Abstract #2063

Acceleration of whole-heart coronary MR angiography using 3D non-selective bSSFP with Compressed SENSE

Kazuo Kodaira¹, Nagao Michinobu², Masami Yoneyama³, Isao Shiina¹, Yasuhiro Goto¹, Yoshihiro Ikeda¹, Yutaka Hamatani¹, Mamoru Takeyama¹, Isao Tanaka¹, and Shuji Sakai²

¹Department of Radiological Services, Tokyo Women's Medical University, Tokyo, Japan, ²Department of Diagnostic Imaging and Nuclear Medicine, Tokyo Women's Medical University, Tokyo, Japan, ³Philips Electronics Japan, Tokyo, Japan

Whole heart coronary magnetic resonance angiography (WHC-MRA) has a limitation of long scan time, which often causes degradation of image quality. 3D non-selective balanced TFE (bTFE) with shortening TR can reduce the scan time. However, it is yet not applied for WHC-MRA. Compressed SENSE (C-SENSE) is suitable for subjects with a high sparse such as vessels and biliary trees, and can accelerate the scan time of WHC-MRA while ensuring the image quality. We propose a new combination of 3D non-selective bTFE with C-SENSE for WHC-MRA, and examine the image quality and the scan time in comparison to the conventional methods.

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