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persistent atrial fibrillation

Empirical Mode Decomposition of Multiple ECG Leads for Catheter Ablation Long-Term Outcome Prediction in Persistent Atrial Fibrillation

Empirical Mode Decomposition of Multiple ECG Leads for Catheter Ablation Long-Term Outcome Prediction in Persistent Atrial Fibrillation

... Abstract— Predictive models arouse increasing interest in clinical practice, not only to improve successful intervention rates but also to extract information of diverse physiological disorders. This is the case of ...

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Multidimensional Characterization of Fibrillatory Wave Amplitude on Surface ECG to Describe Catheter Ablation Impact on Persistent Atrial Fibrillation

Multidimensional Characterization of Fibrillatory Wave Amplitude on Surface ECG to Describe Catheter Ablation Impact on Persistent Atrial Fibrillation

... INTRODUCTION Persistent atrial fibrillation (AF) is an arrhythmia char- acterized by the generation of irregular electrical patterns, inducing an uncoordinated mechanical ...that persistent AF ...

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Identification of Spatiotemporal Dispersion Electrograms in Persistent Atrial Fibrillation Ablation Using Maximal Voltage Absolute Values

Identification of Spatiotemporal Dispersion Electrograms in Persistent Atrial Fibrillation Ablation Using Maximal Voltage Absolute Values

... Abstract—Atrial fibrillation (AF) is a sustained arrhythmia whose mechanisms are still largely ...different persistent AF ...Terms—persistent atrial fibrillation, spatiotemporal ...

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Tensor Modeling of the ECG for Persistent Atrial Fibrillation Analysis

Tensor Modeling of the ECG for Persistent Atrial Fibrillation Analysis

... The rst aim of the present doctoral thesis was to validate this tensor-based approach as an AA extraction tool through experiments over a population of persistent AF patients and over a [r] ...

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Identification of Ablation Sites in Persistent Atrial Fibrillation Based on Spatiotemporal Dispersion of Electrograms Using Machine Learning

Identification of Ablation Sites in Persistent Atrial Fibrillation Based on Spatiotemporal Dispersion of Electrograms Using Machine Learning

... Figure 2. PentaRay multi-spline catheter. tated dispersion points from both right and left atrial car- tographies. The study dataset includes a cohort of 35563 10-channel EGM signals of length 2.5 s composed of ...

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Data Augmentation for Automatic Identification of Spatiotemporal Dispersion Electrograms in Persistent Atrial Fibrillation Ablation Using Machine Learning

Data Augmentation for Automatic Identification of Spatiotemporal Dispersion Electrograms in Persistent Atrial Fibrillation Ablation Using Machine Learning

... B. STD-Guided Ablation A recent breakthrough study revealed that ablating only areas of STD in the atria can terminate AF in 95% of a cohort of 105 patients with a recurrence rate of 15% within 18 months of follow-up ...

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Spatial variability of the 12-lead surface ECG as a tool for noninvasive prediction of catheter ablation outcome in persistent atrial fibrillation

Spatial variability of the 12-lead surface ECG as a tool for noninvasive prediction of catheter ablation outcome in persistent atrial fibrillation

... AF analysis by means of non-invasive ECG recordings has received considerable attention in recent years, spurring the development of signal processing techniques for a more advanced characterization of the atrial ...

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Noninvasive Characterisation of Short-and Long-Term Recurrence of Atrial Signals During Persistent Atrial Fibrillation

Noninvasive Characterisation of Short-and Long-Term Recurrence of Atrial Signals During Persistent Atrial Fibrillation

... 3. Conclusions This study proposed two antithetical phenomenological models for noninvasively characterising short- and long- term dynamics of AA propagation during AF. One model assumes a process with stationary spatial ...

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Spatio-temporal characterization of the surface electrocardiogram for catheter ablation outcome prediction in persistent atrial fibrillation

Spatio-temporal characterization of the surface electrocardiogram for catheter ablation outcome prediction in persistent atrial fibrillation

... 3.5.3 Radiofrequency catheter ablation In this paragraph, most of the description of CA procedure refers to [92]. Radiofre- quency CA is a nonsurgical procedure for treating AF aiming at the electrical isolation of ...

