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Abstract #0024

Free-Breathing Cardiac Cine MRI with Compressed Sensing Real-Time Imaging and Respiratory Motion Correction: Initial Pediatric Experience

Jianing Pang1, Pedro Itriago Leon2, Xiaoming Bi3, Gary McNeal1, Christoph Forman4, Christianne Leidecker1, Maria M Pereyra5, and Prakash M Masand5
1Siemens Medical Solutions USA Inc., Chicago, IL, United States, 2Siemens Medical Solutions USA Inc., Houston, TX, United States, 3Siemens Medical Solutions USA Inc., Los Angeles, CA, United States, 4Siemens Healthcare, Erlangen, Germany, 5Texas Children's Hospital, Houston, TX, United States


Cardiac cine MRI plays an important role in evaluating cardiac function. The conventional technique, 2D segmented acquisition with retrospective electrocardiogram gating, requires breath-holding and therefore is challenging for many types of patients such as young children. In this work, we report our initial experience of a recently developed free-breathing cardiac cine MRI technique on pediatric patients undergoing routine CMR. Our results showed that the proposed technique, based on compressed sensing real-time imaging and respiratory motion correction, produced comparable quantitative LV measurements and image quality to the reference breath-hold technique in a wide range of patient sizes and ages.

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