Steady state free precession

Studies on production, storage and quality control measures of dairy products including Cheddar, Brie, Danish Blue and Danish Harvarti cheeses, fromage frais and milk [72] 3 NMR imaging methods, i. e., 2-dimentional spin warp 3-dimentional missing pulse steady-state free precession and Dixon chemical shift resolved imaging sequences. [72]... 

The SRTS sequence consists of a preparatory pulse and an arbitrary long train of the phase-coherent RF pulses of the same flip angle applied with a constant short-repetition time. As was noted above, the "short time" in this case should be interpreted as the pulse spacing T within the sequence that meets the condition T T2 Hd. The state that is established in the spin system after the time, T2, is traditionally defined as the "steady-state free precession" (SSFP), ° and includes two other states (or sub-states) quasi-stationary, that exists at times T2effective relaxation time) and stationary, that is established after the time " 3Tie after the start of the sequence.The SSFP is a very particular state which requires a specific mechanism for its description. This mechanism was devised in articles on the basis of the effective field concept and canonical transformations. Later approaches on the basis of the average-Hamiltonian theory were developed. ... 

Nguyen TD, Spincemaille P, Vaidya A, Prince MR, Lu ZR, Wang Y. Biodegradable intravascular (Gd-DTPA)-cystamine copolymer for contrast-enhanced steady-state free precession magnetic resonance angiography comparison with MS-325 in a swine model. MolPharm 2006 3 558-565. 

Dufour I, Bittoun J, Idy-Peretti I, Jolivet O, Darrasse L, Di Paola R (1993) Implementation and optimization by the simplex method of a 3D double echo sequence in steady-state free precession. Magn Reson Imaging 11 87-93... 

Shinozaki K, Honda H, Yoshimitsu K et al (2002) Optimal multi-phase three-dimensional fast imaging with steady-state free precession dynamic MRI and its clinical application to the diagnosis of hepatocellular carcinoma. Radiat Med. 20 111-119... 

Taupitz M, Speidel A, Hamm B et al (1995) T2-weighted breath-hold MR imaging of the liver at 1.5 T results with a three-dimensional steady-state free precession sequence in 87 patients. Radiology 194 439-446... 

T2-weighted gradient-echo sequences with the steady-state free precession (SSFP) technique were initially usedby Wallner et al. (1991), Morimoto et al. (1992),HALL-CRAGGsetal. (1993), and IsmzAKiet al. (1993). Subsequently, other investigators have utilized two-dimensional (2D) and three-dimensional (3D) heavily T2-weighted fast spin-echo sequences... 

PVR perspective volume rendering SSFP steady-state free precession... 

A method for 3D MRSI has been demonstrated at 7T that utilises the Spectroscopic Missing Pulse - steady state free precession acquisition scheme. Modifications of previous implementations of the sequence at 3 T were required to comply with the limits of the specific absorption rate as well as to accommodate hardware limitations. The combination of two spatially selective radiofrequency pulses and a dual-band chemical shift selective radiofrequency pulse for simultaneous water and lipid suppression were used in fast 3D MRSI measurements in the brain of healthy volunteers. Signals from NAA, tCr, Cho, ml, and glutamate plus glutamine (Glx) were measured. ... 

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