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Updated: Oct 3, 2026

Invasive Hemodynamic Characterization of the Portal-hypertensive Syndrome in Cirrhotic Rats
09:37

Invasive Hemodynamic Characterization of the Portal-hypertensive Syndrome in Cirrhotic Rats

Published on: August 1, 2018

[MR-angiography in portal hypertension. State of the art]

R Vosshenrich1, U Fischer, E Grabbe

  • 1Abt. Röntgendiagnostik I, Klinikum der Georg-August-Universität, Robert-Koch-Strasse 40, 37075 Göttingen. roe1@med.uni-goettingen.de

Der Radiologe
|November 22, 2001
PubMed

Insights

Contrast-enhanced 3D MR angiography (CE-3D MRA) is the preferred imaging method for diagnosing portal hypertension. This technique offers clear visualization of the portal venous system and shunts, aiding surgical planning and follow-up.

Area of Science:

  • Radiology and Medical Imaging
  • Vascular Imaging
  • Hepatology

Context:

  • Portal hypertension diagnosis often involves non-invasive imaging alternatives like colour-coded sonography and CT angiography.
  • Fast CE 3D-MRA has emerged as the leading imaging modality for patients with portal hypertension.

Purpose:

  • To evaluate the utility of CE-3D MRA in diagnosing and managing portal hypertension.
  • To assess the role of TOF and PC techniques in conjunction with CE-3D MRA for blood flow analysis.

Summary:

  • CE-3D MRA provides clear visualization of the portal venous system and portosystemic shunts.
  • Additional use of Time-of-Flight (TOF) and Phase Contrast (PC) techniques allows for assessment of blood flow velocity and direction.
  • This modality is valuable for preoperative planning (liver transplantation, shunt surgery) and postoperative follow-up of interventions.

Impact:

  • CE-3D MRA simplifies patient consent and can reduce complications and surgery duration.
  • It enables precise evaluation of hemodynamically significant pathologies such as vascular thromboses, stenoses, and occlusions.
  • Facilitates improved patient management and outcomes in portal hypertension cases.

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