ABSTRACT

In radıodiagnostic Clinic of İstanbul Training Hospital,between August and December of 2000, 25 case of liver cirrohis and control group which is composed of patients sent by the elinidans for non-liver caııses , had color Doppler ultrasonography exanıination.

In control group, no collateral vascularısation and portal thronıbosis was detected. In this group, during inspiration , portal vein dianıeter increased. Collateral vascularisation was detected in 24% of case group and, no increase in diameter of porral vein during inspiration in 48%. The directian of blood flow was hepatopedal all in the control group, but in case group 21% had hepatofugalflow.

Findings like increase in porta/ vein diameter (>12.5 mm), low porral veinve/ocity (<15 cm/see), high congestion index (>0.1 cm/sec) have high specifıty for portal hypertension (%100). Specifıcity valuesfor thatfindmgs are %70, 80% and 65%.

Color Doppler ultrasonography ıs very efficient, easily applicable, non-ini'Osive and cheap method in diagnosis and follow up of portal hypertension.