Material and Methods: DIPS was created in swine by puncturing intrahepaic portal vein through retrohepatic segment of inferior vena cava (RHSIVC) guided by transcutaneous ultrasound.

• 材料和方法：在体表超声导引下，经猪的肝后段下腔静脉穿刺肝内门静脉，建立直接性门腔分流。