The pressure in the portal venous system increases ... that the scoring of the portal flow rate with Doppler US findings correlated with the severity of hepatic VOD in young patients, 21 and ...

Absence of visualization or tortuosity of the hepatic veins at gray scale real-time ultrasonography and flow signals at Doppler imaging are common but not specific features, being also observed in ...

Figure 1. Figure 1. Catheterization of the Hepatic Veins. In animal experiments, a remarkable variation in hepatic blood flow has been observed, ranging in one study 11 from 40 to 160 cc.