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Abstract #2267

Biventricular flow components assessed with 4-dimensional flow cardiac magnetic resonance in patients with pulmonary hypertension

Min Liu1, Xincao Tao2, Jing An3, Ning Jin4, and Fan Lin5
1Radiology, China-Japan Friendship Hospital, Beijing, China, 2Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China, 3Siemens Shenzhen Magnetic Resonance Ltd, Siemens Shenzhen Magnetic Resonance Ltd, Shen Zhen, China, 4Siemens Medical Solution, Siemens Medical Solution, Chicago, IL, United States, 5Department of Cardiovascular surgery, China-Japan Friendship Hospital, Beijing, China

Using 4D FLOW CMR, flow components including percent of direct flow (PDF), retained inflow (PRI), delayed ejection flow (PDE) and residual volume (PRV) of bi-ventricles in patients with PH were quantified. Compared with non-PH patients, flow components had significantly alterations. RV PDF and PRV significantly correlated with RVEDV, RSV, RVEF and RV mass as well as NT-proBNP. Moreover, RV PDF and PVR correlated with pulmonary artery pressure and PVR. We think that 4D flow CMR may become a powerful surrogate for the future PH studies

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