American College of Cardiology

FEBRUARY 19, 2025

In this weeks View, Dr. Eagle looks at arrhythmia recurrence and rhythm control after catheter ablation for atrial fibrillation. He then discusses long-term outcomes in transthyretin amyloid cardiomyopathy in patients treated with tafamidis.

Arrhythmia 56

Arrhythmia Cardiomyopathy Ablation AFIB 56

DAIC

FEBRUARY 2, 2024

a global leader in cardiac arrhythmia treatment and part of Johnson & Johnson MedTechi , revealed findings from a company-funded study of real-world data. Biosense Webster's zero fluoroscopy workflow is the first and only such workflow available in a radiofrequency (RF) cardiac ablation device.

Ablation 105

Ablation Atrial Fibrillation AFIB Heart Rhythm 105

Frontiers in Cardiovascular Medicine

JANUARY 31, 2024

Background Pulmonary vein isolation with wide antral ablation leads to better clinical outcomes for the treatment of atrial fibrillation, but the isolation lesion is invisible in conventional cryoballoon ablation. The rate of 12-month freedom from clinical atrial arrhythmia recurrence was 85.1% min vs. 102.45 ± 21.01 min,

Atrial Fibrillation 64

Atrial Fibrillation Ablation Pulmonary Outcomes 64

Frontiers in Cardiovascular Medicine

DECEMBER 14, 2023

Limited information exists regarding the effects of concurrent atrial flutter on the long-term outcomes of rhythm control. This study investigated the association between concurrent typical atrial flutter and cavotricuspid isthmus (CTI) ablation and the recurrence of atrial arrhythmia. vs. 29.9%, p  < 0.001).

Atrial Flutter 64

Atrial Flutter Atrial Fibrillation Ablation Arrhythmia 64

HeartRhythm

AUGUST 13, 2024

Atrial arrhythmias (AA), particularly atrial fibrillation (AF), are prevalent in CA and may impact long-term cardiovascular outcomes, prompting an investigation into early rhythm management strategies.2 2 However, a significant gap in understanding the safety and efficacy of AA ablation in these patients remains.

Arrhythmia 40

Arrhythmia Ablation Atrial Fibrillation Outcomes 40

HeartRhythm

APRIL 30, 2024

Ventricular tachycardia (VT) ablation in structural heart disease improves arrhythmia free survival. Procedural factors that influence these outcomes are not well described.

Arrhythmia 40

Arrhythmia Ablation Electrophysiology Outcomes 40

HeartRhythm

APRIL 30, 2024

Arrhythmias are common in patients with hypertrophic cardiomyopathy (HCM) and are associated with increased morbidity and mortality. Ventricular arrhythmias (VA) are less common compared to supraventricular arrhythmias yet are associated with worse outcomes in this patient population.

Arrhythmia 40

Arrhythmia Cardiomyopathy Ablation Outcomes 40

Frontiers in Cardiovascular Medicine

JANUARY 15, 2024

Background Catheter ablation (CA) for symptomatic atrial fibrillation (AF) offers the best outcomes for patients. Data were collected from the MPH AF Ablation Registry with the approval of the institutional research board. of patients remaining free from atrial arrhythmia at 1 year and 72.3%

Ablation 64

Ablation Atrial Fibrillation BMI Arrhythmia 64

Frontiers in Cardiovascular Medicine

JANUARY 16, 2024

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.

Atrial Fibrillation 64

Atrial Fibrillation Ablation Cardiomyopathy Heart Failure 64

Journal of Cardiovascular Electrophysiology

NOVEMBER 29, 2023

However, the incidence of ventricular arrhythmias (VAs) is high in this population, both in the acute and delayed phases after implantation. About one-third of patients implanted with an LVAD will experience sustained VAs, predisposing these patients to worse outcomes and complicating patient management.

Arrhythmia 75

Arrhythmia Heart Failure Ablation Outcomes 75

Frontiers in Cardiovascular Medicine

FEBRUARY 5, 2025

IntroductionAtrial fibrillation (AF) is a prevalent cardiac arrhythmia and a significant contributor to cardioembolic stroke, a condition closely linked to cognitive decline. However, research reveals that AF itself is independently associated with an increased risk of cognitive impairment.

