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Abstract #1018

Effect of different driver power amplitudes on the measurement of liver stiffness in pediatric liver MR elastography

Dong Kyu Kim1, Kyunghwa Han2, Haesung Yoon3, Mi-Jung Lee3, and Hyun Joo Shin3
1Radiology, Armed Forces Capital Hospital, Seongnam, Korea, Republic of, 2Center for Clinical Imaging Data Science, Severance Hospital, Seoul, Korea, Republic of, 3Radiology, Severance Hospital, Seoul, Korea, Republic of

The standard driver power of magnetic resonance elastography (MRE) in pediatric patients is recommended to be reduced by 20–50%, compared to adult patients, to keep the patients from any injury due to the vibrating driver, however, there is limited published information on driver power of MRE in pediatric applications. Furthermore, there is lack of study to evaluate whether different amplitudes of driver power may affect the measurement of liver stiffness on pediatric MRE. In this abstract, we assessed the effect of different driver power amplitudes on the measurement of liver stiffness in pediatric liver MRE.

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