Search Results - "Seemann, Gunnar"
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Macrophages Facilitate Electrical Conduction in the Heart
Published in Cell (20-04-2017)“…Organ-specific functions of tissue-resident macrophages in the steady-state heart are unknown. Here, we show that cardiac macrophages facilitate electrical…”
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2
The openCARP simulation environment for cardiac electrophysiology
Published in Computer methods and programs in biomedicine (01-09-2021)“…•We present the openCARP simulation environment as a solution that could foster the needs of large parts of the computational cardiac electrophysiology…”
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3
Slow Conduction in the Border Zones of Patchy Fibrosis Stabilizes the Drivers for Atrial Fibrillation: Insights from Multi-Scale Human Atrial Modeling
Published in Frontiers in physiology (25-10-2016)“…The genesis of atrial fibrillation (AF) and success of AF ablation therapy have been strongly linked with atrial fibrosis. Increasing evidence suggests that…”
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A Fully-Coupled Electro-Mechanical Whole-Heart Computational Model: Influence of Cardiac Contraction on the ECG
Published in Frontiers in physiology (16-12-2021)“…The ECG is one of the most commonly used non-invasive tools to gain insights into the electrical functioning of the heart. It has been crucial as a foundation…”
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Effects of early afterdepolarizations on excitation patterns in an accurate model of the human ventricles
Published in PloS one (07-12-2017)“…Early Afterdepolarizations, EADs, are defined as the reversal of the action potential before completion of the repolarization phase, which can result in…”
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A computational model of rabbit geometry and ECG: Optimizing ventricular activation sequence and APD distribution
Published in PloS one (30-06-2022)“…Computational modeling of electrophysiological properties of the rabbit heart is a commonly used way to enhance and/or complement findings from classic lab…”
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Computational modeling of the human atrial anatomy and electrophysiology
Published in Medical & biological engineering & computing (01-08-2012)“…This review article gives a comprehensive survey of the progress made in computational modeling of the human atria during the last 10 years. Modeling the…”
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8
Electro-Mechanical Whole-Heart Digital Twins: A Fully Coupled Multi-Physics Approach
Published in Mathematics (Basel) (01-06-2021)“…Mathematical models of the human heart are evolving to become a cornerstone of precision medicine and support clinical decision making by providing a powerful…”
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Patient-Specific Identification of Atrial Flutter Vulnerability-A Computational Approach to Reveal Latent Reentry Pathways
Published in Frontiers in physiology (14-01-2019)“…Atypical atrial flutter (AFlut) is a reentrant arrhythmia which patients frequently develop after ablation for atrial fibrillation (AF). Indeed, substrate…”
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10
In silico screening of the key cellular remodeling targets in chronic atrial fibrillation
Published in PLoS computational biology (01-05-2014)“…Chronic atrial fibrillation (AF) is a complex disease with underlying changes in electrophysiology, calcium signaling and the structure of atrial myocytes. How…”
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11
Molecular Mechanism of Autosomal Recessive Long QT-Syndrome 1 without Deafness
Published in International journal of molecular sciences (23-01-2021)“…encodes the voltage-gated potassium (Kv) channel KCNQ1, also known as KvLQT1 or Kv7.1. Together with its ß-subunit KCNE1, also denoted as minK, this channel…”
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Hyperinsulinemic Hypoglycemia Associated with a CaV1.2 Variant with Mixed Gain- and Loss-of-Function Effects
Published in International journal of molecular sciences (01-08-2022)“…The voltage-dependent L-type calcium channel isoform CaV1.2 is critically involved in many physiological processes, e.g., in cardiac action potential…”
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13
Modeling effects of voltage dependent properties of the cardiac muscarinic receptor on human sinus node function
Published in PLoS computational biology (01-10-2018)“…The cardiac muscarinic receptor (M2R) regulates heart rate, in part, by modulating the acetylcholine (ACh) activated K+ current IK,ACh through dissociation of…”
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14
Sodium permeable and “hypersensitive” TREK‐1 channels cause ventricular tachycardia
Published in EMBO molecular medicine (01-04-2017)“…In a patient with right ventricular outflow tract (RVOT) tachycardia, we identified a heterozygous point mutation in the selectivity filter of the…”
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15
Confocal Microscopy-Based Estimation of Parameters for Computational Modeling of Electrical Conduction in the Normal and Infarcted Heart
Published in Frontiers in physiology (04-04-2018)“…Computational modeling is an important tool to advance our knowledge on cardiac diseases and their underlying mechanisms. Computational models of conduction in…”
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16
Heterogeneous three-dimensional anatomical and electrophysiological model of human atria
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (15-06-2006)“… model of a human atrial cell. Maximum conductances of…”
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Pharmacologic TWIK-Related Acid-Sensitive K+ Channel (TASK-1) Potassium Channel Inhibitor A293 Facilitates Acute Cardioversion of Paroxysmal Atrial Fibrillation in a Porcine Large Animal Model
Published in Journal of the American Heart Association (18-05-2020)“…Background The tandem of P domains in a weak inward rectifying K+ channel (TWIK)-related acid-sensitive K channel (TASK-1; hK 3.1) two-pore-domain potassium…”
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18
Spatial Patterns of Excitation at Tissue and Whole Organ Level Due to Early Afterdepolarizations
Published in Frontiers in physiology (22-06-2017)“…Early after depolarizations (EAD) occur in many pathological conditions, such as congenital or acquired channelopathies, drug induced arrhythmias, and several…”
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CVAR-Seg: An Automated Signal Segmentation Pipeline for Conduction Velocity and Amplitude Restitution
Published in Frontiers in physiology (24-05-2021)“…Rate-varying S1S2 stimulation protocols can be used for restitution studies to characterize atrial substrate, ionic remodeling, and atrial fibrillation risk…”
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Myocyte Remodeling Due to Fibro-Fatty Infiltrations Influences Arrhythmogenicity
Published in Frontiers in physiology (04-10-2018)“…The onset of cardiac arrhythmias depends on the electrophysiological and structural properties of cardiac tissue. Electrophysiological remodeling of myocytes…”
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