3.When obstructed HVs were recanaled and stented, CDFI and pulsed Deppler showed marked changes of hepatic hemodynamics. The diameters of the stented HV were reduced from 12. 6±3. 2mm to 7. 8±1. 7mm instantly after oPerati0n (p<0. 05 ) and to 7. 6±1. 8mm one Wee after operation (p<0. 05).