Atrial Fibrillation 52

Atrial Fibrillation Ablation Arrhythmia Research 52

Circulation: Arrhythmia and Electrophysiology

APRIL 17, 2024

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.

Arrhythmia 45

Arrhythmia Ablation Electrophysiology Outcomes 45

Journal of Cardiovascular Electrophysiology

OCTOBER 14, 2024

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. 013 (arrhythmia-free survival of 67% vs. 52%).

Arrhythmia 40

Arrhythmia Ablation Atrial Fibrillation Outcomes 40

HeartRhythm

JANUARY 7, 2025

Patients with D-transposition of the great arteries (D-TGA) palliated with atrial switch often develop atrial arrhythmias (AA) requiring pulmonary venous atrium (PVA) access for ablation, which can be achieved via retrograde aortic approach (RAA) or trans-baffle access (TBA).13

Arrhythmia 45

Arrhythmia Aortic Ablation Pulmonary 45

Journal of the American Heart Association

DECEMBER 8, 2023

The primary end point was syncope recurrence, and the secondary end point was the reduction of the ventricular arrhythmia score during exercise testing. The primary end point was syncope recurrence, and the secondary end point was the reduction of the ventricular arrhythmia score during exercise testing.

Ablation 45

Ablation Tachycardia Electrophysiology Outcomes 45

Frontiers in Cardiovascular Medicine

FEBRUARY 11, 2024

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.

Pulmonary 64

Pulmonary Ablation Atrial Fibrillation Electrophysiology 64

HeartRhythm

APRIL 30, 2024

Stereotactic arrhythmia radioablation (STAR) is used as a rescue treatment for refractory ventricular tachycardia (VT) following unsuccessful radiofrequency catheter ablation (RFCA). The mid-term outcomes of STAR, however, remain poorly known.

Tachycardia 40

Tachycardia Arrhythmia Outcomes Ablation 40

Journal of Cardiovascular Electrophysiology

MARCH 4, 2024

ECG data during the clinical arrhythmia (ventricular tachycardia [VT], upper left figure) is analyzed with an artificial intelligence algorithm which identifies a probable location of the source of the arrhythmia (left ventricular anterolateral papillary muscle, lower left figure). cm, LVEF 50 ± 18%) and was similar to 28 controls.

Arrhythmia 40

Arrhythmia Ablation Tachycardia Atrial Fibrillation 40

DAIC

JUNE 11, 2024

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.

Innovation 104

Innovation AFIB Technology Electrophysiology 104

European Journal of Heart Failure

FEBRUARY 25, 2025

Overview of the study population and effects observed after catheter ablation for atrial fibrillation. Herein we describe the effects of catheter ablation on AF burden, arrhythmia recurrences, and ventricular function in end-stage HF. to 39.18.3% ( p <0.001) following ablation. PVI, pulmonary vein isolation.

Atrial Fibrillation 40

Atrial Fibrillation Ablation Heart Failure Arrhythmia 40

Journal of Cardiovascular Electrophysiology

NOVEMBER 11, 2024

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.

Atrial Fibrillation 40

Atrial Fibrillation Ablation Outcomes Pulmonary 40

Journal of Cardiovascular Electrophysiology

MARCH 27, 2025

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.

Atrial Fibrillation 40

Atrial Fibrillation Ablation Arrhythmia Bicuspid/Mitral 40

HeartRhythm

APRIL 30, 2024

Atrial fibrillation (AF) catheter ablation trials report arrhythmia-free survival using different post-ablation rhythm monitoring protocols, resulting in difficulties in the interpretation of the recurrence rates and comparison of ablation strategies and technologies.

Atrial Fibrillation 40

Atrial Fibrillation Ablation Technology Arrhythmia 40

HeartRhythm

JANUARY 6, 2025

Atrial fibrillation (AF) is a common arrhythmia in patients with heart failure (HF). The coexistence of these conditions can further induce structural changes and result in worsened outcomes such as stroke, HF decompensation, poorly controlled AF, and mortality [1].

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Preserved Ejection Fraction Atrial Fibrillation Heart Failure Ablation 40

DAIC

MARCH 12, 2025

tim.hodson Wed, 03/12/2025 - 15:36 Broward Health recently announced it is now offering the Farapulse Pulsed Field Ablation System to treat atrial fibrillation (A-Fib). This innovative treatment represents a significant advancement over traditional thermal ablation methods and provides a more effective solution for patients.