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Source Analysis and Selection Using Block Term Decomposition in Atrial Fibrillation

Source Analysis and Selection Using Block Term Decomposition in Atrial Fibrillation

... Fig. 1: A single-beat segment of an AF ECG recording of one patient in lead II. The vertical line marks the location of the T-wave offset. for r = 1, 2, ..., 12. This choice is made based on the work [9], which showed ...

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Temporal Stability of Block Term Decomposition in Noninvasive Atrial Fibrillation Analysis

Temporal Stability of Block Term Decomposition in Noninvasive Atrial Fibrillation Analysis

... NTRODUCTION Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia encountered in clinical practice and is considered a major health and economical concern, since about 160 000 new ...

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LOX and LOX-Like Proteins as Potential Therapeutic Target for Atrial Fibrillation

LOX and LOX-Like Proteins as Potential Therapeutic Target for Atrial Fibrillation

... Abstract Lysyl oxidase (LOX) and LOX-like (LOXL-1, 2, 3 and 4) proteins have a crucial role in extracellular matrix (ECM) remodeling in several types of heart disease, such as heart failure (HF) and fibrosis. The main ...

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Population-Based Models of Shape, Structure, and Deformation in Atrial Fibrillation

Population-Based Models of Shape, Structure, and Deformation in Atrial Fibrillation

... 4.3.1.2 Imaging Protocol Contrast-enhanced cardiac CT was performed within 48 hours prior to ablation using dual-source CT scanners 3 [Labarthe et al., 2012]. Compared with previous literature [Bisbal et al., 2013; ...

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F-wave Amplitude Stability on Multiple Electrocardiogram Leads in Atrial Fibrillation

F-wave Amplitude Stability on Multiple Electrocardiogram Leads in Atrial Fibrillation

... 2.1. Atrial activity signal extraction We examined a set of 12-lead ECG signals acquired right before CA in 34 patients affected by persistent AF and treated at the Cardiology Department, Princess Grace ...

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Empirical Mode Decomposition for Noninvasive Atrial Fibrillation Dominant Frequency Estimation

Empirical Mode Decomposition for Noninvasive Atrial Fibrillation Dominant Frequency Estimation

... Furthermore, EEMD works properly without requiring QRST cancellation. Therefore, the mathematical complex- ity of the implementation is reduced and shorter time intervals can yield satisfactory performance, as shown in ...

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Automated atrial fibrillation source detection using shallow convolutional neural networks

Automated atrial fibrillation source detection using shallow convolutional neural networks

... practice, atrial fibrillation (AF) is a supraventric- ular tachyarrhythmia characterized by an uncoordinated and irregular atrial activation ...

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Compressed sensing for the extraction of atrial fibrillation patterns from surface electrocardiograms

Compressed sensing for the extraction of atrial fibrillation patterns from surface electrocardiograms

... and atrial activities are uncoupled [1] and that the ECG is the sum of both, added to interferences with the activities of the surrounding organs, vessels and noise due to the acquisition system, we intend to ...

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Susceptibility to Paroxysmal Atrial Fibrillation: A Study using Sinus Rhythm P Wave Parameters

Susceptibility to Paroxysmal Atrial Fibrillation: A Study using Sinus Rhythm P Wave Parameters

... Therefore, the purpose of this investigation is to deter- mine whether parameters resulting from the analysis of the P wave in ECG recorded during sinus rhythm could be markers for paroxysmal atrial ...

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Löwner-Based Tensor Decomposition for Blind Source Separation in Atrial Fibrillation ECGs

Löwner-Based Tensor Decomposition for Blind Source Separation in Atrial Fibrillation ECGs

... Furthermore, the present work assesses BTD for the first time in segments with short R-R intervals and with disorga- nized (f waves with no sawtooth pattern) and/or weak AA of a population of patients with ...

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Computed Tomography to Ultrasound 2D image registration evaluation for atrial fibrillation treatment

Computed Tomography to Ultrasound 2D image registration evaluation for atrial fibrillation treatment

... Abstract This work aims to evaluate intensity-based similarity measures used in rigid or elastic registration techniques to align preoperative computed tomography (CT) and trans- esophageal ultrasound (US) images of the ...

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