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The role of duplex and colour Doppler ultrasound in the follow-up evaluation of transjugular intrahepatic portosystemic stent shunt (TIPSS)

¹ Department of Radiology, Royal Infirmary of Edinburgh, Lauriston Place, Edinburgh EH39YW, UK ² Department of Medicine, Royal Infirmary of Edinburgh, Lauriston Place, Edinburgh EH39YW, UK

Transjugular intrahepatic portosystemic stent shunt (TIPSS) is an effective means of controlling acute variceal haemorrhage. Shunt occlusion or stenosis occurs in up to 30% of patients within 6 months. It is important to detect these patients and intervene to prevent rebleeding. We have compared non-invasive Doppler ultrasound with the portal pressure gradient (PPG) at portography at 3 month follow-up in 23 patients. All patients with a shunt peak velocity greater than 90 cm s^–1 (7 of 17 analysable results) had normal shunt function at portography (PPG < 12 mmHg). Portography may therefore be avoided in this group, although the majority of patients will still require portography for TIPSS follow-up assessment.

Received for publication November 22, 1994. Revision received January 17, 1995. Accepted for publication January 30, 1995.

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