reson. 29 (2005) 39-64
11. Wilson J.L., Jenkinson M., and Jezzard P. Optimization of static field homogeneity in human brain using diamagnetic passive shims. Magn. Reson. Med. 48 (2002) 906-914
12. Wilson J.L., and Jezzard P. Utilization of an intra-oral diamagnetic passive shim in functional MRI of the inferior frontal cortex. Magn. Reson. Med. 50 (2003) 1089-1094
13. Cusack R., Russell B., Cox S.M., De Panfilis C., Schwarzbauer C., and Ansorge R. An evaluation of the use of passive shimming to improve frontal sensitivity in fMRI. Neuroimage 24 (2005) 82-91
14. K.M. Koch, P.M. Brown, D.L. Rothman, R.A. De Graaf, Adjustable Subject-Specific Passive Shims using Optimized Distributions of Bismuth and Zirconium. ISMRM, annual meeting 2006, Seattle/USA.
15. Konzbul P., and Sveda K. Shim coils for NMR and MRI solenoid magnets. Meas. Sci. Technol. 6 (1995) 1116-1123
16. Brideson M.A., Forbes L.K., and Crozier S. Determining complicated winding patterns for shim coils using stream functions and the target-field method. Concepts Magn. Reson. 14 (2001) 9-18
17. Brideson M.A., Forbes L.K., and Crozier S. Winding patterns for actively shielded shim coils with asymmetric target-fields. Meas. Sci. Technol. 14 (2003) 484-493
18. Gruetter R., and Boesch C. Fast, noniterative shimming of spatially localized signals. In vivo analysis of the magnetic field along axes. J. Magn. Reson. 96 (1992) 323-334
19. Spielman D.M., Adalsteinsson E., and Lim K.O. Quantitative assessment of improved homogeneity using higher-order shims for spectroscopic imaging of the brain. Magn. Reson. Med. 40 (1998) 376-382
20. Chen Z., Li S.S., Yang J., Letizia D., and Shen J. Measurement and automatic correction of high-order B0 inhomogeneity in the rat brain at 11.7 Tesla. Magn. Reson. Imaging 22 (2004) 835-842
21. Ugurbil K., Adriany G., Andersen P., Chen W., Garwood M., Gruetter R., Henry P.G., Kim S.G., Lieu H., Tkac I., Vaughan T., Van De Moortele P.F., Yacoub E., and Zhu X.H. Ultrahigh field magnetic resonance imaging and spectroscopy. Magn. Reson. Imaging 21 (2003) 1263-1281
22. Gruetter R., Weisdorf S.A., Rajanayagan V., Terpstra M., Merkle H., Truwit C.L., Garwood M., Nyberg S.L., and Ugurbil K. Resolution improvements in in vivo 1H NMR spectra with increased magnetic field strength. J. Magn. Reson. 135 (1998) 260-264
23. Tkac I., Andersen P., Adriany G., Merkle H., Ugurbil K., and Gruetter R. In vivo 1H NMR spectroscopy of the human brain at 7 T. Magn. Reson. Med. 46 (2001) 451-456
24. Juchem C., Merkle H., Schick F., Logothetis N.K., and Pfeuffer J. Region and volume dependencies in spectral line width assessed by (1)H 2D MR chemical shift imaging in the monkey brain at 7 T. Magn. Reson. Imaging 22 (2004) 1373-1383
25. Pfeuffer J., Merkle H., Beyerlein M., Steudel T., and Logothetis N.K. Anatomical and functional MR imaging in the macaque monkey using a vertical large-bore 7 Tesla setup. Magn. Reson. Imaging 22 (2004) 1343-1359
26. Logothetis N.K., Guggenberger H., Peled S., and Pauls J. Functional imaging of the monkey brain. Nat. Neurosci. 2 (1999) 555-562
27. Pfeuffer J., Juchem C., Merkle H., Nauerth A., and Logothetis N.K. High-field localized (1)H NMR spectroscopy in the anesthetized and in the awake monkey. Magn. Reson. Imaging 22 (2004) 1361-1372
28. Cusack R., and Papadakis N. New robust 3-D phase unwrapping algorithms: application to magnetic field mapping and undistorting echoplanar images. Neuroimage 16 (2002) 754-764
29. Wen H., and Jaffer F.A. An in vivo automated shimming method taking into account shim current constraints. Magn. Reson. Med. 34 (1995) 898-904
30. Clare S., Evans J., and Jezzard P. Requirements for room temperature shimming of the human brain. Magn. Reson. Med. 55 (2005) 210-214
31. Muller-Bierl B., Graf H., Lauer U., Steidle G., and Schick F. Numerical modeling of needle tip artifacts in MR gradient echo imaging. Med. Phys. 31 (2004) 579-587
32. Muller-Bierl B., Graf H., Steidle G., and Schick F. Compensation of magnetic field distortions from paramagnetic instruments by added diamagnetic material: measurements and numerical simulations. Med. Phys. 32 (2005) 76-84