T1 and T2 effects during radio-frequency pulses in spoiled gradient echo sequences

Journal of Magnetic Resonance

Volumn 197, Issue 2, 2009, Pages 213-218

  Boulant, Nicolas ^a  

^a DIF   (France)

Author keywords

Magnetic resonance imaging; Relaxation; RF pulses; Spoiled gradient echo sequences

Indexed keywords

MAGNETIC RESONANCE IMAGING; MAGNETIZATION;

GRADIENT ECHO SEQUENCES; MAGNETIZATION VECTOR; RADIO FREQUENCY PULSE; RELAXATION; RELAXATION EFFECT; RF PULSE; STATIC MAGNETIC FIELDS; STEADY STATE SIGNAL;

RADIO WAVES;

PROTON; WATER;

ALGORITHM; ARTICLE; CHEMISTRY; ELECTROMAGNETIC FIELD; METHODOLOGY; MICROWAVE RADIATION; NUCLEAR MAGNETIC RESONANCE IMAGING; STATISTICS;

ALGORITHMS; ELECTROMAGNETIC FIELDS; MAGNETIC RESONANCE IMAGING; MICROWAVES; PROTONS; WATER;

EID: 62149096134     PISSN: 10907807     EISSN: 10960856     Source Type: Journal    
DOI: 10.1016/j.jmr.2008.12.023     Document Type: Article

References (30)

1. 1 destructive interferences and spatial phase patterns at 7 T with a head transceiver array coil. Magn. Reson. Med. 54 (2005) 1503-1518
2. Yang Q.X., Wang J., Zhang X., Collins C.M., Smith M.B., Liu H., Zhu X.H., Vaughan J.T., Ugurbil K., and Chen W. Analysis of wave behavior in lossy dielectric samples at high field. Magn. Reson. Med. 47 (2002) 982-989
3. 1 inhomogeneity at 3 T. Magn. Reson. Med. 53 (2005) 479-484
4. Saekho S., Yip C.-Y., Noll D.C., Boada F.E., and Stenger V.A. Fast-kz three-dimensional tailored radiofrequency pulse for reduced B1 inhomogeneity. Magn. Reson. Med. 55 (2006) 719-724
5. P. Balchandani, J. Pauly, D. Spielman, Slice-selective tunable-flip adiabatic low peak-power excitation (STABLE) Pulse, in: Proceedings of the 16th Annual Meeting of the ISMRM, Toronto, CA, 2008, p. 225.
6. Boulant N., LeBihan D., and Amadon A. Strongly modulating pulses for counteracting RF inhomogeneity at high fields. Magn. Reson. Med. 60 (2008) 701-708
7. N. Boulant, D. Le Bihan, A. Amadon, Strongly modulating pulses: a new method for counteracting RF inhomogeneity at high fields, in: Proceedings of the 16th Annual Meeting of the ISMRM, Toronto, 2008, p. 232.
8. R.S. Staewen, A.J. Johnson, B.D. Ross, T. Parrish, H. Merkle, M. Garwood, 3-D flash imaging using a single surface coil and a new adiabatic pulse, BIR-4, Invest. Radiol. 25 (1990) 559-567.
9. Mao W., Smith M.B., and Collins C.M. Exploring the limits of RF-shimming for high-field MRI of the human head. Magn. Reson. Med. 56 (2006) 918-922
10. Collins C.M., Wang Z., Mao W., Fang J., Liu W., and Smith M.B. Array-optimized composite pulse for excellent whole-brain homogeneity in high-field MRI. Magn. Reson. Med. 57 (2007) 470-474
11. Vaughan T., DelaBarre L., Snyder C., Tian J., Akgun C., Shrivastava D., Liu W., Olson C., Adriany G., Strupp J., Andersen P., Gopinath A., Van de Moortele P.F., Garwood M., and Ugurbil K. 9.4 T human MRI: preliminary results. Magn. Reson. Med. 56 (2006) 1274-1282
12. Katscher U., Bornert P., Leussler C., and van den Brink J.S. Transmit SENSE. Magn. Reson. Med. 49 (2003) 144-150
13. Zhu Y. Parallel excitation with an array of transmit coils. Magn. Reson. Med. 51 (2004) 775-784
14. Grissom W., Yip C.-Y., Zhang Z., Stenger A., Fessler J.A., and Noll D.C. Spatial domain method for the design of RF pulses in multicoil parallel excitation. Magn. Reson. Med. 56 (2006) 620-629
15. Ullmann P., Junge S., Wick M., Seifert F., Ruhm W., and Hennig J. Experimental analysis of parallel excitation using dedicated coil setups and simultaneous RF-transmission on multiple channels. Magn. Reson. Med. 54 (2005) 994-1001
16. S.D. Wolff, J. Eng, R.S. Balaban, Magnetization transfer contrast: method for improving contrast in gradient-recalled-echo images, Radiology 179 (1991) 133-137.
17. de Graaf R.A. In Vivo NMR Spectroscopy, Principles and Techniques (1998), Wiley and Sons, New York
18. Torrey H.C. Transient nutations in nuclear magnetic resonance. Phys. Rev. 76 (1949) 1059-1068
19. Abragam A. Principles of Nuclear Magnetism (2002), University Press, Oxford
20. Le Roux P. Simplified model and stabilization of SSFP sequences. J. Magn. Reson. 163 (2003) 23-37
21. 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 T setup. Magn. Reson. Imaging 10 (2004) 1343-1359
22. Bernstein M.A., King K.F., and Zhou X.J. Handbook of MRI Pulse Sequences (2004), Elsevier Academic Press, London
23. Haacke E.M., Brown R.W., Thompson M.R., and Venkatesan R. Magnetic Resonance Imaging, Physical Principles and Sequence Design (1999), Wiley and Sons, New York
24. A. Amadon, N. Boulant, in: Proceedings of the 16th Annual Meeting of the ISMRM, Toronto, 2008, p. 1248.
25. Bottomley P.A., Foster T.H., Argsersinger R.E., and Pfeifer L.M. A review of normal tissue hydrogen NMR relaxation times and relaxation mechanisms from 1 to 100 MHz: dependence on tissue type, NMR frequency, temperature, species, excision, and age. Med. Phys. 11 (1984) 425-448
26. Fischer H.W., Rinck P.A., Haverbeke Y.V., and Muller R.N. Nuclear relaxation of human gray and white matter: analysis of field dependence and implications for MRI. Magn. Reson. Med. 16 (1990) 317-334
27. Li Jr. S., and Khaneja N. Control of inhomogeneous quantum ensembles. Phys. Rev. A 73 (2006) 030302
28. Pike G.B. Pulsed magnetization transfer contrast in gradient echo imaging: a two-pool analytic description of signal response. Magn. Reson. Med. 36 (1996) 95-103
29. Sled J.G., and Pike G.B. Quantitative imaging of magnetization transfer exchange and relaxation properties in vivo using MRI. Magn. Reson. Med. 46 (2001) 923-931
30. Yarnykh V.L. Actual flip-angle imaging in the pulsed steady state: a method for rapid three-dimensional mapping of the transmitted radiofrequency field. Magn. Reson. Med. 57 (2007) 192-200