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Measurement of the Hepatic Venous Pressure Gradient and Transjugular Liver Biopsy
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Three-Dimensional Transjugular Intrahepatic Portosystemic Shunt Geometry Predicts Shunt Dysfunction.

Carsten Meyer1, Markus Kimmann2, Katharina Böhm3

  • 1Department of Diagnostic and Interventional Radiology, University of Bonn, Bonn, Germany.

Alimentary Pharmacology & Therapeutics
|April 9, 2025
PubMed
Summary

Three-dimensional (3D) TIPS geometry predicts dysfunction. A longer cranial stent distance and increased stent curvature are linked to TIPS dysfunction, guiding procedural choices for better patient outcomes.

Keywords:
cirrhosisportal hypertensiontransjugular intrahepatic portosystemic shunt

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Area of Science:

  • Interventional Radiology
  • Hepatology
  • Medical Imaging

Background:

  • Patients with decompensated cirrhosis face risks of portal hypertension complications.
  • Transjugular intrahepatic portosystemic shunt (TIPS) insertion effectively reduces portal hypertension but carries a risk of dysfunction.
  • TIPS dysfunction can lead to serious complications, necessitating effective prediction methods.

Purpose of the Study:

  • To evaluate the prognostic value of three-dimensional (3D) Transjugular intrahepatic portosystemic shunt (TIPS) geometry in predicting TIPS dysfunction.
  • To identify specific geometric parameters of TIPS that correlate with the development of shunt dysfunction.

Main Methods:

  • A retrospective analysis of 107 patients who underwent TIPS insertion and subsequent computed tomography (CT) scans.
  • Utilized a semiautomated algorithm and multiplanar reconstructions to calculate 3D TIPS geometry parameters.
  • Employed Cox regression analyses to identify predictors of TIPS dysfunction, defined as the need for invasive revision.

Main Results:

  • Thirty-two patients (29.9%) developed TIPS dysfunction.
  • A greater distance from the cranial TIPS stent end to the inferior vena cava was significantly associated with TIPS dysfunction (HR 1.061).
  • Increased maximum stent curvature also independently predicted TIPS dysfunction (HR 1.020).

Conclusions:

  • Pronounced stent curvature and longer cranial stent distance from the inferior vena cava are independent predictors of TIPS dysfunction.
  • These findings suggest that interventionalists should aim for a more central and less curved TIPS tract during procedures.
  • Optimizing TIPS tract geometry can potentially reduce the incidence of TIPS dysfunction and improve patient management.