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Distribution Variance of Focal Atrial Tachycardia Foci and Long-Term Outcomes After Ablation. We aimed to evaluate age differences in foci and factors influencing recurrence after radiofrequency catheter ablation in adult and juvenile patients with FAT. After a mean follow-up of 47.2 months, FAT recurred in 57 patients.
Based on continuous monitoring of early recurrence of atrial tachyarrhythmia immediately after patients have undergone atrial fibrillation ablation, Musat et al. Early recurrence of atrial tachyarrhythmia (ERAT) is commonly seen following catheter ablation of AF, with reported incidences of up to 61% in the first three months.
Outcomes of ablation with the FARAPULSE PFA System – a nonthermal treatment in which electric fields selectively ablate heart tissue – will be compared to outcomes following use of anti-arrhythmic drug (AAD) therapy, which is commonly prescribed for patients living with persistent AF.
EGF mapping allows physicians to detect EGF sources and is designed to individualize ablation strategies based on underlying pathophysiologic mechanisms to potentially improve outcomes. By guiding ablation therapy, [EGF mapping] can enable clinicians to provide personalized, highly targeted treatment."
Innovation in medical technology exists to improve patient outcomes, increase surgical efficiency and enhance patient safety. The expo floor was a veritable candy store for the scientifically minded electrophysiologist, with displays of wares that promised to improve the clinician’s outcomes.
Introduction Catheter ablation is an effective and safe strategy for treating atrial fibrillation patients. Nevertheless, studies on the long-term outcomes of catheter ablation in patients with dilated cardiomyopathy are limited. Among the catheter ablation group, 58.7% ( n = 27) had persistent atrial fibrillation.
Additional rhythm-control strategies are frequently continued after index ablation for atrial fibrillation (AFib), according to a study published Feb. 12 in JACC: Clinical Electrophysiology.
Ablation in VT in patients with electrical storm (ES) is challenging and associated with increased peri-procedural morbidity and mortality. The implications of ES on electrophysiological characteristics are not well understood.
Twenty‐six PVT/ventricular fibrillation–triggering PVCs were identified for ablation. After a mean follow‐up of 49 months after ablation, 8 (57%) patients were free from syncope recurrence. Ablation of trigger beat significantly reduced the syncope frequency (mean±SD, 4.3±1.6
There is limited data regarding safety, electrophysiologic characteristics and arrhythmia substrate during ventricular tachycardia (VT) ablation in patients with prior aortic valve replacement (AVR).
Atypical Atrial Flutter (AAFL) prevalence is increasing due to the escalating Atrial Fibrillation (AF) ablations and cardiac surgeries. We wanted to explore the outcome of the AAFL ablation, considering the recent changes in mapping and ablation.
Despite the relative efficacy of ablation, the risk of AF recurrence is substantial, particularly in patients with persistent AF (perAF). At present we do not have any reliable intra-procedural electrophysiologic predictors of long-term success of AF ablation other than pulmonary vein isolation.
Ventricular tachycardia (VT) ablation in structural heart disease improves arrhythmia free survival. Procedural factors that influence these outcomes are not well described.
Abstract Introduction Some previous studies have reported that a first-step ethanol infusion into the vein of Marshall (EIVOM) with touch-up radiofrequency (RF) ablation can facilitate mitral isthmus (MI) block and improves the ablationoutcomes in persistent atrial fibrillation (PeAF) patients. 0.78, p = .006).
BACKGROUND:Current outcomes from catheter ablation for scar-dependent ventricular tachycardia (VT) are limited by high recurrence rates and long procedure durations. Contrast-enhanced cardiac magnetic resonance images were used to reconstruct finite-element meshes, onto which regional electrophysiological properties were applied.
It is with great pride that we announce the resounding success of ADN CoE' s AFib Ablation Training program, the second installment in our esteemed Ablation Series, held at the prestigious 9 Eylül University Heart Rhythm Management Centre. COMING AHEAD: www.adncoe.com
Novel technologies and ablation techniques for identification of AF sources and personalized substrate modification may be required to improve outcomes for persistent AF.
We present the long-term outcome of catheter ablation (CA) and electrophysiological characteristics in HIV+ AF patients. Non-PV triggers, defined as ectopic triggers originating from sites other than PVs, were identified at the redo ablation with high-dose isoproterenol challenge. vs. 54%, p < .001], vs. 87.1%, p = .753]
This study of 16 patients with persistent left superior vena cava (PLSVC) undergoing atrial fibrillation ablation shows a 66.7% identification rate of PLSVC-related triggers and an 85% success rate in acute isolation or targeted ablation. recurrence rate signals the need for enhanced outcomes in this challenging population.
It is with great pride that we announce the resounding success of ADN CoE' s AFib Ablation Training program, the second installment in our esteemed Ablation Series, held at the prestigious 9 Eylül University Heart Rhythm Management Centre. COMING AHEAD: www.adncoe.com
In the past decade, major advances were made in catheter ablation for arrhythmias and implantation of cardiac implantable electronic devices.1 1 Catheter ablation for atrial fibrillation (AF) and ventricular tachycardia (VT) has become the standard of care for many patients presenting with these arrhythmias.2–4
Pulsed-field ablation (PFA) is becoming increasingly relevant in the field of electrophysiology. Besides single-shot PFA devices for pulmonary vein isolation (PVI), point-by-point PFA is also gaining importance due to many possible applications. Data on the use is sparse, especially for atrial tachycardia (AT).
