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- Michael Markl, Scott B Reeder, Frandics P Chan, Marcus T Alley, Robert J Herfkens, and Norbert J Pelc.
- Department of Radiology, Stanford University, Lucas MRI/S Center, 1201 Welch Rd, Rm P 284, Palo Alto, CA 94304, USA. markl@s-word.stanford.edu
- Radiology. 2004 Mar 1; 230 (3): 852-61.
AbstractTagging with balanced steady-state free-precession (SSFP) magnetic resonance (MR) imaging by using a steady-state storage scheme for myocardial motion analysis was evaluated. Signal-to-noise ratio (SNR), blood-tissue contrast, and tag persistence in volunteers and phantoms showed improved performance of SSFP imaging with tagging compared with that of radiofrequency spoiled gradient-echo (SPGR) MR imaging with tagging. Choice of flip angle with SSFP imaging involved a trade-off among SNR, blood-tissue contrast, and tag persistence. Increased SNR and tag persistence can be achieved simultaneously with SSFP imaging compared with SPGR tagging methods. As a result, the proposed technique may be useful for analysis of diastolic ventricular function.Copyright RSNA, 2004
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