Abstract #1990

Hemodynamic Evaluation for Idiopathic Pulmonary Artery Hypertension Patients Using 4D Flow MRI

Jiachen Ji¹, Xiaole Wang¹, Shuo Chen¹, Yin Guo^1,2, Yunduo Li¹, Yunlong Yue³, Rui Li¹, and Chun Yuan^1,4

¹Center for Biomedical Imaging Research, Department of Biomedical Engineering, Tsinghua University, Beijing, China, ²Lab of Imaging Processing and Analysis, Depart of Biomedical Engineering, Yale University, New Haven, CT, United States, ³Department of MR, Shijitan Hospital of Capital Medical University, Beijing, China, ⁴Vascular Imaging Laboratory, Department of Radiology, University of Washington, Seattle, WA, United States

We collected 4D flow MRI data and right heart catheterization (RHC) data from 20 idiopathic pulmonary artery hypertension (IPAH) patients and applied parameter analysis. The results indicate the difference of the flow characteristics in the main pulmonary artery (MPA) between the patients with right ventricle (RV) function loss and the patients with normal RV function. To conclude, 4D flow MRI is a good tool to detect hemodynamics and has the potential to assist in evaluating the state and the curative effect of IPAH.

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