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Abstract #4479

Free breathing & Ungated Multi-Slice cardiac cine MRI using spiral-SToRM

Abdul Haseeb Ahmed1, Sunrita Poddar1, Stanley Kruger2, Prashant Nagpal3, Rolf Schulte4, and Mathews Jacob1

1Electrical Engineering, University of Iowa, Iowa city, IA, United States, 2Biomedical Engineering, University of Iowa, Iowa city, IA, United States, 3Radiology, University of Iowa Hospitals and Clinics, Iowa city, IA, United States, 4Healthcare, GE, Munich, Germany

The advantages of cardiac cine MRI are often limited by its long acquisition and breath-held requirement. To overcome these limitations, we have introduced a navigator based spiral SToRM to acquire free breathing and ungated cardiac cine MRI in a short acquisition time. Our algorithm is fully automated and does not depend on explicit binning. It gives improved image quality compared to the existing self-gated methods. Post-reconstructions, the time series can be processed to extract cardiac cycles at different respiratory phases, facilitating the estimation of anatomical and functional evaluation of the heart.

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