Search Results - "Salinet, Joao"
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1
Remote monitoring of heart rate variability for obese children
Published in Biomedical signal processing and control (01-04-2021)“…[Display omitted] •Heart rate variability in eutrophic, overweight and obese children.•Remote monitoring of heart rate with smartphone.•Internet-of-things…”
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2
Visualizing intracardiac atrial fibrillation electrograms using spectral analysis
Published in Computing in science & engineering (01-03-2013)“…Atrial fibrillation is the most common cardiac arrhythmia, and it is associated with increased risk of stroke, heart failure, and mortality. This work…”
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3
Minimizing discordances in automated classification of fractionated electrograms in human persistent atrial fibrillation
Published in Medical & biological engineering & computing (01-11-2016)“…Ablation of persistent atrial fibrillation (persAF) targeting complex fractionated atrial electrograms (CFAEs) detected by automated algorithms has produced…”
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4
Characterization of human persistent atrial fibrillation electrograms using recurrence quantification analysis
Published in Chaos (Woodbury, N.Y.) (01-08-2018)“…Atrial fibrillation (AF) is regarded as a complex arrhythmia, with one or more co-existing mechanisms, resulting in an intricate structure of atrial…”
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5
Electrocardiographic Imaging for Atrial Fibrillation: A Perspective From Computer Models and Animal Experiments to Clinical Value
Published in Frontiers in physiology (30-04-2021)“…Electrocardiographic imaging (ECGI) is a technique to reconstruct non-invasively the electrical activity on the heart surface from body-surface potential…”
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6
Distinctive Patterns of Dominant Frequency Trajectory Behavior in Drug-Refractory Persistent Atrial Fibrillation: Preliminary Characterization of Spatiotemporal Instability
Published in Journal of cardiovascular electrophysiology (01-04-2014)“…Frequency Trajectory of Atrial Fibrillation Introduction The role of substrates in the maintenance of persistent atrial fibrillation (persAF) remains poorly…”
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7
Circle Method for Robust Estimation of Local Conduction Velocity High-Density Maps From Optical Mapping Data: Characterization of Radiofrequency Ablation Sites
Published in Frontiers in physiology (12-08-2022)“…Conduction velocity (CV) slowing is associated with atrial fibrillation (AF) and reentrant ventricular tachycardia (VT). Clinical electroanatomical mapping…”
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8
Simultaneous Whole-Chamber Non-contact Mapping of Highest Dominant Frequency Sites During Persistent Atrial Fibrillation: A Prospective Ablation Study
Published in Frontiers in physiology (16-03-2022)“…Sites of highest dominant frequency (HDF) are implicated by many proposed mechanisms underlying persistent atrial fibrillation (persAF). We hypothesized that…”
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9
Standardizing Single-Frame Phase Singularity Identification Algorithms and Parameters in Phase Mapping During Human Atrial Fibrillation
Published in Frontiers in physiology (21-07-2020)“…Recent investigations failed to reproduce the positive rotor-guided ablation outcomes shown by initial studies for treating persistent atrial fibrillation…”
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10
Automatic Extraction of Recurrent Patterns of High Dominant Frequency Mapping During Human Persistent Atrial Fibrillation
Published in Frontiers in physiology (12-03-2021)“…Identifying targets for catheter ablation remains challenging in persistent atrial fibrillation (persAF). The dominant frequency (DF) of atrial electrograms…”
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11
Characterization of atrial arrhythmias in body surface potential mapping: A computational study
Published in Computers in biology and medicine (01-12-2020)“…Atrial tachycardia (AT), flutter (AFL) and fibrillation (AF) are very common cardiac arrhythmias and are driven by localized sources that can be ablation…”
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12
An interactive platform to guide catheter ablation in human persistent atrial fibrillation using dominant frequency, organization and phase mapping
Published in Computer methods and programs in biomedicine (01-04-2017)“…Abstract Background and Objective Optimal targets for persistent atrial fibrillation (persAF) ablation are still debated. Atrial regions hosting high dominant…”
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13
Three-dimensional dominant frequency mapping using autoregressive spectral analysis of atrial electrograms of patients in persistent atrial fibrillation
Published in Biomedical engineering online (08-03-2016)“…Areas with high frequency activity within the atrium are thought to be 'drivers' of the rhythm in patients with atrial fibrillation (AF) and ablation of these…”
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14
The temporal behavior and consistency of bipolar atrial electrograms in human persistent atrial fibrillation
Published in Medical & biological engineering & computing (01-01-2018)“…The unstable temporal behavior of atrial electrical activity during persistent atrial fibrillation (persAF) might influence ablation target identification,…”
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15
Propagation of meandering rotors surrounded by areas of high dominant frequency in persistent atrial fibrillation
Published in Heart rhythm (01-09-2017)“…Identification of arrhythmogenic regions remains a challenge in persistent atrial fibrillation (persAF). Frequency and phase analysis allows identification of…”
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Systematic differences of non-invasive dominant frequency estimation compared to invasive dominant frequency estimation in atrial fibrillation
Published in Computers in biology and medicine (01-01-2019)“…Non-invasive analysis of atrial fibrillation (AF) using body surface mapping (BSM) has gained significant interest, with attempts at interpreting atrial…”
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PO-05-173 INTEGRATED PANORAMIC OPTICAL AND ELECTRICAL MAPPING OF CARDIAC ARRHYTHMIAS: A EXPERIMENTAL APPROACH USING RABBIT-ISOLATED HEARTS
Published in Heart rhythm (01-05-2024)Get full text
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18
A novel method for automatic standardization of digital electrocardiographs
Published in 2015 Computing in Cardiology Conference (CinC) (01-09-2015)“…It is crucial to assure the quality of ECG recordings to support correct clinical interpretation. This research aimed at developing an automated…”
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Conference Proceeding Journal Article -
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Unsupervised Classification of Atrial Electrograms for Electroanatomic Mapping of Human Persistent Atrial Fibrillation
Published in IEEE transactions on biomedical engineering (01-04-2021)“…Objective: Ablation treatment for persistent atrial fibrillation (persAF) remains challenging due to the absence of a 'ground truth' for atrial substrate…”
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A k-Nearest Neighbours Classifier for Predicting Catheter Ablation Responses Using Noncontact Electrograms During Persistent Atrial Fibrillation
Published in 2018 Computing in Cardiology Conference (CinC) (01-09-2018)“…The mechanisms for the initiation and maintenance of atrial fibrillation (AF) are still poorly understood. Identification of atrial sites which are effective…”
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Conference Proceeding