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:It is difficult to identify patients with atrial fibrillation (AF) most likely to respond to ablation. We compared 6 machine learning models to predict acute and long-term end points after ablation and used Shapley explainability analysis to contrast phenotypes.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. We investigate whether additional linear ablation from the superior vena cava to the right atrial septum and cavotricuspid isthmus ablation improves the rhythm outcome of patients with persistent AF undergoing cryoballoon PVI (Cryo-PVI).METHODS:In
ABSTRACT Background Discrete prepotentials (DPPs) mapped inside aortic sinuses of Valsalva (ASVs) are deemed as reliable targets for ablation of premature ventricular contractions (PVCs). Nevertheless, ablation may still fail, necessitating further investigation. Of 780 assessed patients, 40 (age 47.519.4;
a company primarily focused on leveraging its novel and proprietary CellFX Nanosecond Pulsed Field Ablation (nsPFA) technology for the treatment of atrial fibrillation, announced the completion of the first five procedures in its first-in-human feasibility study with its novel CellFX nsPFA cardiac catheter.
Abstract Introduction Influence of early atrial fibrillation (AF) ablation, particularly cryoballoon ablation (CBA), on clinical outcome during long-term follow-up has not been clarified. The primary outcome was recurrence of atrial tachyarrhythmias (ATs) of ≥30-s after a 3-month blanking period.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:Epicardial approach in ventricular tachycardia (VT) ablation is still regarded as a second-step strategy, due to the risk of complications. The epicardial approach was considered useful if epicardial ablation was performed after epicardial mapping.
ABSTRACT Introduction Pulmonary vein isolation (PVI) by cryoballoon ablation (CBA) is considered an effective primary strategy for early persistent atrial fibrillation (AF). The primary outcome was recurrence of atrial tachyarrhythmias (ATs) of 30-s after a 3-month blanking period. years, 80% men) underwent de novo CBA.
ABSTRACT Background Ultra-low temperature cryoablation (ULTC) is a technique designed to rapidly cool cardiac tissue to extremely low temperatures, enabling the creation of ablation lesions for the treatment of atrial fibrillation (AF). Arrhythmia outcomes after repeat ablation were evaluated.
Abstract Introduction To evaluate the cost and efficiency of suture-mediated percutaneous closure (SMC) compared to manual compression (MC) after atrial fibrillation (AF) ablation. SMC has been demonstrated to be efficacious in reducing hemostasis and bedrest times after AF ablation.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:Epicardial radiofrequency catheter ablation (RFCA) of idiopathic ventricular arrhythmias (VAs) originating from the left ventricular summit (LVS) is challenging because of the anatomic barriers.
Infusion and uptake of calcium chloride during pulsed field ablation leads to greater irreversible electroporation and larger myocardial ablation lesions. Abstract Introduction Pulsed field ablation (PFA) has emerged as an innovative therapy for cardiac arrhythmias.
Non-PV atrial fibrillation (AF) triggers were the main target in patients without PV reconnection in the second ablation procedure, but the outcome was unclear. Despite aggressive ablation for non-PV triggers, AT recurrence was more frequent in patients with PV non-reconnection. vs. 75.4%, respectively; p = .01
Catheter ablation of atrial fibrillation in infiltrative cardiomyopathies ABSTRACT Atrial and ventricular arrhythmias are common in patients with Infiltrative heart diseases. Scant reports regarding ablation are described for HH and glycogen storage disorders. Future large-scale trials are needed to confirm these findings.
ABSTRACT Introduction Data regarding safety and long-term outcome of very high-power-short duration (vHPSD) ablation in adult congenital heart disease (ACHD) patients with paroxysmal or persistent atrial fibrillation (AF) are lacking. Conclusion vHPSD for ablation of paroxysmal or persistent AF in ACHD patients is safe and effective.
ABSTRACT Introduction The aim of this study was to describe our experience and outcome of ablation therapy for arrhythmias in pediatrics at a tertiary care center. All pediatrics presenting to AUBMC between 2000 and 2020 who underwent cardiac ablation were included. Results We had 67 patients who underwent cardiac ablation.
ABSTRACT Background Catheter ablation improves symptoms and quality of life in atrial fibrillation patients, but its effect on adverse cardiovascular outcomes and mortality remains uncertain. that ablation is superior in reducing adverse cardiovascular outcomes and mortality, respectively.
Abstract Introduction The effectiveness and safety of 50W, high-power, short-duration (HPSD) ablation in superior vena cava isolation (SVCI) for patients with atrial fibrillation (AF) have been reported. However, the acute outcomes of SVCI combined with 90W/4s, very high-power, short-duration (vHPSD) ablation remain unknown.
Obesity is associated with reduced catheter ablation-induced scar formation on late-gadolinium enhancement MRI. Abstract Introduction Obesity is implicated in adverse atrial remodeling and worse outcomes in patients with atrial fibrillation. Ablation parameters and lesion delivery were not dependent on BMI.
Abstract Background The formation of transmural lesions is necessary for the ablation of persistent atrial fibrillation (prAF). Ablation index (AI) and generator impedance drop (ID) predict lesion size but their correlation with long-term outcomes in prAF is not known.
Abstract Introduction The utility of ablation index (AI) to guide ventricular tachycardia (VT) ablation in patients with structural heart disease is unknown. Methods Consecutive patients ( n = 103) undergoing initial VT ablation at a single center from 2017 to 2022 were evaluated. 34], scar dechanneling [19% vs. 8%; p = .18],
Abstract Background The newly introduced nonthermal pulsed field ablation (PFA) is a promising technology to achieve fast pulmonary vein isolation (PVI) with high acute success rates and good safety features. Data comparing PFA to VHPSD-PVI is lacking. Two tamponades occurred in the PFA while in VHPSD two pts suffered groin bleedings.
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