A quarter of a century biomechanical rupture risk assessment of abdominal aortic aneurysms. Achievements, clinical relevance, and ongoing developments

TC Gasser, C Miller, S Polzer… - International journal for …, 2023 - Wiley Online Library
Abdominal aortic aneurysm (AAA) disease, the local enlargement of the infrarenal aorta, is a
serious condition that causes many deaths, especially in men exceeding 65 years of age …

Predictive capabilities of various constitutive models for arterial tissue

F Schroeder, S Polzer, M Slažanský, V Man… - Journal of the mechanical …, 2018 - Elsevier
Introduction Aim of this study is to validate some constitutive models by assessing their
capabilities in describing and predicting uniaxial and biaxial behavior of porcine aortic …

Integration of polarized spatial frequency domain imaging (pSFDI) with a biaxial mechanical testing system for quantification of load-dependent collagen architecture …

SV Jett, LT Hudson, R Baumwart, BN Bohnstedt, A Mir… - Acta biomaterialia, 2020 - Elsevier
Collagen fiber networks provide the structural strength of tissues, such as tendons, skin and
arteries. Quantifying the fiber architecture in response to mechanical loads is essential …

Biomechanical properties of ascending aortic aneurysms: quantification of inter-and intra-patient variability

T Sigaeva, S Sattari, S Polzer, JJ Appoo… - Journal of …, 2021 - Elsevier
This study investigates the biomechanical properties of ascending aortic aneurysms
focusing on the inter-patient differences vs. the heterogeneity within a patient's aneurysm …

An improved parameter fitting approach of a planar biaxial test including the experimental prestretch

K Vander Linden, H Fehervary, L Maes… - Journal of the Mechanical …, 2022 - Elsevier
Planar biaxial testing is a popular experimental technique for characterizing and comparing
biological soft tissues. A correct identification of the different stress states of the tissue …

Importance of experimental evaluation of structural parameters for constitutive modelling of aorta

J Fischer, M Turčanová, V Man, M Hermanová… - Journal of the …, 2023 - Elsevier
The study compares stresses and strains in the aortic wall derived using different constitutive
models for various stress-strain conditions. Structure-based constitutive models with two …

Species-specific effects of aortic valve decellularization

MC VeDepo, EE Buse, RW Quinn, TD Williams… - Acta biomaterialia, 2017 - Elsevier
Decellularized heart valves have great potential as a stand-alone valve replacement or as a
scaffold for tissue engineering heart valves. Before decellularized valves can be widely used …

[HTML][HTML] On the experimental identification of equilibrium relations and the separation of inelastic effects in soft biological tissues

F Bogoni, MP Wollner, GA Holzapfel - Journal of the Mechanics and Physics …, 2024 - Elsevier
The mechanical characterization of vascular tissues has been mainly focused on the
measurement of elastic properties, while the investigation of inelastic effects has received …

Effect of testing conditions on the mechanical response of aortic tissues from planar biaxial experiments: Loading protocol and specimen side

T Sigaeva, S Polzer, R Vitásek, ES Di Martino - Journal of the Mechanical …, 2020 - Elsevier
This study concerns procedural aspects of planar biaxial experiments on aortic tissues that
have not been exhaustively addressed in the literature. The following questions are …

Heterogeneity of Ex vivo and In vivo Properties along the Length of the Abdominal Aortic Aneurysm

A Forneris, M Nightingale, A Ismaguilova, T Sigaeva… - Applied Sciences, 2021 - mdpi.com
The current clinical guidelines for the management of aortic abdominal aneurysms (AAAs)
overlook the structural and mechanical heterogeneity of the aortic tissue and its role in the …