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Browsing by Subject "Catheter ablation"

Now showing items 21-26 of 26

Standardizing Single-Frame Phase Singularity Identification Algorithms and Parameters in Phase Mapping During Human Atrial Fibrillation

Li, Xin; Almeida, Tiago P.; Dastagir, Nawshin; Guillem Sánchez, María Salud; Salinet, Joao; Chu, Gavin S.; Stafford, Peter J.; Schlindwein, Fernando S.; Ng, G. André (Frontiers Media SA, 2020-07-21)

[EN] Purpose Recent investigations failed to reproduce the positive rotor-guided ablation outcomes shown by initial studies for treating persistent atrial fibrillation (persAF). Phase singularity (PS) is an important feature ...
Study on How Catheter Ablation Affects Atrial Structures in Patients with Paroxysmal Atrial Fibrillation: The Case of the Coronary Sinus

Vraka, Aikaterini; Bertomeu-González, Vicente; Osca, Joaquín; Ravelli, Flavia; Alcaraz, Raúl; Rieta, J J (IEEE, 2020-10-30)

[EN] It has been shown that substrate modification due to catheter ablation (CA), the first-line treatment of paroxysmal atrial fibrillation (PAF), provokes alterations in P-wave features of the surface electrocardiogram. ...
Substrate Mapping for Ventricular Tachycardia Ablation Through High-Density Whole-Chamber Double Extra Stimuli The S3 Protocol

Guichard, Jean Baptiste; Regany-Closa, Mariona; Vázquez-Calvo, Sara; Zazu, Blanca; Pellicer Sendra, Berta; Serrano-Campaner, Jaume; Molero-Pereira, Silvia; Borras, Roger; Ortiz, Jose Tomas; Falzone, Pasquale Valerio; Eulogio, Frida; Reventós-Presmanes, Jana; Garre, Paz; Arbelo, Elena; Althoff, Till Friedrisch; Eduard Guasch (Elsevier, 2024-07)

[EN] Background: A partial delineation of targets for ablation of ventricular tachycardia (VT) during a stable rhythm is likely responsible for a suboptimal success rate. The abnormal low-voltage near-field functional ...
The Dissimilar Impact in Atrial Substrate Modification of Left and Right Pulmonary Veins Isolation after Catheter Ablation of Paroxysmal Atrial Fibrillation

Vraka, Aikaterini; Bertomeu-González, Vicente; Fácila, Lorenzo; Moreno-Arribas, José; Alcaraz, Raul; Rieta, J J (MDPI AG, 2022-03)

[EN] Since the discovery of pulmonary veins (PVs) as foci of atrial fibrillation (AF), the commonest cardiac arrhythmia, investigation revolves around PVs catheter ablation (CA) results. Notwith-standing, CA process itself ...
The Relevance of Heart Rate Fluctuation When Evaluating Atrial Substrate Electrical Features in Catheter Ablation of Paroxysmal Atrial Fibrillation

Vraka, Aikaterini; Moreno-Arribas, José; Gracia-Baena, Juan M.; Hornero, Fernando; Alcaraz, Raúl; Rieta, J J (MDPI AG, 2022-06-01)

[EN] Coronary sinus (CS) catheterization is critical during catheter ablation (CA) of atrial fibrillation (AF). However, the association of CS electrical activity with atrial substrate modification has been barely investigated ...
Variation of P-wave indices in paroxysmal atrial fibrillation patients before and after catheter ablation

Ortigosa, Nuria; Ayala, Guillermo; Cano, Óscar (Elsevier, 2021-04)

[EN] The effects of pulmonary vein isolation in the surface electrocardiogram of patients with paroxysmal atrial fibrillation are analyzed in this paper using non-invasive markers for early detection of the arrhythmia ...