Patient-specific inverse modeling of in vivo cardiovascular mechanics with medical image-derived kinematics as input data: concepts, methods, and applications

JH Bracamonte, SK Saunders, JS Wilson, UT Truong… - Applied Sciences, 2022 - mdpi.com
Inverse modeling approaches in cardiovascular medicine are a collection of methodologies
that can provide non-invasive patient-specific estimations of tissue properties, mechanical …

Variability in structure, morphology, and mechanical properties of the descending thoracic and infrarenal aorta around their circumference

M Kazim, SA Razian, E Zamani, D Varandani… - Journal of the …, 2024 - Elsevier
Aortic diseases, such as aneurysms, atherosclerosis, and dissections, demonstrate a
preferential development and progression around the aortic circumference, resulting in a …

Accuracy of cardiac‐induced brain motion measurement using displacement‐encoding with stimulated echoes (DENSE) magnetic resonance imaging (MRI): A …

BST Nwotchouang, MS Eppelheimer… - Magnetic resonance …, 2021 - Wiley Online Library
Purpose The goal of this study was to determine the accuracy of displacement‐encoding
with stimulated echoes (DENSE) MRI in a tissue motion phantom with displacements …

Regional brain tissue displacement and strain is elevated in subjects with Chiari malformation type I compared to healthy controls: a study using DENSE MRI

BST Nwotchouang, MS Eppelheimer… - Annals of biomedical …, 2021 - Springer
While the degree of cerebellar tonsillar descent is considered the primary radiologic marker
of Chiari malformation type I (CMI), biomechanical forces acting on the brain tissue in CMI …

[HTML][HTML] Fast strain mapping in abdominal aortic aneurysm wall reveals heterogeneous patterns

MI Bracco, M Broda, US Lorenzen, MC Florkow… - Frontiers in …, 2023 - frontiersin.org
Abdominal aortic aneurysm patients are regularly monitored to assess aneurysm
development and risk of rupture. A preventive surgical procedure is recommended when the …

[HTML][HTML] Comparison of abdominal aortic aneurysm sac and neck wall motion with 4D ultrasound imaging

W Derwich, A Wittek, A Hegner, CP Fritzen… - European Journal of …, 2020 - Elsevier
Objective The rupture of abdominal aortic aneurysms (AAAs) is associated with high
mortality despite surgical developments. The determination of aneurysm diameter allows for …

Assessing patient-specific mechanical properties of aortic wall and peri-aortic structures from in vivo DENSE magnetic resonance imaging using an inverse finite …

JH Bracamonte, JS Wilson… - Journal of …, 2020 - asmedigitalcollection.asme.org
The establishment of in vivo, noninvasive patient-specific, and regionally resolved
techniques to quantify aortic properties is key to improving clinical risk assessment and …

A new method for quantifying abdominal aortic wall shear stress using phase contrast magnetic resonance imaging and the Womersley solution

E Iffrig, LH Timmins, R El Sayed… - Journal of …, 2022 - asmedigitalcollection.asme.org
Wall shear stress (WSS) is an important mediator of cardiovascular pathologies and there is
a need for its reliable evaluation as a potential prognostic indicator. The purpose of this work …

Correction of phase offset errors and quantification of background noise, signal-to-noise ratio, and encoded-displacement uncertainty on DENSE MRI for kinematics of …

J Bracamonte, U Truong, J Wilson, J Soares - Magnetic Resonance …, 2024 - Elsevier
Displacement encoding with stimulated echoes (DENSE) MRI is a phase contrast technique
that allows the encoding of tissue displacement into the phase of the magnetic resonance …

In Vivo Quantification of Ascending Thoracic Aortic Aneurysm Wall Stretch Using MRI: Relationship to Repair Threshold Diameter and Ex Vivo Wall Failure Behavior

H Dong, H Haraldsson, J Leach… - Journal of …, 2024 - asmedigitalcollection.asme.org
Ascending thoracic aortic aneurysms (aTAAs) can lead to life-threatening dissection and
rupture. Recent studies have highlighted aTAA mechanical properties as relevant factors …