A Multiscale In Silico Study To Characterize The Atrial Electrical Activity Of Patients With Atrial Fibrillation A Translational Study To Guide Ablation Therapy
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A Multiscale In Silico Study to Characterize the Atrial Electrical Activity of Patients With Atrial Fibrillation A Translational Study to Guide Ablation Therapy
Author | : Sánchez Arciniegas, Jorge Patricio |
Publsiher | : KIT Scientific Publishing |
Total Pages | : 162 |
Release | : 2022-05-30 |
Genre | : Medical |
ISBN | : 9783731511700 |
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The atrial substrate undergoes electrical and structural remodeling during atrial fibrillation. Detailed multiscale models were used to study the effect of structural remodeling induced at the cellular and tissue levels. Simulated electrograms were used to train a machine-learning algorithm to characterize the substrate. Also, wave propagation direction was tracked from unannotated electrograms. In conclusion, in silico experiments provide insight into electrograms' information of the substrate.
Multiscale Cohort Modeling of Atrial Electrophysiology Risk Stratification for Atrial Fibrillation through Machine Learning on Electrocardiograms
Author | : Nagel, Claudia |
Publsiher | : KIT Scientific Publishing |
Total Pages | : 280 |
Release | : 2023-04-24 |
Genre | : Electronic Book |
ISBN | : 9783731512813 |
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An early detection and diagnosis of atrial fibrillation sets the course for timely intervention to prevent potentially occurring comorbidities. Electrocardiogram data resulting from electrophysiological cohort modeling and simulation can be a valuable data resource for improving automated atrial fibrillation risk stratification with machine learning techniques and thus, reduces the risk of stroke in affected patients.
Modeling and Simulating Cardiac Electrical Activity
Author | : David J. Christini,Trine Krogh-Madsen |
Publsiher | : Unknown |
Total Pages | : 0 |
Release | : 2020 |
Genre | : Electrocardiography |
ISBN | : 0750320648 |
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This book provides a thorough introduction to the topic of mathematical modeling of electrical activity in the heart, from molecular details of ionic channel dynamics to clinically derived patient-specific models. It discusses how cellular ionic models are formulated, introduces commonly used models and explains why there are so many different models available. The chapters cover modeling of the intracellular calcium handling that underlies cellular contraction as well as modeling molecular-level details of cardiac ion channels, and also focus on specialized topics such as cardiomyocyte energetics and signalling pathways. It is an excellent resource for experienced and specialised researchers in the field, but also biological scientists with a limited background in mathematical modelling and computational methods. Part of Biophysical Society-IOP series.
Multiscale Modelling and Simulation
Author | : Sabine Attinger,Petros Koumoutsakos |
Publsiher | : Springer Science & Business Media |
Total Pages | : 304 |
Release | : 2004-07-12 |
Genre | : Mathematics |
ISBN | : 3540211802 |
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In August 2003, ETHZ Computational Laboratory (CoLab), together with the Swiss Center for Scientific Computing in Manno and the Università della Svizzera Italiana (USI), organized the Summer School in "Multiscale Modelling and Simulation" in Lugano, Switzerland. This summer school brought together experts in different disciplines to exchange ideas on how to link methodologies on different scales. Relevant examples of practical interest include: structural analysis of materials, flow through porous media, turbulent transport in high Reynolds number flows, large-scale molecular dynamic simulations, ab-initio physics and chemistry, and a multitude of others. Though multiple scale models are not new, the topic has recently taken on a new sense of urgency. A number of hybrid approaches are now created in which ideas coming from distinct disciplines or modelling approaches are unified to produce new and computationally efficient techniques.
