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Abstract #2680

Evaluate Relative Helicity of Aortic Flow for Marfan Syndrome by 4D Flow Phase Contrast MRI

Pin-Chen Chen1, Hsin-Hui Chiu2, Wen-Yih Isaac Tseng3, and Hsu-Hsia Peng4

1Institute of Systems Neuroscience, Hsinchu, Taiwan, 2Department of Pediatrics, Taipei, Taiwan, 3Center for Optoelectronic Biomedicine, Taipei, Taiwan, 4Department of Biomedical Engineering and Environmental Sciences, Hsinchu, Taiwan

We aim to evaluate relative helicity of aortic flow for patients with Marfan syndrome (MFS) by 4D flow phase-contrast MRI. An individual helicityAED mapping was composed to provide the information of the spatiotemporal distribution of relative helicity. The E sign represents the relative helicity cores shown in the early diastole whereas D sign represents the relative helicity core shown time-delayed and downstream. The A sign represents an additional relative helicity core other than D, E, or the normal single cores. MFS patients showed abnormal relative helicity core in helicityAED mapping, which provided promising approaches for patient managements in the future.

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