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Related papers: PUNCH: Physics-informed Uncertainty-aware Network …

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Computational hemodynamics models are becoming increasingly useful in the management and prognosis of complex, multiscale pathologies, including those attributed to the development of pulmonary vascular disease. However, diseases like…

Tissues and Organs · Quantitative Biology 2025-06-06 Mitchel J. Colebank , Naomi C. Chesler

Extensive research has been performed on continuous, non-invasive, cuffless blood pressure (BP) measurement using artificial intelligence algorithms. This approach involves extracting certain features from physiological signals like ECG,…

Medical Physics · Physics 2023-04-03 Ali Farki , Reza Baradaran Kazemzadeh , Elham Akhondzadeh Noughabi

A multigrid scheme is proposed for the pressure equation of the incompressible unsteady fluid flow equations, allowing efficient implementation on clusters of modern CPUs, many integrated core devices (MICs), and graphics processing units…

Numerical Analysis · Mathematics 2014-08-19 György Tegze , Gyula I. Tóth

Methods of Computational Fluid Dynamics are applied to simulate pulsatile blood flow in human vessels and in the aortic arch. The non-Newtonian behaviour of the human blood is investigated in simple vessels of actual size. A detailed…

Computational Physics · Physics 2008-02-19 Renat A. Sultanov , Dennis Guster , Brent Engelbrekt , Richard Blankenbecler

Vascular calcification is implicated as an important factor in major adverse cardiovascular events (MACE), including heart attack and stroke. A controversy remains over how to integrate the diverse forms of vascular calcification into…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Mehdi Ramezanpour , Anne M. Robertson , Yasutaka Tobe , Xiaowei Jia , Juan R. Cebral

Intracerebral hemorrhage (ICH) is a life-risking condition characterized by bleeding within the brain parenchyma. ICU readmission in ICH patients is a critical outcome, reflecting both clinical severity and resource utilization. Accurate…

Machine Learning · Computer Science 2025-01-03 Shuheng Chen , Junyi Fan , Armin Abdollahi , Negin Ashrafi , Kamiar Alaei , Greg Placencia , Maryam Pishgar

Coronary artery stenosis, characterized by the narrowing of the lumen, significantly affects blood flow and contributes to the progression of cardiovascular diseases. This study investigates the hemodynamics of coronary artery models with…

Fluid Dynamics · Physics 2025-02-03 Ayodele Oyejide , Oluwatosin Abodunrin , Ebenezer Ige , Adetokunbo Awonusi

Intrasaccular flow disruptors treat cerebral aneurysms by diverting the blood flow from the aneurysm sac. Residual flow into the sac after the intervention is a failure that could be due to the use of an undersized device, or to vascular…

Image and Video Processing · Electrical Eng. & Systems 2022-11-23 Ashutosh Jadhav , Satyananda Kashyap , Hakan Bulu , Ronak Dholakia , Amon Y. Liu , Tanveer Syeda-Mahmood , William R. Patterson , Hussain Rangwala , Mehdi Moradi

Heart Failure is a major component of healthcare expenditure and a leading cause of mortality worldwide. Despite higher inter-rater variability, endomyocardial biopsy (EMB) is still regarded as the standard technique, used to identify the…

Machine Learning · Computer Science 2019-07-30 Kavita Dubey , Anant Agarwal , Astitwa Sarthak Lathe , Ranjeet Kumar , Vishal Srivastava

Cardiac abnormalities affecting heart rate and rhythm are commonly observed in both healthy and acutely unwell people. Although many of these are benign, they can sometimes indicate a serious health risk. ECG monitors are typically used to…

Signal Processing · Electrical Eng. & Systems 2018-07-12 Stewart Whiting , Samuel Moreland , Jason Costello , Glen Colopy , Christopher McCann

Pulmonary Hypertension (PH) is a severe disease characterized by an elevated pulmonary artery pressure. The gold standard for PH diagnosis is measurement of mean Pulmonary Artery Pressure (mPAP) during an invasive Right Heart…

Image and Video Processing · Electrical Eng. & Systems 2023-12-25 Michal K. Grzeszczyk , Tadeusz Satlawa , Angela Lungu , Andrew Swift , Andrew Narracott , Rod Hose , Tomasz Trzcinski , Arkadiusz Sitek

Coronary artery calcium (CAC) is highly predictive of cardiovascular events. While millions of chest CT scans are performed annually in the United States, CAC is not routinely quantified from scans done for non-cardiac purposes. A deep…

Analysing coronary artery plaque segments with respect to their functional significance and therefore their influence to patient management in a non-invasive setup is an important subject of current research. In this work we compare and…

Image and Video Processing · Electrical Eng. & Systems 2019-12-16 Felix Denzinger , Michael Wels , Katharina Breininger , Anika Reidelshöfer , Joachim Eckert , Michael Sühling , Axel Schmermund , Andreas Maier

Background: Extensive clinical evidence suggests that a preventive screening of coronary heart disease (CHD) at an earlier stage can greatly reduce the mortality rate. We use 64 two-dimensional speckle tracking echocardiography (2D-STE)…

Machine Learning · Statistics 2021-05-21 Jingyi Zhang , Huolan Zhu , Yongkai Chen , Chenguang Yang , Huimin Cheng , Yi Li , Wenxuan Zhong , Fang Wang

This study aims to develop a new computational pathology approach that automates the identification and quantification of myocardial inflammatory infiltration in digital HE-stained images to provide a quantitative histological diagnosis of…

Medical Physics · Physics 2024-05-24 Yanyun Liu , Xiumeng Hua , Shouping Zhu , Congrui Wang , Xiao Chen , Yu Shi , Jiangping Song , Weihua Zhou

Myocardial perfusion cardiovascular magnetic resonance (pCMR) using first-pass contrast-enhanced imaging could play an important role in the detection of epicardial and microvascular coronary artery disease. Recently, the emergence of…

Electrocardiography (ECG) signal is a highly applied measurement for individual heart condition, and much effort have been endeavored towards automatic heart arrhythmia diagnosis based on machine learning. However, traditional machine…

Signal Processing · Electrical Eng. & Systems 2021-11-01 Ziyu Liu , Xiang Zhang

Coronary artery calcification (CAC) is a strong and independent predictor of cardiovascular disease (CVD). However, manual assessment of CAC often requires radiological expertise, time, and invasive imaging techniques. The purpose of this…

Computer Vision and Pattern Recognition · Computer Science 2024-02-16 Andrew M. Nguyen , Jianfei Liu , Tejas Sudharshan Mathai , Peter C. Grayson , Ronald M. Summers

Non-invasive patient monitoring for tracking and predicting adverse acute health events is an emerging area of research. We pursue in-hospital cardiac arrest (IHCA) prediction using only single-channel finger photoplethysmography (PPG)…

Machine Learning · Computer Science 2025-02-13 Saurabh Kataria , Ran Xiao , Timothy Ruchti , Matthew Clark , Jiaying Lu , Randall J. Lee , Jocelyn Grunwell , Xiao Hu

The prohibitive cost and low fidelity of experimental data in industry scale thermofluid systems limit the usefulness of pure data-driven machine learning methods. Physics-informed neural networks (PINN) strive to overcome this by embedding…

Fluid Dynamics · Physics 2021-05-25 Ryno Laubscher , Pieter Rousseau