Abstract #2747

Role of free-breathing motion-corrected phase-sensitive inversion recovery (MOCO-PSIR) imaging technique for the assessment of late gadolinium enhancement

Yinyin Chen¹, Shan Yang¹, Hong Yun¹, Xiaoming Bi², Caixia Fu³, Hang Jin¹, and Mengsu Zeng¹

¹Department of Radiology, Zhongshan Hospital, Fudan University, Department of Medical Imaging, Shanghai Medical school, Fudan University and Shanghai Institute of Medical Imaging, Shanghai, People's Republic of China, ²MR Research and Development, Siemens Healthcare, Los Angeles, CA, United States, ³Application development, Siemens Shenzhen Magnetic Resonance Ltd., Shenzhen, People's Republic of China

We aimed to investigate the role of motion-corrected phase-sensitive inversion recovery (MOCO-PSIR) technology for the evaluation of LGE. LGE imaging was conducted in 55 patients with MOCO-PSIR and conventional breath-hold PSIR sequences ‎successively. Image quality was scored using a four-point scale. Compared with conventional PSIR, MOCO-PSIR showed better image quality and detected larger LGE volumes in nonischemic cardiomyopathy. Free-breathing motion-corrected PSIR method is a promising alternative to conventional PSIR sequence.

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