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

Synopsis

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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