Abstract
Transjugular intrahepatic porto-systemic shunt (TIPS) is a new surgical treatment for portal hypertension, based on the transjugular catheter implantation of an expandable stent between the portal venous system and the systemic circulation in the liver. As it does not affect the anatomy of the splanchnic vascular bed, it may be used in patients waiting for liver transplants. It has been also proposed in the treatment of 'intractable' ascites and of the hepatorenal syndrome. TIPS may be visualized using ultrasound and its patency may be monitored by Doppler flowmetry within the shunt. Color Doppler makes the recording of the venous signal easier and considerably shortens the observation time. Our data, acquired from ten cirrhotic patients, confirm the dramatic fall of portal hypertension after TIPS, indicated by the reduction of the mean WHVP-FHVP gradient (−60%) and increase of the portal venous mean velocity at Doppler flowmetry (+39%).
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