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Abstract #3253

Myocardial Edema Imaging using Single-shot T2STIR Prepared bSSFP

Yanjie Zhu1, Dan Yang2, Yucheng Chen2, Dong Liang1, Xin Liu1, and Yiu-Cho Chung1

1Paul C. Lauterbur Research Centre for Biomedical Imaging, Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences, Shenzhen, People's Republic of China, 2Department of Cardiology, West China Hospital, Chengdu, People's Republic of China

STIR-TSE is useful in imaging myocardial edema. However, it is sensitivity to cardiac motion, resulting in myocardial inhomogeneity. T2p-bSSFP overcomes this issue, but averaging is commonly used to improve its contrast. We propose a novel single-shot imaging technique that generates "STIR like" contrast and improves contrast between edema and normal myocardium compared to T2p-bSSFP. The performance of the new sequence (T2STIR-bSSFP) was evaluated by phantom study and in patients with acute myocardial infraction. The results show that the average CNR of T2STIR-bSSFP between edema and myocardium was 1.9 times better than T2p-bSSFP.

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