Predicting the risk of post-hepatectomy portal hypertension using a digital twin: A clinical proof of concept

N Golse, F Joly, P Combari, M Lewin, Q Nicolas… - Journal of …, 2021 - Elsevier
Background & Aims Despite improvements in medical and surgical techniques, post-
hepatectomy liver failure (PHLF) remains the leading cause of postoperative death. High …

Organ‐PAM: photoacoustic microscopy of whole‐organ multiset vessel systems

J Zhang, D Peng, W Qin, W Qi, X Liu… - Laser & Photonics …, 2023 - Wiley Online Library
Organs maintain their unique functions through a variety of distinctive vessel systems.
However, examination of multiset vessels over the entire organ still remains challenging due …

Global sensitivity analysis of hepatic venous pressure gradient (HVPG) measurement with a stochastic computational model of the hepatic circulation

T Wang, F Liang, Z Zhou, X Qi - Computers in Biology and Medicine, 2018 - Elsevier
Hepatic venous pressure gradient (HVPG) is a widely employed surrogate of portal pressure
gradient (PPG) in the diagnosis of portal hypertension (PHT). However, little is known about …

Anatomically based simulation of hepatic perfusion in the human liver

R Ma, P Hunter, W Cousins, H Ho… - … journal for numerical …, 2019 - Wiley Online Library
Liver structures of a healthy subject are digitised and segmented from computed
tomography (CT) images, and hepatic perfusion is modelled in the hepatic artery and portal …

[HTML][HTML] Multiscale reconstruction of various vessels in the intact murine liver lobe

Q Zhang, A Li, S Chen, J Yuan, T Jiang, X Li… - Communications …, 2022 - nature.com
The liver contains a variety of vessels and participates in miscellaneous physiological
functions. While past studies generally focused on certain hepatic vessels, we …

Model Assisted Analysis of the Hepatic Arterial Buffer Response During Ex Vivo Porcine Liver Perfusion

D Becker, M Hefti, MJ Schuler… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Objective: The hepatic arterial buffer response is a well-known phenomenon in hepatic
circulation, describing the response of hepatic arterial resistance to changes in portal vein …

[HTML][HTML] Influences of anatomorphological features of the portal venous system on postsplenectomy hemodynamic characteristics in patients with portal hypertension …

T Wang, Z Zhou, F Liang - Frontiers in Physiology, 2021 - frontiersin.org
Splenectomy, as an effective surgery for relieving complications caused by portal
hypertension, is often accompanied by a significantly increased incidence of postoperative …

[HTML][HTML] Examining temporal changes in model-optimized parameters using longitudinal hemodynamic measurements

NL Bjørdalsbakke, J Sturdy, U Wisløff… - BioMedical Engineering …, 2024 - Springer
Background We previously applied hemodynamic data to personalize a mathematical model
of the circulation expressed as physically interpretable parameters. The aim of this study …

A computational model-based study on the exchangeability of hepatic venous pressure gradients measured in multiple hepatic veins

T Wang, F Liang, L Li, W Zhang, G Wang… - Medical Engineering & …, 2020 - Elsevier
Hepatic venous pressure gradient (HVPG) is a hemodynamic index widely used for
evaluating the severity of portal hypertension. Theoretically, HVPG can be measured in any …

Predicting the risk of postsplenectomy thrombosis in patients with portal hypertension using computational hemodynamics models: a proof-of-concept study

T Wang, F Liang, G Song, J Guan, Z Zhou - Clinical Biomechanics, 2022 - Elsevier
Background The high incidence of thrombosis in the portal venous system following
splenectomy (a frequently adopted surgery for treating portal hypertension in patients with …