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Abstract #1198

Analysis of the Hemodynamic Parameters of Patients with Pulmonary Arterial Hypertension by MR Phase-Contrast Imaging

Hung-Hsuan Wang1, Hsu-Hsia Peng2

1National Tsing Hua University, Hsinchu, Taiwan; 2National Tsing Hua University, Taiwan

Pulmonary arterial hypertension (PAH) is one of the five categories of pulmonary hypertension (PH). In previous study, hemodynamic parameters of patients with PH, measured by non-invasive phase-contrast magnetic resonance imaging (PC-MRI) and invasive catheterization methods, have been proved with high correlation coefficients. In this study, we aim to acquire windkessel volume (V_wk), acceleration time (T_acce), acceleration volume (V_acce), and other hemodynamic parameters to investigate differences between normal subjects and patients with PAH. Students t-test was used to comprehend the significance of the difference between normal subjects and PAH patients.