Automatic Segmentation of Thoracic Aorta Segments in Low-Dose Chest CT [PDF]
SPIE Medical Imaging, 2018, vol. 10574, pp. 105741S, 2018 Morphological analysis and identification of pathologies in the aorta are important for cardiovascular diagnosis and risk assessment in patients. Manual annotation is time-consuming and cumbersome in CT scans acquired without contrast enhancement and with low radiation dose.
de Vos, Bob D. +3 more
arxiv +3 more sources
Multiaxial pulsatile dynamics of the thoracic aorta and impact of thoracic endovascular repair [PDF]
European Journal of Radiology Open, 2021 Purpose: The thoracic aorta is a highly mobile organ whose dynamics are altered by thoracic endovascular aorta repair (TEVAR). The aim of this study was to quantify cardiac pulsatility-induced multi-axial deformation of the thoracic aorta before and ...
Bondesson, Johan +5 more
core +4 more sources
Hemodynamic effects of stent-graft introducer sheath during thoracic endovascular aortic repair [PDF]
Biomechanics and Modeling in Mechanobiology (2022), 2021 Thoracic endovascular aortic repair (TEVAR) has become the standard treatment of a variety of aortic pathologies. The objective of this study is to evaluate the hemodynamic effects of stent-graft introducer sheath during TEVAR. Three idealized representative diseased aortas of aortic aneurysm, coarctation of the aorta, and aortic dissection were ...
arxiv +1 more source
Mathematical modeling of shear-activated targeted nanoparticle drug delivery for the treatment of aortic diseases [PDF]
Biomechanics and Modeling in Mechanobiology (2021), 2021 The human aorta is a high-risk area for vascular diseases, which are commonly restored by thoracic endovascular aortic repair. In this paper, we report a promising shear-activated targeted nanoparticle drug delivery strategy to assist in the treatment of coarctation of the aorta and aortic aneurysm.
arxiv +1 more source
Biomechanical and biochemical properties of the thoracic aorta in warmblood horses, Friesian horses, and Friesians with aortic rupture [PDF]
, 2015 Background: Thoracic aortic rupture and aortopulmonary fistulation are rare conditions in horses. It mainly affects Friesian horses. Intrinsic differences in biomechanical properties of the aortic wall might predispose this breed.
Chiers, Koen +10 more
core +2 more sources
Thoracic aorta cardiac-cycle related dynamic changes assessed with a 256-slice CT scanner [PDF]
, 2013 Objective: The aim of our study was to demonstrate whether the dynamic changes previously documented at the ascending and abdominal aorta are replicated at the thoracic aorta.
Capuñay, Carlos +7 more
core +1 more source
Fluid structure interaction: Insights into biomechanical implications of endograft after thoracic endovascular aortic repair [PDF]
Computers in Biology and Medicine (2021), 2021 Thoracic endovascular aortic repair (TEVAR) has developed to be the most effective treatment for aortic diseases. This study aims to evaluate the biomechanical implications of the implanted endograft after TEVAR. We present a novel image-based, patient-specific, fluid-structure computational framework.
arxiv +1 more source
A robust shape model for blood vessels analysis [PDF]
, 2023 The availability of digital twins for the cardiovascular system will enable insightful computational tools both for research and clinical practice. This, however, demands robust and well defined models and methods for the different steps involved in the process.
arxiv +1 more source
Computational fluid dynamicaccuracy in mimicking changes in blood hemodynamics in patients with acute type IIIb aortic dissection treated with TEVAR [PDF]
, 2018 Background: We aimed to verify the accuracy of the Computational Fluid Dynamics (CFD) algorithm for blood flow reconstruction for type IIIb aortic dissection (TBAD) before and after thoracic endovascular aortic repair (TEVAR).
Domenig, Christoph +5 more
core +1 more source
Including Aortic Valve Morphology in Computational Fluid Dynamics Simulations: Initial Findings and Application to Aortic Coarctation [PDF]
, 2012 Computational fluid dynamics (CFD) simulations quantifying thoracic aortic flow patterns have not included disturbances from the aortic valve (AoV). 80% of patients with aortic coarctation (CoA) have a bicuspid aortic valve (BAV) which may cause adverse ...
Cava, Joseph Richard +8 more
core +2 more sources