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  • Title: Venographic Analysis of Portal Flow After TIPS Predicts Future Shunt Revision.
    Author: Chien A, Wang YL, McWilliams J, Lee E, Kee S.
    Journal: AJR Am J Roentgenol; 2018 Sep; 211(3):684-688. PubMed ID: 30085841.
    Abstract:
    OBJECTIVE: The purpose of this study was to investigate a new method-the portal vein enhancement curve-for quantifying portal vein blood flow immediately at transjugular intrahepatic portosystemic shunt (TIPS) creation using digital subtraction angiography images and its potential usefulness as a predictor of TIPS revision. CONCLUSION: The portal vein flow time constant, Qτ, was significantly different (p = 0.002) between patients grouped by 12-month revision (TIPS angioplasty, TIPS reduction, no revision); Qτ was higher in patients who required TIPS reduction.
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