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Abstract #4146

Single-breath-hold whole heart coronary MRA using 3D turbo-field-echo-planar-imaging (TFEPI) with Compressed SENSE framework

Kazuo Kodaira1, Michinobu Nagao2, Masami Yoneyama3, Mana Kato1, Takumi Ogawa1, Yutaka Hamatani1, Isao Shiina1, Yasuhiro Goto1, and Shuji Sakai2
1Department of Radiological Services, Tokyo Woman's Medical University Hospital, Tokyo, Japan, 2Department of Diagnostic imaging & Nuclear Medicine, Tokyo Woman's Medical University Hospital, Tokyo, Japan, 3Philips Japan, Tokyo, Japan


Conventional whole-heart-coronary-magnetic-resonance-angiography (WHC-MRA) using NAV has a limitation of long scan time. Single-breath-hold-multi-shot-gradient-EPI can significantly reduce scan time of WHC-MRA, but it may be difficult depending on the gradient-spec of MRI-system. 3D-turbo-field-echo-planar-imaging (TFEPI) with Compressed-SENSE (C-SENSE) has the possibility to solve these problems. However, it is yet not applied for WHC-MRA. C-SENSE is suitable for subjects with a high sparse such as vessels, and can accelerate scan time of WHC-MRA while ensuring image quality. We propose a new combination of TFEPI with C-SENSE for single-breath-hold WHC-MRA, and examine image quality and scan time in comparison to the conventional methods.

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