Related Experiment Video
Updated: Feb 12, 2026
08:12
Invasive Hemodynamic Monitoring of Aortic and Pulmonary Artery Hemodynamics in a Large Animal Model of ARDS
Published on: November 26, 2018
10.6K
Numerical zero-dimensional hepatic artery hemodynamics model for balloon-occluded transarterial chemoembolization
Jorge Aramburu1, Raúl Antón1,2, Alejandro Rivas1
1TECNUN Escuela de Ingenieros, Universidad de Navarra, P° Manuel Lardizabal 13, 20018, Donostia-San Sebastián, Spain.
Summary
Balloon-occluded transarterial chemoembolization (B-TACE) improves liver cancer treatment by redirecting blood flow. This study shows that communicating arteries play a key role in blood flow redistribution during B-TACE.
Area of Science:
- Interventional Radiology
- Medical Imaging
- Hemodynamics
Background:
- Balloon-occluded transarterial chemoembolization (B-TACE) is a key treatment for inoperable liver tumors.
- Effective B-TACE relies on understanding and managing blood flow redistribution via collateral circulation.
- Intra- and extrahepatic arterial collateral circulation significantly impacts treatment outcomes.
Purpose of the Study:
- To model and analyze blood flow redistribution in hepatic arteries during B-TACE.
- To investigate the role of communicating arcades (CAs) in blood flow dynamics.
- To assess the influence of CA diameter and catheter position on treatment efficacy.
Main Methods:
- Developed an in silico zero-dimensional hemodynamic model of hepatic artery geometry.
- Validated the model through in vitro experiments.
- Simulated B-TACE scenarios with varying cancer conditions, catheter locations, and CA diameters.
Main Results:
- Occluding a main hepatic artery triggers collateral circulation.
- Communicating arcades become crucial for redistributing blood flow.
- CA diameter significantly influences the extent of blood flow redistribution.
Conclusions:
- Numerical simulations offer a rapid and dependable method for analyzing B-TACE-induced blood flow changes.
- This modeling approach can aid in optimizing B-TACE planning for liver cancer patients.
- Understanding CA hemodynamics is vital for enhancing B-TACE effectiveness.
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