Simultaneous Z-shim method for reducing susceptibility artifacts with multiple transmitters

Magnetic Resonance in Medicine

Volumn 61, Issue 2, 2009, Pages 255-259

  Deng, Weiran ^a   Yang, Cungeng ^a   Alagappan, Vijayanand ^b,c   Wald, Lawrence L ^b   Boada, Fernando E ^d   Stenger, V Andrew ^a  

^a UNIVERSITY OF HAWAII   (United States)

^b MASSACHUSETTS GENERAL HOSPITAL   (United States)

^c Tufts University   (United States)

^d UNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE   (United States)

Author keywords

Brain imaging; Functional mri; Parallel transmission; Susceptibility artifacts; Z shim

Indexed keywords

BRAIN MAPPING; TRANSMITTERS;

BRAIN IMAGING; FUNCTIONAL MRI; INHOMOGENEITIES; MULTIPLE TRANSMITTERS; PARALLEL TRANSMISSION; RADIO FREQUENCY PULSE; SPECIFIC ABSORPTION RATE; SUSCEPTIBILITY ARTIFACTS;

SHIMS;

ANALYTIC METHOD; ARTICLE; ARTIFACT; CONTROLLED STUDY; HUMAN; IMAGE ANALYSIS; NORMAL HUMAN; NUCLEAR MAGNETIC RESONANCE IMAGING; RADIOFREQUENCY;

EID: 60549093767     PISSN: 07403194     EISSN: 15222594     Source Type: Journal    
DOI: 10.1002/mrm.21870     Document Type: Article

References (23)

1. Ogawa S, Menon RS, Tank DW, Kim SG, Merkle H, Ellermann JM, Ugurbil K. Functional brain mapping by blood oxygenation level-dependent contrast magnetic resonance imaging. Biophys J 1993;64:803-812.
2. Belliveau J, Kennedy D, McKinstry R, Buchbinder B, Weissk off R, Cohen M, Vevea J, Brady T, Rosen B. Functional mapping of the human visual cortex by magnetic resonance imaging. Science 1991;254:716-719.
3. Frahm J, Merboldt K-D, Hanicke W. The influence of the slice-selection gradient on functional MRI of human brain activation. J Magn Reson B 1994;103:91-93.
4. Constable R. Functional MR imaging using gradient-echo echo-planar imaging in the presence of large static field inhomogeneities. J Magn Reson Imaging 1995;5:746-752.
5. *-weighted images at high fields by gradient-echo slice excitation profile imaging. Magn Reson Med 1998;39:402-409.
6. Merboldt K-D, Finsterbusch J, Frahm J. Reducing inhomogeneity artifacts in functional MRI of human brain activation-thin slices vs gradient compensation. J Magn Reson 2000;145:184-191.
7. Wilson JL, Jezzard P. Utilization of an intra-oral diamagnetic passive shim in functional MRI of the inferior frontal cortex. Magn Reson Med 2003;50:1089-1094.
8. Hsu JJ, Glover GH. Mitigation of susceptibility-induced signal loss in neuroimaging using localized shim coils. Magn Reson Med 2005;53:243-248.
9. Cho Z, Ro Y. Reduction of susceptibility artifact in gradient-echo imaging. Magn Reson Med 1992;23:193-200.
10. Glover G, Lai S. Reduction of susceptibility effects in BOLD fMRI using tailored RF pulses. In: Proceedings of the 6th Annual Meeting of ISMRM, Sydney, Australia, 1998 (Abstract 298).
11. *-weighted functional MRI. Magn Reson Med 2000;44:525-531.
12. *-weighted functional magnetic resonance imaging. Magn Reson Med 2006;56:1050-1059.
13. Song AW. Single-shot EPI with signal recovery from the susceptibility-induced losses. Magn Reson Med 2001;46:407-411.
14. Heberlein KA, Hu X. Simultaneous acquisition of gradient-echo and asymmetric spin-echo for single-shot z-shim: Z-SAGA. Magn Reson Med 2004;51:212-216.
15. Yang Y, Gu H, Silbersweig DA, Stern E. Simultaneous perfusion and blood-oxygenation-level-dependent measurements using single-shot interleaved z-shim echo-planar imaging. Magn Reson Med 2005;53:1207-1211.
16. Truong TK, Song AW. Single-shot dual-z-shimmed sensitivity-encoded spiral-in/out imaging for functional MRI with reduced susceptibility artifacts. Magn Reson Med 2008;59:221-227.
17. Katscher U, Bornert P, Leussler C, van den Brink J. Transmit SENSE. Magn Reson Med 2003;49:144-150.
18. Zhu Y. Parallel excitation with an array of transmit coils. Magn Reson Med 2004;51:775-784.
19. Collins CM, Liu W, Swift BJ, Smith MB. Combination of optimized transmit arrays and some receive array reconstruction methods can yield homogeneous images at very high frequencies. Magn Reson Med 2005;54:1327-1332.
20. Zhang Z, Yip CY, Grissom W, Noll DC, Boada FE, Stenger VA. Reduction of transmitter B1 inhomogeneity with transmit SENSE slice-select pulses. Magn Reson Med 2007;57:842-847.
21. Zhu Y. RF power reduction with parallel excitation. In: Proceedings of the 12th Annual Meeting of ISMRM, Kyoto, Japan, 2004 (Abstract 331).
22. Pauly JM, Nishimura D, Macovski A. A k-space analysis of small-tip-angle excitation. J Magn Reson 1989;81:43-56.
23. Alagappan V, Nistler J, Adalsteinsson E, Setsompop K, Fontius U, Zelinski A, Vester M, Wiggins GC, Hebrank F, Renz W, Schmitt F, Wald LL. Degenerate mode band-pass birdcage coil for accelerated parallel excitation. Magn Reson Med 2007;57:1148-1158.