Methods Prior to TIPSS, 3D MR venography and 3D CT angiography of abdomen were performed in 10 patients and in 60 patients respectively, MR bolus tracking technique was used in two cases to measure velocity of portal vein.

• 方法 TIPSS术前 10例患者进行了三维MR血管造影 ,2例用MR团注技术测量门脉血流速度。 6 0例进行了三维CT血管造影。