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We list hundreds of Clinical Trials about "Ultrasensitive Electroanatomic Mapping to Adjudicate Endpoints for Ablation In Paroxysmal AF Patients Using Cryoballoon" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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Ultrasensitive Electroanatomic Mapping to Adjudicate Endpoints for Ablation In Paroxysmal AF Patients Using Cryoballoon
Radiofrequency catheter ablation is effective in the treatment of patients with paroxysmal atrial fibrillation. In order to reduce the recurrence rate after catheter ablation, we propose to apply 'virtual' ablation on patient-specific atria by simulating 3D atrial computer model. We will conduct virtual rotor mapping in the patient specific atrial model. Then, we will compare the clinical outcome of conventional circumferential pulmonary vein isolation and additional rotor abla...
To obtain data for the Rhythmia™ Mapping System in conjunction with Boston Scientific Open-Irrigated (OI) Catheters for ablation of Paroxysmal Atrial Fibrillation (PAF) according to current international and local guidelines. Primary objective: To assess acute and long-term outcomes for the Rhythmia Mapping System in conjunction with Boston Scientific Open-Irrigated Ablation Catheters to treat de novo Paroxysmal Atrial Fibrillation. De Novo PAF is defined as subjects undergo...
The aim of this study is to quantify and characterize the outcomes of radiofrequency (RF) ablation after, and the utility of, electroanatomical mapping with the market-released HD mapping catheters Inquiry™ AFocusII™ Double Loop and Advisor™ HD Grid, Sensor Enabled™ with the EnSite Cardiac Mapping System and the EnSite Automap module in subjects with AF in the real-world environment of the Asian population.
In this clinical investigation, the safety and feasibility of the novel EnSite™ HD Grid Catheter mapping system for advanced high-density three-dimensional mapping will be studied in patients undergoing catheter ablation procedures for the treatment of non-paroxysmal atrial fibrillation (AF) or left atrial tachycardia (AT).
The aim of the study is to compare the acute procedure and safety outcomes as well as long term clinical outcomes of 2 groups of patients treated with the HeartLight® Endoscopically Guided Laser Ablation (EGLA) or a commercially available Contact Force Sensing Irrigated Radiofrequency (RF) Ablation Catheter plus, at the operator's discretion, 3D Electroanatomical Mapping (EAM) for the treatment of Paroxysmal Atrial Fibrillation (PAF).
The objective of the study is to collect data on the use of the Rhythmia HDx mapping system running commercially available Software Version 2.0 or any future commercially available Software Version with DirectSense technology and the IntellaMap OrionTM mapping catheter in patients indicated for ablation treatment for de-novo Paroxysmal Atrial Fibrillation (PAF). The study will collect specific information to characterize the DirectSense technology in subjects undergoing cathete...
This study uses two AcQMap imaging and electroanatomical mapping systems (Acutus Medical) to simultaneously visualise and map patterns of wavefront propagation in both the left and right atria during atrial fibrillation in order to identify mechanisms of rhythm propagation and maintenance and the importance of the interaction of the left and right atria. Mapping will also be performed during pacing from different sites and cycle lengths to identify regions of abnormal conductio...
The investigators have recently shown that anatomic ganglionated plexi (GP) ablation is inferior to circumferential pulmonary vein (PV) ablation for the treatment of paroxysmal AF. In this study, however, 26% of patients subjected to GP ablation alone without circumferential lesions were free of AF-recurrence up to one year after the ablation procedure. The investigators hypothesized that a combination of circumferential ablation with high-frequency-stimulation-identified GP ab...
Catheter ablation of Ventricular Tachycardias is a well-established approach in clinical practice in patients with Implantable Cardioverter Defibrillator (ICD) implanted. Previous studies have shown a significant reduction in appropriate shocks (~ 20%) and a significant reduction in hospitalizations for cardiovascular reasons (~ 12%) in patients with ischemic heart disease treated with ablation. Recent works have also shown the effectiveness of the ablation procedure using as p...
