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Abstract #2517

Free breathing three-dimensional steady-state free procession (SSFP) non-contrast enhanced coronary magnetic resonance angiography at 3T: comparison to gradient-echo sequence

Yuki Ohmoto-Sekine 1 , Junji Takahashi 2 , Kei Fukuzawa 2 , Atsushi Takemura 3 , Hiroshi Tsuji 1 , and Yasuji Arase 1

1 Health Management Center, Toranomon Hospital, Tokyo, Japan, 2 Radiology Dept., Toranomon Hospital, Tokyo, Japan, 3 Philips Electronics Japan, Tokyo, Japan

Although steady state free procession (SSFP) has been accepted as the method of choice for coronary magnetic resonance angiography (CMRA) at 1.5 T, whether SSFP is suitable for CMRA at a high field strength remains uncertain. We conducted a feasibility study three-dimensional free breathing non contrast CMRA using between SSFP and fast gradient-echo imaging (FGRE) techniques using a 3T commercial scanner. The resulting measurable improvements in the image quality using non-contrast SSFP coronary MRA performed using 3T commercial scanner are likely to lead to more accepted clinical applications.

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