Search Results - "TOLKACHEVA, Elena"
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Mechanisms of arrhythmia termination during acute myocardial ischemia: Role of ephaptic coupling and complex geometry of border zone
Published in PloS one (15-03-2022)“…Myocardial ischemia occurs when blood flow to the heart is reduced, preventing the heart muscle from receiving enough oxygen required for survival. Several…”
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In Situ Expansion, Differentiation, and Electromechanical Coupling of Human Cardiac Muscle in a 3D Bioprinted, Chambered Organoid
Published in Circulation research (03-07-2020)“…One goal of cardiac tissue engineering is the generation of a living, human pump in vitro that could replace animal models and eventually serve as an in vivo…”
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3
Complexity AF score as a novel marker of atrial fibrillation instability
Published in Scientific reports (13-11-2024)“…Atrial fibrillation (AF) is a heart disease affecting millions of Americans. Clinicians evaluate AF-related risk by assessing the temporal pattern, variation,…”
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Interplay between ephaptic coupling and complex geometry of border zone during acute myocardial ischemia: Effect on arrhythmogeneity
Published in Chaos (Woodbury, N.Y.) (01-03-2020)“…Acute myocardial ischemia is an imbalance between myocardial blood supply and demand, which is caused by the cessation of blood flow within the heart resulting…”
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The dual effect of ephaptic coupling on cardiac conduction with heterogeneous expression of connexin 43
Published in Journal of theoretical biology (21-05-2016)“…Decreased and heterogeneous expression of connexin 43 (Cx43) are common features in animal heart failure models. Ephpatic coupling, which relies on the…”
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Editorial: Non-linear analysis and machine learning in cardiology
Published in Frontiers in physiology (14-04-2023)Get full text
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7
Dynamics study of constant diastolic interval and constant TR control for cardiac alternans based on a two-dimensional cellular automata model
Published in Nonlinear dynamics (01-12-2022)“…As a precursor for cardiac arrhythmias such as atrial and ventricular fibrillations, which could cause sudden cardiac death, cardiac alternans is essentially…”
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A Data-Driven Preprocessing Framework for Atrial Fibrillation Intracardiac Electrocardiogram Analysis
Published in Entropy (Basel, Switzerland) (01-02-2023)“…Atrial Fibrillation (AF) is the most common cardiac arrhythmia. Signal-processing approaches are widely used for the analysis of intracardiac electrograms…”
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Image-Decomposition-Enhanced Deep Learning for Detection of Rotor Cores in Cardiac Fibrillation
Published in IEEE transactions on biomedical engineering (01-01-2024)“…Objective: Rotors, regions of spiral wave reentry in cardiac tissues, are considered as the drivers of atrial fibrillation (AF), the most common arrhythmia…”
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10
Architectural Considerations in the Design of a Superconducting Quantum Annealing Processor
Published in IEEE transactions on applied superconductivity (01-08-2014)“…We have developed a quantum annealing processor, based on an array of tunable coupled rf-SQUID flux qubits, fabricated in a superconducting integrated circuit…”
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Real-Time Closed Loop Diastolic Interval Control Prevents Cardiac Alternans in Isolated Whole Rabbit Hearts
Published in Annals of biomedical engineering (01-04-2018)“…Cardiac alternans, a beat-to-beat alternation in action potential duration ( APD ), can lead to fatal arrhythmias. During periodic pacing, changes in diastolic…”
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Novel mapping techniques for rotor core detection using simulated intracardiac electrograms
Published in Journal of cardiovascular electrophysiology (01-05-2021)“…Background Catheter ablation is associated with limited success rates in patients with persistent atrial fibrillation (AF). Currently, existing mapping systems…”
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13
Inhibition of the unfolded protein response reduces arrhythmia risk after myocardial infarction
Published in The Journal of clinical investigation (15-09-2021)“…Ischemic cardiomyopathy is associated with an increased risk of sudden death, activation of the unfolded protein response (UPR), and reductions in multiple…”
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14
Proliferation and Maturation: Janus and the Art of Cardiac Tissue Engineering
Published in Circulation research (17-02-2023)“…During cardiac development and morphogenesis, cardiac progenitor cells differentiate into cardiomyocytes that expand in number and size to generate the fully…”
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15
Atherosclerotic Calcifications Have a Local Effect on the Peel Behavior of Human Aortic Media
Published in Journal of biomechanical engineering (01-06-2024)“…Aortic dissections, characterized by the propagation of a tear through the layers of the vessel wall, are critical, life-threatening events. Aortic…”
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16
Similarity Score for the Identification of Active Sites in Patients With Atrial Fibrillation
Published in Frontiers in physiology (20-01-2022)“…Atrial fibrillation (AF) is the most common cardiac arrhythmia and precursor to other cardiac diseases. Catheter ablation is associated with limited success…”
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The influences of the M2R-GIRK4-RGS6 dependent parasympathetic pathway on electrophysiological properties of the mouse heart
Published in PloS one (18-04-2018)“…A large body of work has established the prominent roles of the atrial M2R-IKACh signaling pathway, and the negative regulatory protein RGS6, in modulating…”
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Role of Conduction Velocity Restitution and Short-Term Memory in the Development of Action Potential Duration Alternans in Isolated Rabbit Hearts
Published in Circulation (New York, N.Y.) (01-07-2008)“…Spatially discordant alternans (SDA) has been linked to life-threatening arrhythmias. The mechanisms underlying SDA development in cardiac tissue remain…”
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A Bionic Testbed for Cardiac Ablation Tools
Published in International journal of molecular sciences (21-11-2022)“…Bionic-engineered tissues have been proposed for testing the performance of cardiovascular medical devices and predicting clinical outcomes ex vivo. Progress…”
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A Phase Defect Framework for the Analysis of Cardiac Arrhythmia Patterns
Published in Frontiers in physiology (22-09-2021)“…During cardiac arrhythmias, dynamical patterns of electrical activation form and evolve, which are of interest to understand and cure heart rhythm disorders…”
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