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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. Circulation. Not available for sale.
Circulation, Ahead of Print. BACKGROUND:Current outcomes from catheter ablation for scar-dependent ventricular tachycardia (VT) are limited by high recurrence rates and long procedure durations. Predicted optimum ablation sites to terminate all VTs in the models were identified.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:High-power short-duration ablation has shown impressive efficacy and safety for pulmonary vein isolation (PVI); however, initial efficacy results with very high power short-duration ablation were discouraging. rates between 90W and 50W.
Circulation, Ahead of Print. Using a battery of assays, including immunohistochemistry, immuno-electron microscopy imaging, and action potential recording, we assessed the effect of loss ofCarm1function on cardiomyocyte cell growth, myofibril expansion, T-tubule formation, and electrophysiological maturation.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. Patients were randomly assigned to either the PVI+SVC ablation group or the PVI-only group. CONCLUSIONS:The addition of SVC ablation to PVI did not enhance freedom from atrial tachyarrhythmia at 12 months, and it led to increased complications.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:It is difficult to identify patients with atrial fibrillation (AF) most likely to respond to ablation. There remains an urgent need to develop procedural predictors of long-term AF ablation success.
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
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. Background:Pulsed field ablation (PFA) has emerged as an alternative to radiofrequency ablation. However, data on focal point-by-point PFA are scarce.
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.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:Power-controlled radiofrequency ablation with irrigated-tip catheters has been the norm for ventricular ablation for almost 2 decades. Four and one of these sets of parameters were further tested in phases II and III, respectively.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:Inflammation may promote atrial fibrillation (AF) recurrence after catheter ablation. The first dose of the study drug was administered within 4 hours before ablation. mg twice daily or placebo for 10 days. mg twice daily or placebo for 10 days.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:Sequential application of radiofrequency with pulsed field (PF) ablation may increase lesion depth while preserving the advantages of PF. Ablations were performed with a force-sensing 3.5-mm
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:The effect of contact force (CF) on lesion formation is not clear during pulsed field ablation (PFA). Further studies are required to evaluate the best PFA ablation settings to achieve transmural lesions.
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.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. Background:Effects of contact force (CF) on lesion formation during pulsed field ablation (PFA) have not been well validated. mm ablation electrode and CF sensor (TactiCath SE, Abbott) was connected to a PFA system (CENTAURI, Galvanize Therapeutics).
Circulation: Arrhythmia and Electrophysiology, Volume 16, Issue 11 , Page e012191, November 1, 2023. Atrioventricular AP (true AP) were distinguished from fasciculoventricular fibers (FVF) using standard invasive electrophysiology study criteria. Ablation was acutely successful in 13 of 14 patients with recurrence in 3.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. To summarize, 5 cases had prior ablation with 2 previously misdiagnosed as supraventricular tachycardia. Ablation targeting the mid-septal left septal fascicle and P1 to P2 connection sites successfully eliminated left posterior FVT.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. Louis, MO) utilizes an augmented reality headset (Magic Leap, Plantation, FL) to display a real-time 3-dimensional electroanatomic map, catheter locations, and ablation catheter contact force data to the electrophysiologist using a hands-free interface.
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. According to CS, pacing MI ablation was incomplete in 9 patients, in whom the analysis indicated persistent VOM connection. MI block was verified using conventional CS pacing.
Circulation: Arrhythmia and Electrophysiology, Volume 17, Issue 12 , Page e013385, December 1, 2024. BACKGROUND:Left bundle branch pacing (LBBP) has emerged as a safe and effective alternative to right ventricular pacing.
The guideline was jointly published today in the Journal of the American College of Cardiology and Circulation. Catheter ablation was given the highest Class 1 treatment recommendation for appropriately selected patients, including those with heart failure with reduced ejection fraction. Additional Resources: After Nov.
In fact the Circulation article cited is on Complete Transposition of the Great Vessels. Multiple accessory pathways can occur and radiofrequency catheter ablation is effective. The sign has been described in VSD with biventricular hypertrophy in children. It can be seen with isolated VSD as well as complex ventricular septal defect.
Launching the first FDA -approved PFA technology is not just a milestone; the PulseSelect PFA system is setting a new standard in safety for AF ablation with excellent efficacy and efficiency 1. In my clinical experience with the catheter, it was designed for AF ablation procedures.
a global leader in cardiac arrhythmia treatment and part of Johnson & Johnson MedTech , today announced European CE mark approval of the VARIPULSE Platform for the treatment of symptomatic drug refractory recurrent paroxysmal atrial fibrillation ( AF ) using pulsed field ablation (PFA). iii] The study reported a low fluoroscopy time of 7.8
Circulation: Arrhythmia and Electrophysiology, Ahead of Print. BACKGROUND:Electroporation is a promising nonthermal ablation method for cardiac arrhythmia treatment. Both reversible and irreversible electroporation components were identified.
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