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Abstract #2696

Performance of Self-Calibrated Phase Contrast Correction in Pediatric and Congenital Cardiovascular MRI

Ana Beatriz Solana1, Erin A. Paul2, Ek Tsoon Tan3, Amee M. Shah2, Wyman W. Lai2, Christopher J. Hardy3, and Anjali Chelliah2

1GE Global Research, Garching bei Muenchen, Germany, 2Dept of Pediatrics, New York-Presbyterian Morgan Stanley Children's Hospital of New York, New York, NY, United States, 3GE Global Research, Niskayuna, NY, United States

Phase contrast (PC) MR flow measurements are affected by multiple sources of error, including background phase offsets. The gold-standard approach to correct these offsets involves repeating PC measurements on a static phantom, prolonging each CMR study and impeding exam workflow. Here, we compared the performance of a self-calibrated correction to static-phantom corrected PC data obtained from a pediatric and congenital heart disease population. Self-calibrated correction results showed strong agreement with phantom-corrected data for all vessel types and differed from static-phantom correction by a mean difference in Qp/Qs values of only 0.069.

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