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  • Title: [Carbon dioxide (CO2) as contrast medium for the new installation and follow-up of a TIPS].
    Author: Wilhelm K, Textor J, Strunk H, Brensing KA, Schüller H, Schild H.
    Journal: Rofo; 1997 Mar; 166(3):238-42. PubMed ID: 9156596.
    Abstract:
    PURPOSE: To determine the efficacy of CO2 as negative contrast medium compared with iodinated contrast medium in creation and control of TIPS. MATERIAL AND METHODS: CO2 was used during TIPS procedures in 33 patients. In 21 patients a wedged hepatic venography was obtained for planning the shunt tract. Additional TIPS-control DSA was performed in 42 cases by direct portal venography to verify the TIPS function and patency. In all cases CO2 gas was used in addition to iodinated contrast medium. RESULTS: CO2 produced excellent wedged hepatic venographies in all patients. Visualisation of the portal veins and collaterals was superior to iodinated contrast medium. The TIPS-control DSA performed with CO2 were comparable to those performed with iodinated contrast medium. Complications were not observed in our study. CONCLUSION: CO2 is an effective contrast medium for TIPS procedures. In particular the visualisation of portal veins performed by CO2-wedged hepatic venography is superior to iodinated contrast medium.
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