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Related papers: Graph Deep Learning for Intracranial Aneurysm Bloo…

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Intracranial aneurysm (IA) is a common cerebrovascular disease that is usually asymptomatic but may cause severe subarachnoid hemorrhage (SAH) if ruptured. Although clinical practice is usually based on individual factors and morphological…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Xigui Li , Yuanye Zhou , Feiyang Xiao , Xin Guo , Yichi Zhang , Chen Jiang , Jianchao Ge , Xiansheng Wang , Qimeng Wang , Taiwei Zhang , Chensen Lin , Yuan Cheng , Yuan Qi

Whilst grading neurovascular abnormalities is critical for prompt surgical repair, no statistical markers are currently available for predicting the risk of adverse events, such as stroke, and the overall resilience of a network to vascular…

Quantitative Methods · Quantitative Biology 2019-10-30 Stefano Moriconi , Rafael Rehwald , Maria A. Zuluaga , H. Rolf Jäger , Parashkev Nachev , Sébastien Ourselin , M. Jorge Cardoso

The development and progression of abdominal aortic aneurysms (AAA) are related to complex flow patterns and wall-shear-driven mechanobiological stimuli, yet the quantitative relationship between aneurysmal geometry and hemodynamics remains…

Cerebral aneurysm rupture, leading to subarachnoid hemorrhage with a high mortality rate, disproportionately affects younger populations, resulting in a significant loss of productive life years. A significant proportion of these deaths is…

Computational Engineering, Finance, and Science · Computer Science 2025-07-17 Mostafa Jamshidian , Benjamin Zwick , Arosha S Dissanayake , Adam Wittek , Timothy J Phillips , Stephen Honeybul , Graeme J Hankey , Karol Miller

Predicting the long-term success of endovascular interventions in the clinical management of cerebral aneurysms requires detailed insight into the patient-specific physiological conditions. In this work, we not only propose numerical…

Super-resolution is widely used in medical imaging to enhance low-quality data, reducing scan time and improving abnormality detection. Conventional super-resolution approaches typically rely on paired datasets of downsampled and original…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Xiaoyi Wen , Fei Jiang

Intracardiac flow patterns are shaped by the coupled motion of the cardiac chambers and heart valves and provide important information about cardiac function. However, clinical flow imaging remains limited by exam times, noise, resolution,…

Image and Video Processing · Electrical Eng. & Systems 2026-05-12 Fanwei Kong , Aaron Brown , Michael Loecher , Perry S. Choi , Lei Shi , Michael Ma , Daniel B. Ennis , Alison Marsden

Cardiovascular diseases, specifically cerebral aneurysms, represent a major cause of morbidity and mortality, having a significant impact on the cost and overall status of health care. In the present work, we employ a haemorheological blood…

Fluid Dynamics · Physics 2023-10-23 Kamyar Behrouzi , Zahra Khodabakhshi Fard , Azadeh Jafari , Robert G. Owens

This study investigates the influence of aneurysm evolution on hemodynamic characteristics within the sac region. Using computational fluid dynamics (CFD), blood flow through the parent vessel and aneurysm sac was analyzed to assess the…

Quantitative Methods · Quantitative Biology 2026-02-17 Reza Bozorgpour , Jacob R. Rammer

Background and Objective: Hemodynamic analysis of blood flow through arteries and veins is critical for diagnosing cardiovascular diseases, such as aneurysms and stenoses, and for investigating cardiovascular parameters, such as turbulence…

Patient-specific hemodynamics assessment could support diagnosis and treatment of neurovascular diseases. Currently, conventional medical imaging modalities are not able to accurately acquire high-resolution hemodynamic information that…

Determining brain hemodynamics plays a critical role in the diagnosis and treatment of various cerebrovascular diseases. In this work, we put forth a physics-informed deep learning framework that augments sparse clinical measurements with…

Medical Physics · Physics 2021-08-27 Mohammad Sarabian , Hessam Babaee , Kaveh Laksari

The relationship between vascular morphology and hemodynamics is fundamental to understanding the natural history of cerebral aneurysms (CAs). While global geometric indices have been widely studied, the local interaction between luminal…

Medical Physics · Physics 2026-02-26 Marcella P. A. Dallavanzi , José L. Gasche , Iago L. Oliveira

The complexity of the cardiovascular system needs to be accurately reproduced in order to promptly acknowledge health conditions; to this aim, advanced multifidelity and multiphysics numerical models are crucial. On one side, Full Order…

The simulation of microcirculatory blood flow in realistic vascular architectures poses significant challenges due to the multiscale nature of the problem and the topological complexity of capillary networks. In this work, we propose a…

Numerical Analysis · Mathematics 2025-12-12 Paolo Botta , Piermario Vitullo , Thomas Ventimiglia , Andreas Linninger , Paolo Zunino

Background:Subarachnoid hemorrhage caused by ruptured cerebral aneurysm often leads to fatal consequences.However,if the aneurysm can be found and treated during asymptomatic periods,the probability of rupture can be greatly reduced.At…

Image and Video Processing · Electrical Eng. & Systems 2021-10-27 Chen Geng , Meng Chen , Ruoyu Di , Dongdong Wang , Liqin Yang , Wei Xia , Yuxin Li , Daoying Geng

Advances in computational science offer a principled pipeline for predictive modeling of cardiovascular flows and aspire to provide a valuable tool for monitoring, diagnostics and surgical planning. Such models can be nowadays deployed on…

Machine Learning · Computer Science 2019-09-19 Georgios Kissas , Yibo Yang , Eileen Hwuang , Walter R. Witschey , John A. Detre , Paris Perdikaris

Intracranial aneurysm (IA) is a life-threatening blood spot in human's brain if it ruptures and causes cerebral hemorrhage. It is challenging to detect whether an IA has ruptured from medical images. In this paper, we propose a novel graph…

Image and Video Processing · Electrical Eng. & Systems 2019-10-21 Z. Ma , L. Song , X. Feng , G. Yang , W. Zhu , J. Liu , Y. Zhang , X. Yang , Y. Yin

Enodvascular coils treat intracranial aneurysms (IAs) by causing them to occlude by thrombosis. Ideally, coiled IAs eventually occlude in the long-term. However, 20.8% are found incompletely occluded at treatment follow-up. Computer…

Intracranial aneurysms are common nowadays and how to detect them intelligently is of great significance in digital health. While most existing deep learning research focused on medical images in a supervised way, we introduce an…

Image and Video Processing · Electrical Eng. & Systems 2022-01-19 Di Shao , Xuequan Lu , Xiao Liu