NDLI: Multiple repetition time balanced steady-state free precession imaging

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Multiple repetition time balanced steady-state free precession imaging

Content Provider	Scilit
Author	Çukur, Tolga Nishimura, Dwight G.
Copyright Year	2009
Description	Journal: Magnetic Resonance in Medicine Although balanced steady-state free precession (bSSFP) imaging yields high signal-to-noise ratio (SNR) efficiency, the bright lipid signal is often undesirable. The bSSFP spectrum can be shaped to suppress the fat signal with scan-efficient alternating repetition time (ATR) bSSFP. However, the level of suppression is limited, and the pass-band is narrow due to its nonuniform shape. A multiple repetition time (TR) bSSFP scheme is proposed that creates a broad stop-band with a scan efficiency comparable with ATR-SSFP. Furthermore, the pass-band signal uniformity is improved, resulting in fewer shading/banding artifacts. When data acquisition occurs in more than a single TR within the multiple-TR period, the echoes can be combined to significantly improve the level of suppression. The signal characteristics of the proposed technique were compared with bSSFP and ATR-SSFP. The multiple-TR method generates identical contrast to bSSFP, and achieves up to an order of magnitude higher stop-band suppression than ATR-SSFP. In vivo studies at 1.5 T and 3 T demonstrate the superior fat-suppression performance of multiple-TR bSSFP.
Related Links	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2768767/pdf
Ending Page	204
Page Count	12
Starting Page	193
e-ISSN	15222594
DOI	10.1002/mrm.21990
Journal	Magnetic Resonance in Medicine
Issue Number	1
Volume Number	62
Language	English
Publisher	Wiley-Blackwell
Publisher Date	2009-05-15
Access Restriction	Open
Subject Keyword	Journal: Magnetic Resonance in Medicine Radiology, Nuclear Medicine and Imaging Repetition Time Fat Suppression Pulse Sequence
Content Type	Text
Resource Type	Article

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