Publications related to Anastomosis

Computational Analysis of Turbulent Hemodynamics in Radiocephalic Arteriovenous Fistulas to Determine the Best Anastomotic Angles

Alfio Quarteroni, Christian Vergara

Background: Hemodynamics has been known to play a major role in the development of intimal hyperplasia leading to arteriovenous fistula failure. The goal of our study is to investigate the influence of different angles of side-to-end radiocephalic anastomo ...

ELSEVIER SCIENCE INC2020

Diffusion behavior of cerebral metabolites of congenital portal systemic shunt mice assessed noninvasively by diffusion-weighted H-1 magnetic resonance spectroscopy

Hongxia Lei, Nicolas Kunz, Masoumeh Dehghani Moghadam

Diffusion-weighted H-1-MRS (DW-MRS) allows for noninvasive investigation of the cellular compartmentalization of cerebral metabolites. DW-MRS applied to the congenital portal systemic shunt (PSS) mouse brain may provide specific insight into alterations of ...

2019

A 1D model of the arterial circulation in mice

Nikolaos Stergiopoulos, Lydia Aslanidou, Philippe Reymond, Bram Trachet, Patrick Segers

At a time of growing concern over the ethics of animal experimentation, mouse models are still an indispensable source of insight into the cardiovascular system and its most frequent pathologies. Nevertheless, reference data on the murine cardiovascular an ...

Spektrum Akademischer Verlag-Springer-Verlag Gmbh2016

Hemodynamic transition driven by stent porosity in sidewall aneurysms

Mohamed Farhat, Pierre Bouillot

The healing process of intracranial aneurysms (IAs) treated with flow diverter stents (FDSs) depends on the IA flow modifications and on the epithelization process over the neck. In sidewall IA models with straight parent artery, two main hemodynamic regim ...

Elsevier2015

Multi-time-lag PIV analysis of steady and pulsatile flows in a sidewall aneurysm

Mohamed Farhat, Pierre Bouillot

The effect of inflow waveform on the hemodynamics of a real-size idealized sidewall intracranial aneurysm (IA) model was investigated using particle imaging velocimetry (PIV). For this purpose, we implemented an error analysis based on several PIV measurem ...

Springer2014

Simulation-based uncertainty quantification of human arterial network hemodynamics

Alfio Quarteroni, Gianluigi Rozza, Peng Chen

This work aims at identifying and quantifying uncertainties from various sources in human cardiovascular system based on stochastic simulation of a one dimensional arterial network. A general analysis of different uncertainties and probability characteriza ...

Wiley-Blackwell2013

Patient-specific mean pressure drop in the systemic arterial tree, a comparison between 1-D and 3-D models

Nikolaos Stergiopoulos, Philippe Reymond, François Lazeyras

One-dimensional models of the systemic arterial tree are useful tools for studying wave propagation phenomena, however, their formulation for frictional losses is approximate and often based on solutions for developed flow in straight non-tapered arterial ...

Elsevier2012

Validation of a patient-specific one-dimensional model of the systemic arterial tree

Nikolaos Stergiopoulos, Philippe Reymond, Yvette Bohraus, François Lazeyras

Reymond P, Bohraus Y, Perren F, Lazeyras F, Stergiopulos N. Validation of a patient-specific one-dimensional model of the systemic arterial tree. Am J Physiol Heart Circ Physiol 301: H1173-H1182, 2011. First published May 27, 2011; doi:10.1152/ajpheart.008 ...

2011

Segmentation and Grid Generation for Numerical Simulations of VAD Connections with Patientspecific Data

Alfio Quarteroni, Simone Deparis, Elena Faggiano, Jean Bonnemain, Ludwig Von Segesser

Objectives: We are interested in the numerical simulation of the anastomotic region comprised between outflow canula of LVAD and the aorta. Segmentation, geometry reconstruction and grid generation from patient specific data remain an issue because of the ...

2011

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Anastomosis

Computational Analysis of Turbulent Hemodynamics in Radiocephalic Arteriovenous Fistulas to Determine the Best Anastomotic Angles

Diffusion behavior of cerebral metabolites of congenital portal systemic shunt mice assessed noninvasively by diffusion-weighted H-1 magnetic resonance spectroscopy

A 1D model of the arterial circulation in mice

Hemodynamic transition driven by stent porosity in sidewall aneurysms

Multi-time-lag PIV analysis of steady and pulsatile flows in a sidewall aneurysm

Simulation-based uncertainty quantification of human arterial network hemodynamics

Patient-specific mean pressure drop in the systemic arterial tree, a comparison between 1-D and 3-D models

Validation of a patient-specific one-dimensional model of the systemic arterial tree

Pulse Wave Propagation in the Arterial Tree

Segmentation and Grid Generation for Numerical Simulations of VAD Connections with Patientspecific Data

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Chat with Graph Search

Diffusion behavior of cerebral metabolites of congenital portal systemic shunt mice assessed noninvasively by diffusion-weighted H-1 magnetic resonance spectroscopy

Multi-time-lag PIV analysis of steady and pulsatile flows in a sidewall aneurysm

Hemodynamic transition driven by stent porosity in sidewall aneurysms

Simulation-based uncertainty quantification of human arterial network hemodynamics

Patient-specific mean pressure drop in the systemic arterial tree, a comparison between 1-D and 3-D models

Validation of a patient-specific one-dimensional model of the systemic arterial tree

Segmentation and Grid Generation for Numerical Simulations of VAD Connections with Patientspecific Data

Pulse Wave Propagation in the Arterial Tree

A 1D model of the arterial circulation in mice

Computational Analysis of Turbulent Hemodynamics in Radiocephalic Arteriovenous Fistulas to Determine the Best Anastomotic Angles