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Related papers: Frailty Assessment in Aortic Stenosis based on Dyn…

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Objective: We aimed to determine the relationship between day-to-day sleep efficiency variability and cognitive function among older adults using accelerometer data and three cognitive tests. Methods: Older adults aged 65+ with 5 days of…

Applications · Statistics 2023-11-07 Collin Sakal , Tingyou Li , Juan Li , Xinyue Li

Aortic stenosis (AS) is the most common valvular heart disease in developed countries. High-fidelity preclinical models can improve AS management by enabling therapeutic innovation, early diagnosis, and tailored treatment planning. However,…

Computational Engineering, Finance, and Science · Computer Science 2024-07-02 Caglar Ozturk , Daniel H. Pak , Luca Rosalia , Debkalpa Goswami , Mary E. Robakowski , Raymond McKay , Christopher T. Nguyen , James S. Duncan , Ellen T. Roche

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

Valvular heart diseases are growing concern in impoverished parts of the world, such as Southern-Africa, claiming more than 31 % of total deaths related to cardiovascular diseases. The ability to model the effects of regurgitant and…

Medical Physics · Physics 2022-04-11 Ryno Laubscher , Jacques Liebenberg , Philip Herbst

Frailty is a condition in aging medicine characterized by diminished physiological reserve and increased vulnerability to stressors. However, frailty assessment remains subjective, heterogeneous, and difficult to scale in clinical practice.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Laura McDaniel , Basudha Pal , Crystal Szczesny , Yuxiang Guo , Zhaoyang Wang , Ryan Roemmich , Peter Abadir , Rama Chellappa

Coronary heart disease (CHD) remains a leading cause of mortality worldwide. This study introduces a novel approach that integrates patient-specific Multi-slice CT scans into CAD models, using a one-dimensional numerical framework to assess…

Medical Physics · Physics 2025-05-21 Priyanshu Ghosh , Sayan Karmakar , Disha Mondal , Oeshee Roy , Supratim Saha

This study addresses the challenge of predicting post-stroke rigidity by emphasizing feature interactions through graph-based explainable AI. Post-stroke rigidity, characterized by increased muscle tone and stiffness, significantly affects…

Coronary heart disease (CHD) remains a top reason of mortality worldwide. This study introduces a novel approach by integrating patient-specific Multi-slice CT scans into CAD models and employing a one-dimensional numerical framework to…

Medical Physics · Physics 2025-07-01 Oeshee Roy , Priyanshu Ghosh , Sayan Karmakar , Supratim Saha

This study investigates fall risk prediction in older adults using various machine learning models trained on accelerometric, non-accelerometric, and combined data from 146 participants. Models combining both data types achieved superior…

Several statistical and machine learning methods are proposed to estimate the type and intensity of physical load and accumulated fatigue . They are based on the statistical analysis of accumulated and moving window data subsets with…

Machine Learning · Computer Science 2018-12-11 Sergii Stirenko , Gang Peng , Wei Zeng , Yuri Gordienko , Oleg Alienin , Oleksandr Rokovyi , Nikita Gordienko

A continuous monitoring of the physical strength and mobility of elderly people is important for maintaining their health and treating diseases at an early stage. However, frequent screenings by physicians are exceeding the logistic…

Computers and Society · Computer Science 2021-03-11 Björn Friedrich , Enno-Edzard Steen , Sebastian Fudickar , Andreas Hein

Aortic stenosis (AS) is a common heart valve disease that requires accurate and timely diagnosis for appropriate treatment. Most current automatic AS severity detection methods rely on black-box models with a low level of trustworthiness,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Hooman Vaseli , Ang Nan Gu , S. Neda Ahmadi Amiri , Michael Y. Tsang , Andrea Fung , Nima Kondori , Armin Saadat , Purang Abolmaesumi , Teresa S. M. Tsang

Early multiple sclerosis (MS) disability progression prediction is challenging due to disease heterogeneity. This work predicts 48- and 72-week disability using sparse baseline clinical data and 12 weeks of daily digital Floodlight data…

Machine Learning · Computer Science 2025-06-19 Maxime Usdin , Lito Kriara , Licinio Craveiro

This work presents a new model and estimation procedure for the illness-death survival data where the hazard functions follow accelerated failure time (AFT) models. A shared frailty variate induces positive dependence among failure times of…

Methodology · Statistics 2022-05-10 Lea Kats , Malka Gorfine

Dynamic balance in human locomotion can be assessed through the local dynamic stability (LDS) method. Whereas gait LDS has been used successfully in many settings and applications, little is known about its sensitivity to individual…

Quantitative Methods · Quantitative Biology 2018-12-27 Fabienne Reynard , Philippe Terrier

Early identification of individuals at risk of stroke remains a major clinical challenge, as prodromal motor im- pairments are often subtle and transient. In this pilot study, a wearable sensor-based framework is proposed for early pre-…

Neurons and Cognition · Quantitative Biology 2026-03-18 Chanakan Chaipan , Aueaphum Aueawatthanaphisut

Coronary anatomy governs local haemodynamics associated with atherosclerotic development, progression and ultimately adverse clinical outcomes. However, lack of large sample size studies and methods to link adverse haemodynamics to…

Medical Physics · Physics 2024-01-24 R. Gharleghi , M. Zhang , C. Shen , M. Webster , C. Ellis , S. Beier

The upper motor neuron dysfunction in amyotrophic lateral sclerosis was quantified using triple stimulation and more focal transcranial magnetic stimulation techniques that were developed to reduce recording variability. These measurements…

Neurons and Cognition · Quantitative Biology 2016-09-29 Rahul Remanan , Viktor Sukhotskiy , Mona Shahbazi , Edward P. Furlani , Dale J. Lange

The relationship between measures of stenosis and microvascular resistance is of importance due to medical decisions being based on these values. This research investigates the impact of varying microvascular resistance on fractional flow…

Medical Physics · Physics 2024-07-22 Tam Atkins , Navid Freidoonimehr , John Beltrame , Christopher Zeitz , Maziar Arjomandi

Objective: To assess the effect of overall, between- and within-day subjectively rated fluctuations in motor and non-motor symptoms in people with functional motor disorder (FMD) on the health-related quality of life (HRQoL). Background:…

Neurons and Cognition · Quantitative Biology 2025-03-18 Martin Jirásek , Tomáš Sieger , Gabriela Chaloupková , Lucia Nováková , Petr Sojka , Mark J Edwards , Tereza Serranová