Ablation 52

Ablation Innovation Quality of Life Atrial Fibrillation 52

HeartRhythm

APRIL 30, 2024

Despite advances, catheter ablation success rates for persistent AF remain at 50-60%. Surgical maze procedures have demonstrated superior outcomes compared to catheter ablation. The approach for recurrent persistent AF, beyond pulmonary vein isolation, remains contentious.

Ablation 40

Ablation Arrhythmia Pulmonary Outcomes 40

Journal of Cardiovascular Electrophysiology

DECEMBER 7, 2023

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. 45.2%, p  < .001]

Atrial Fibrillation 40

Atrial Fibrillation Ablation Outcomes Arrhythmia 40

HeartRhythm

APRIL 30, 2024

Atrial fibrillation (AF) is the most common cardiac arrhythmia. Catheter ablation (CA) has emerged as an important modality for managing AF, improving quality of life, and potentially reversing cardiac dysfunction.

Atrial Fibrillation 40

Atrial Fibrillation Ablation Quality of Life Arrhythmia 40

Open Heart

JANUARY 18, 2024

Introduction Three recent randomised controlled trials have demonstrated that pulmonary vein isolation as an initial rhythm control strategy with cryoablation reduces atrial arrhythmia recurrence in patients with symptomatic paroxysmal atrial fibrillation (PAF) compared with antiarrhythmic drug (AAD) therapy. ablations over a lifetime.

Atrial Fibrillation 69

Atrial Fibrillation Ablation Pulmonary Arrhythmia 69

HeartRhythm

JULY 14, 2024

Pulsed field ablation (PFA) has become increasingly important in the treatment of cardiac arrhythmias. In addition to single-shot devices mainly used for pulmonary vein isolation, focal PFA may provide a treatment option that increases the versatility of the technique.

Ablation 40

Ablation Tachycardia Pulmonary Arrhythmia 40

Journal of Cardiovascular Electrophysiology

NOVEMBER 7, 2024

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. Of those, 60% were males with a mean age of 15 years.

Pediatrics 40

Pediatrics Ablation Tachycardia Arrhythmia 40

Journal of Cardiovascular Electrophysiology

NOVEMBER 7, 2024

Catheter ablation of atrial fibrillation in infiltrative cardiomyopathies ABSTRACT Atrial and ventricular arrhythmias are common in patients with Infiltrative heart diseases. AF is the most common arrhythmia identified in patients with amyloidosis due to cellular infiltration and atrial dilation.

Atrial Fibrillation 40

Atrial Fibrillation Ablation Cardiomyopathy Arrhythmia 40

Circulation: Arrhythmia and Electrophysiology

DECEMBER 19, 2024

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

Atrial Fibrillation 40

Atrial Fibrillation Ablation Arrhythmia Pulmonary 40

HeartRhythm

DECEMBER 11, 2024

Asthma is a known risk factor for atrial fibrillation (AF), the most common sustained arrhythmia. While radiofrequency catheter ablation is effective in treating AF, the impact of asthma and its severity on ablation outcomes has not been previously explored.

Atrial Fibrillation 40

Atrial Fibrillation Ablation Risk Factors Arrhythmia 40

Circulation: Arrhythmia and Electrophysiology

FEBRUARY 10, 2025

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.

Atrial Fibrillation 40

Atrial Fibrillation Ablation Physiology Arrhythmia 40

HeartRhythm

NOVEMBER 27, 2023

Pulsed field ablation (PFA) is a nonthermal energy source for ablation of cardiac arrhythmias. This study investigated the prospective outcomes of a novel PFA generator in conjunction with a commercially available, contact force-sensing, focal ablation catheter.

Ablation 40

Ablation Pulmonary Arrhythmia Outcomes 40

HeartRhythm

APRIL 30, 2024

Conventional focal radiofrequency (RF) catheters may be modified to enable multiple energy modalities (RF or pulsed field (PF)) with the benefit of contact force (CF) feedback providing greater flexibility in treatment of arrhythmias. Information on the impact of CF on lesion formation in PF ablations remains limited

Ablation 40

Ablation Arrhythmia Outcomes 40