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Abstract #4972

Phase Contrast Magnetic Resonance Imaging using Non-contrast-enhanced Magnetic Resonance Angiography using Balanced Steady-State Free-Precession Sequence and Time-Spatial Labeling Inversion Pulse: Measuring Left Gastric Vein Flow Velocity to Predict Esophageal Varices Development and Rupture

Akihiro Furuta1, Hiroyoshi Isoda, Shigeshi Kohno, Koji Tokunaga, Ayako Ono, Rinpei Imamine, Rikiya Yamashita, Shigeki Arizono, Aki Kido, Naotaka Sakashita, and Kaori Togashi

1Kyoto University, Kyoto, Japan

LGV flow velocity is clinically important to foresee esophageal varices development and rupture. But it is difficult to measure it's velocity exactly by echo or only phase contrast MRI (PC-MRI). To measure LGV flow velocity, 2D PC-MRI were set perpendicularly across vessel segments in the cross-sectional slice position determined from 3D selective visualized LGV using non-contrast-enhanced MRA with balanced steady-state free-precession sequence and time-spatial labeling inversion pulse. LGV flow velocity of all subjects could be measured exactly. This method is useful to measure LGV flow velocity.

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