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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