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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