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- research-articleNovember 2024
Nature of aortic annulus: Influence of annulus dynamic on the aortic valve hemodynamics
Computers in Biology and Medicine (CBIM), Volume 181, Issue Chttps://doi.org/10.1016/j.compbiomed.2024.109037AbstractAccurate imaging reports of the aortic valve indicate that the diameter of the aortic annulus changes regularly during a cardiac cycle. Most of these studies aim to demonstrate the proper method for estimating the aortic annulus diameter before ...
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Highlights- The aortic annulus dynamic has been neglected in the design of prosthetic valves.
- Aortic annulus dynamics helps to maintain the left ventricular pressure superiority.
- The aortic annulus dynamic decreases the backflow when the valve ...
- research-articleNovember 2024
Validation of classification system for isolated superior mesenteric artery dissections using image-based computational flow analysis
Computer Methods and Programs in Biomedicine (CBIO), Volume 255, Issue Chttps://doi.org/10.1016/j.cmpb.2024.108364Highlight- The hemodynamic simulation was conducted to validate ISMAD classification system.
- Functional indicators could contribute to more precise classification of ISMAD.
- Hemodynamic features varied by type, proving Qiu classification's ...
The isolated superior mesenteric artery dissection (ISMAD) is a rare but potentially fatal vascular disorder. Classifications for ISMAD were previously proposed based on morphometric features. However, the classification ...
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- research-articleOctober 2022
Slice-based and time-specific hemodynamic measurements discriminate carotid artery vulnerable atherosclerotic plaques
- Rui Shen,
- Xinyu Tong,
- Dongye Li,
- Zihan Ning,
- Hualu Han,
- Yongjun Han,
- Dandan Yang,
- Chenlin Du,
- Tao Wang,
- Jingli Cao,
- Yilan Xu,
- Ran Huo,
- Huiyu Qiao,
- Xihai Zhao
Computer Methods and Programs in Biomedicine (CBIO), Volume 225, Issue Chttps://doi.org/10.1016/j.cmpb.2022.107050Highlights- Slice-based and time-specific metrics were proposed for carotid hemodynamics.
- ...
Hemodynamic patterns play key roles in progression of carotid vulnerable plaques. However, most of previous studies utilized maximum or averaged value of hemodynamic measurements which is not an ...
- research-articleOctober 2022
Reliability of using generic flow conditions to quantify aneurysmal haemodynamics: A comparison against simulations incorporating boundary conditions measured in vivo
- Bao Li,
- Tao Liu,
- Jincheng Liu,
- Youjun Liu,
- Boqiang Cao,
- Xi Zhao,
- Wenxin Wang,
- Mengchao Shi,
- Liyuan Zhang,
- Ke Xu,
- Mingyan Chen,
- Chuanqi Wen,
- Mingzi Zhang
Computer Methods and Programs in Biomedicine (CBIO), Volume 225, Issue Chttps://doi.org/10.1016/j.cmpb.2022.107034Highlights- Aneurysmal haemodynamics of 19 patients were quantified by CFD simulations incorporating physiologically real boundary conditions measured in vivo.
- Statistically significant difference was found between simulations using generic and ...
Initiation, growth, and rupture of intracranial aneurysms are believed to be closely related to their local haemodynamic environment. While haemodynamics can be characterised by use of computational fluid dynamics (CFD), ...
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- research-articleOctober 2022
Transient wall shear stress estimation in coronary bifurcations using convolutional neural networks
Computer Methods and Programs in Biomedicine (CBIO), Volume 225, Issue Chttps://doi.org/10.1016/j.cmpb.2022.107013Highlights- Wall Shear Stress (WSS) is associated with coronary artery disease risk.
- ...
Haemodynamic metrics, such as blood flow induced shear stresses at the inner vessel lumen, are associated with the development and progression of coronary artery disease. Understanding these metrics ...
- research-articleApril 2022
Superficial femoral artery stenting: Impact of stent design and overlapping on the local hemodynamics
- Monika Colombo,
- Anna Corti,
- Diego Gallo,
- Andrea Colombo,
- Giacomo Antognoli,
- Martina Bernini,
- Ciara McKenna,
- Scott Berceli,
- Ted Vaughan,
- Francesco Migliavacca,
- Claudio Chiastra
Computers in Biology and Medicine (CBIM), Volume 143, Issue Chttps://doi.org/10.1016/j.compbiomed.2022.105248Abstract BackgroundSuperficial femoral arteries (SFAs) treated with self-expanding stents are widely affected by in-stent restenosis (ISR), especially in case of long lesions and multiple overlapping devices. The altered ...
Highlights
- Virtual stent implantation method based on mesh morphing.
- Hemodynamics ...