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Hemodynamic comparisons of different shunt positions and geometrical model simplification strategies in the simulation of transjugular intrahepatic portosystemic shunt (TIPS).
Sci Rep
December 2024
School of Gongli Hospital Medical Technology, University of Shanghai for Science and Technology, No. 516 Jungong Road, Yangpu District, Shanghai, 200093, China.
Transjugular intrahepatic portosystemic shunt (TIPS) is a widely used surgery for portal hypertensive patients, whose potential postoperative complications are closely related to the hemodynamic condition of the portal venous system. The selection of shunt position in the surgery may affect the postoperative hemodynamics; however, it is difficult for clinical studies to investigate the influence. Therefore, this study aims to employ the computational model simulating TIPS to compare the hemodynamic differences resulting from different shunt positions, and also to investigate the influences of different geometrical model simplification strategies used in the TIPS simulation.
View Article and Find Full Text PDFTransjugular Intrahepatic Portosystemic Shunt (TIPS) Check and Revision in a Freestanding Outpatient Facility: Safety and Efficacy.
Cureus
November 2024
Division of Interventional Radiology, Columbia University Irving Medical Center, New York, USA.
Aim This study aims to evaluate the safety and efficacy of transjugular intrahepatic portosystemic shunt (TIPS) check and revision procedures performed in a freestanding interventional radiology (IR) outpatient facility. Methodology A total of 40 patients (male 31:female 9, median age 60 years old) underwent a TIPS check and/or revision at a freestanding IR outpatient facility between 2009 and 2017. Procedures were performed using a mobile C-arm unit under intravenous (IV) moderate sedation, with the patient discharged home on the same day.
View Article and Find Full Text PDFPost-Transjugular Intrahepatic Portosystemic Shunt Right Atrial Pressure and Left Atrial Volume Index Predict Heart Failure and Mortality: Dual Center Experience.
Am J Gastroenterol
November 2024
Division of Gastroenterology and Hepatology, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
Introduction: Heart failure (HF) after transjugular intrahepatic portosystemic shunt (TIPS) placement affects up to 20% of patients. Understanding factors associated with post-TIPS HF is critical. Cirrhotic cardiomyopathy (CCM) is associated with adverse clinical outcomes.
View Article and Find Full Text PDF"Bottoms-up" portal venous recanalization TIPS (PVR-TIPS) utilizing a re-entry catheter.
CVIR Endovasc
December 2024
Department of Gastroenterology, Medical University Innsbruck, Anichstrasse 35, Innsbruck, 6020, Austria.
Background: Three patients with portal hypertension and gastrointestinal bleeding due to non-cirrhotic portal vein thrombosis were treated with portal venous recanalization transjugular intrahepatic portosystemic shunt (PVR-TIPS) via a trans-splenic access.
Main Body: A "bottoms-up" retrograde puncture of the right hepatic vein was performed using a re-entry catheter to gain access to the right hepatic vein. In all patients a successful retrograde puncture of the right hepatic vein was achieved, thereby restoring the splenoportal tract.
Fine-Needle Portosystemic Pressure Gradient as a Reference for Portal Hypertension in Patients with Intrahepatic Venovenous Shunt: A Prospective Study.
J Vasc Interv Radiol
December 2024
Department of Interventional Radiology, Zhongshan Hospital, Fudan University; National Clinical Research Center for Interventional Medicine, Zhongshan Hospital, Fudan University; Shanghai Institution of Medical Imaging, Fudan University. Electronic address:
Purpose: To evaluate the consistency and agreement between portal venous pressure measured by fine-needle (F), portal vein catheterization (D), and hepatic vein balloon-occlusion (W) in decompensated cirrhotic patients with intrahepatic venovenous shunts (IHVS).
Materials And Methods: 156 consecutive patients planning to receive transjugular intrahepatic portosystemic shunt in our center were screened for study participation. The F/D/W were assessed for consistency by Pearson coefficient (r), linear regression coefficient (R), and intraclass correlation coefficient (ICC), and for disagreement (error exceeding 20% of D) by Bland-Altman method.
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