Yin Wu1, Na Zhang1, Fan Yang1, Yucheng Chen2, Yiu-Cho Chung1
1Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Key Laboratory for MRI, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China; 2Cardiology Division, West China Hospital, Sichuan University, Chengdu, Sichuan, China
Real-time free-breathing cine imaging benefits LV function quantification of cardiac patients. Respiratory motion may mismatch thoracic positions of multiple slices in the cines and leads to errors in volumetric measurement. In this study, we proposed a simple but effective approach to identify ED and ES phases at end-expiration graphically from real-time free-breathing cines. Eight healthy volunteers were scanned using the real-time cine imaging and processed with the proposed method with conventional breath-hold cines as reference. Results showed that the real-time cine gave LV function measurements comparable to the standard protocol. The proposed method is an efficient way to analyze real-time cine.