Methods The blood flow in portal vein and hepatic artery were quantitively measured by color Doppler ultrasonography before and after surgery in 20 patients with obstructive jaundice.

• 方法应用彩色多普勒血流显像仪对20例梗阻性黄疸患者手术前后门静脉、肝固有动脉的血流进行测定。