Abstract #4752

Toward single breath-hold whole-heart coverage compressed sensing MRI using VAriable spatial-temporal LAtin hypercube and echo-Sharing (VALAS)

Jingyuan Lyu¹, Yu Ding¹, Jiali Zhong², Zhongqi Zhang³, Lele Zhao³, Jian Xu¹, Qi Liu¹, Ruchen Peng², and Weiguo Zhang¹

¹UIH America Inc., Houston, TX, United States, ²Capital Medical University, Beijing LuHe Hospital, Beijing, China, ³Shanghai United Imaging Healthcare Co., Ltd, Shanghai, China

The main goal is to design and implement a sampling and reconstruction strategy that enables full heart coverage in a single breath-hold, with a relatively high spatial resolution (2.5 × 2.5 mm²) and temporal resolution (40 ms). The challenge in sampling pattern design is how to sample most efficiently. In this work, we present a 10 fold accelerated real‐time cardiac cine MRI pulse sequence using a combination of compressed sensing and parallel imaging.

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