Is there a relationship between stress in walls of abdominal aortic aneurysm and symptoms?

K Miller, H Mufty, A Catlin, C Rogers… - Journal of surgical …, 2020 - Elsevier
Background Abdominal aortic aneurysm (AAA) is a permanent and irreversible dilation of
the lower region of the aorta. It is typically an asymptomatic condition that if left untreated can …

Predicting rupture locations of ascending aortic aneurysms using CT-based finite element models

D O'Rourke, TL Surman, JM Abrahams, J Edwards… - Journal of …, 2022 - Elsevier
Accurate rupture risk assessment of ascending aortic aneurysms is important for reducing
aneurysm-related mortality. More recently, computational models have been shown to better …

Simulation of arterial walls: growth, fiber reorientation, and active response

K Uhlmann, A Zahn, D Balzani - Solid (Bio) mechanics: Challenges of the …, 2022 - Springer
Computational simulations of arterial walls in health and disease are considered as a
promising toolbox for the improvement of fundamental understanding of how arteries …

On stress in abdominal aortic aneurysm: Linear versus non‐linear analysis and aneurysm rupture risk

A Wittek, F Alkhatib, R Vitásek… - … Journal for Numerical …, 2022 - Wiley Online Library
We present comprehensive biomechanical analyses of abdominal aortic aneurysms (AAA)
for 43 patients. We compare stress magnitudes and stress distributions within arterial walls …

Computation for biomechanical analysis of aortic aneurysms: the importance of computational grid

F Alkhatib, A Wittek, BF Zwick… - Computer Methods in …, 2024 - Taylor & Francis
Aortic wall stress is the most common variable of interest in abdominal aortic aneurysm
(AAA) rupture risk assessment. Computation of such stress has been dominated by finite …

On the Relative Effects of Wall and Intraluminal Thrombus Constitutive Material Properties in Abdominal Aortic Aneurysm Wall Stress

V Reyna, N Fathesami, W Wu, SC Muluk… - Cardiovascular …, 2024 - Springer
Introduction: An abdominal aortic aneurysm (AAA) is a dilation localized in the infrarenal
segment of the abdominal aorta that can expand continuously and rupture if left untreated …

An efficient pipeline to compute patient-specific cerebral aneurysm wall tension

M Jamshidian, B Zwick, AS Dissanayake… - arXiv preprint arXiv …, 2024 - arxiv.org
Cerebral aneurysm rupture, leading to subarachnoid hemorrhage with a high mortality rate,
disproportionately affects younger populations, resulting in a significant loss of productive …

[HTML][HTML] Mechanical and pathophysiological in vivo characterization of the individual aortic wall based on 4D ultrasound imaging

A Wittek - 2020 - dspace.ub.uni-siegen.de
This work focuses on the development of new non-invasive methods for the in vivo
characteri-zation of the individual elastic behavior of the human aortic wall. Due to the …

Generation of Patient-Specific Structured Hexahedral Mesh of Aortic Aneurysm Wall

F Alkhatib, GC Bourantas, A Wittek, K Miller - International Conference on …, 2021 - Springer
Abdominal aortic aneurysm (AAA) is an enlargement in the lower part of the main artery
“Aorta” by 1.5 times its normal diameter. AAA can cause death if rupture occurs. Elective …

Effect of Analyst Segmentation Variability on Computed AAA Stress Distributions

T Hodge, JCY Tan, PH Koh, E Storer, A Huynh… - … Conference on Medical …, 2021 - Springer
Abstract Abdominal Aortic Aneurysms (AAA) are a symptomless condition and are common
in the geriatric population (over 65 years old). It is imperative for clinicians to identify regions …