Electrocardiographic Imaging
Author | : Maria S. Guillem,Carlos Figuera,Linwei Wang |
Publsiher | : Frontiers Media SA |
Total Pages | : 178 |
Release | : 2020-04-17 |
Genre | : Electronic Book |
ISBN | : 9782889636716 |
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Electrical activity in the myocardium coordinates the contraction of the heart, and its knowledge could lead to a better understanding, diagnosis, and treatment of cardiac diseases. This electrical activity generates an electromagnetic field that propagates outside the heart and reaches the human torso surface, where it can be easily measured. Classical electrocardiography aims to interpret the 12-lead electrocardiogram (ECG) to determine cardiac activity and support the diagnosis of cardiac pathologies such as arrhythmias, altered activations, and ischemia. More recently, a higher number of leads is used to reconstruct a more detailed quantitative description of the electrical activity in the heart by solving the so-called inverse problem of electrocardiography. This technique is known as ECG imaging. Today, clinical applications of ECG imaging are showing promising results in guiding a variety of electrophysiological interventions such as catheter ablation of atrial fibrillation and ventricular tachycardia. However, in order to promote the adoption of ECG imaging in the routine clinical practice, further research is required regarding more accurate mathematical methods, further scientific validation under different preclinical scenarios and a more extensive clinical validation
Advanced Healthcare Materials
Author | : Ashutosh Tiwari |
Publsiher | : John Wiley & Sons |
Total Pages | : 421 |
Release | : 2014-05-09 |
Genre | : Technology & Engineering |
ISBN | : 9781118773680 |
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Offers a comprehensive and interdisciplinary view of cutting-edge research on advanced materials for healthcare technology and applications Advanced healthcare materials are attracting strong interest in fundamental as well as applied medical science and technology. This book summarizes the current state of knowledge in the field of advanced materials for functional therapeutics, point-of-care diagnostics, translational materials, and up-and-coming bioengineering devices. Advanced Healthcare Materials highlights the key features that enable the design of stimuli-responsive smart nanoparticles, novel biomaterials, and nano/micro devices for either diagnosis or therapy, or both, called theranostics. It also presents the latest advancements in healthcare materials and medical technology. The senior researchers from global knowledge centers have written topics including: State-of-the-art of biomaterials for human health Micro- and nanoparticles and their application in biosensors The role of immunoassays Stimuli-responsive smart nanoparticles Diagnosis and treatment of cancer Advanced materials for biomedical application and drug delivery Nanoparticles for diagnosis and/or treatment of Alzheimers disease Hierarchical modelling of elastic behavior of human dental tissue Biodegradable porous hydrogels Hydrogels in tissue engineering, drug delivery, and wound care Modified natural zeolites Supramolecular hydrogels based on cyclodextrin poly(pseudo)rotaxane Polyhydroxyalkanoate-based biomaterials Biomimetic molecularly imprinted polymers
Atrial Fibrillation
Author | : Rodney H. Falk,Philip J. Podrid |
Publsiher | : Lippincott Williams & Wilkins |
Total Pages | : 554 |
Release | : 1997 |
Genre | : Medical |
ISBN | : UOM:39015041322531 |
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This revised edition offers guidance on evaluation and management of atrial fibrillation and describes pharmacological, electrophysical, and surgical therapies. Coverage includes revised chapters on echocardiography, anti-coagulant therapy, and catheter ablation, and new chapters on atrial flutter, basic electrophysiology of antiarrhythmic drugs, implantable atrial defibrillators, and conduction through the atrioventricular node. Also included are chapters on decision analysis in the treatment of atrial fibrillation and on the special problems of paroxysmal atrial fibrillation.
Cardiovascular Computing Methodologies and Clinical Applications
Author | : Spyretta Golemati,Konstantina S. Nikita |
Publsiher | : Springer |
Total Pages | : 362 |
Release | : 2019-02-12 |
Genre | : Technology & Engineering |
ISBN | : 9789811050923 |
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This book provides a comprehensive guide to the state-of-the-art in cardiovascular computing and highlights novel directions and challenges in this constantly evolving multidisciplinary field. The topics covered span a wide range of methods and clinical applications of cardiovascular computing, including advanced technologies for the acquisition and analysis of signals and images, cardiovascular informatics, and mathematical and computational modeling.