Paroxysmal supraventricular tachycardia is treated with radiofrequency ablation recently. This procedure is performed by ablating slow pathway or accessory pathway using radiofrequency ablation catheter. Recently developed mirofidelity (MIFI) catheter has mini-electrodes that can record local eletrogram with higher resolution. We aimed to investigate the efficacy of MIFI catheter in the ablation of paroxysmal supraventricular tachycardia compared to conventional radiofrequency ...
VITAL is a prospective, single arm, multicenter, interventional study to evaluate the safety and effectiveness of the VytronUS Ablation System (VAS) for the treatment of symptomatic paroxysmal atrial fibrillation (PAF) using low intensity collimated ultrasound (LICU) for imaging and ablation.
CartoUnivu™ module easily integrates into the workflow of PVI with the endpoint of unexcitability of the ablation line without prolonging the procedure time. It is associated with a marked reduction in fluoroscopic dose when compared to a conventional 3D-mapping system. The aim of this prospective randomized study is to evaluate during pulmonary vein isolation (PVI) for paroxysmal atrial fibrillation (PAF) whether the use of the IIM is: 1. feasible, 2. can help to redu...
Atrial fibrillation (AF) is the most serious atrial electrical activity disorders, is also one of the common tachyarrhythmias.Circumferential pulmonary Vein Isolation (CPVI) is considered to be the cornerstone of paroxysmal atrial fibrillation ablation, but recently reported in the literature that pure CPVI treatment for paroxysmal atrial fibrillation the 5-year success rate as low as 46.6%, and the incidence of atrial reentry tachycardia is also high in the follow-up period. T...
Objective: The purpose of this study is to compare the efficacy and safety of complex fractionated atrial electrocardiograms (CFAEs) guided ablation to pulmonary vein isolation based ablation in patients with persistent atrial fibrillation (AF). Hypothesis: CFAE guided ablation will increase atrial fibrillation free survival compared to a PVI guided ablation. Patient population: Patients with persistent atrial fibrillation will be randomized based on a 2:1 ratio into on...
Whether a mapping algorithm "Ripple-mapping" is able to rapidly identify the areas of long-duration multicomponent electrograms which constitute the targets for ablation for an automated strategy remains to be assessed.
The purpose of the DIAMOND-AF study is to establish the safety and effectiveness of the DiamondTemp System for the treatment of drug refractory, recurrent, symptomatic paroxysmal atrial fibrillation in patients.
The study is designed as a prospective, multicenter, single-blind, randomized study to assess the safety and effectiveness of FIRM-guided RF ablation procedures for the treatment of symptomatic paroxysmal atrial fibrillation. The subjects will be blinded to study treatment for the duration of the study period.
A randomized trial has recently demonstrated non-inferiority of cryoballoon vs. radiofrequency (RF) catheter ablation in patients with drug-refractory paroxysmal atrial fibrillation (AF). There is a growing amount of evidence suggesting that Cryoballoon ablation is highly effective also in non-paroxysmal atrial fibrillation. The IRON-ICE trial will evaluate the effect of Cryoballoon AF ablation in patients with short-term persistent AF.
The purpose of this study is to determine the change in average radiation exposure time and average procedure time following guided radiofrequency (RF) ablation among subjects undergoing treatment for paroxysmal atrial fibrillation with either the CARTO® 3 or the NavX(TM) System. It is hypothesized that described features will reduce the average radiation exposure during the CARTO® 3 system-guided procedures compared to the NavX(TM) system-guided procedures.
The study is a single center, open-label, single arm, prospective pre-market study designed to assess the safety and efficacy of the VytronUS Ablation System (VAS) for the treatment of atrial fibrillation in patients with drug refractory, recurrent, symptomatic, paroxysmal atrial fibrillation.
Noninvasive 3D Mapping in Persistent Atrial Fibrillation, to Describe Modifications of the Arrhythmogenic Substrate After Pulmonary Vein Isolation and Identify Potential Predicting Factors of Ablation Success
Atrial fibrillation (AF) is the most common cardiac arrhythmia in adults. It is a major cause of ischemic stroke and heart failure. Intravascular cardiac ablation of the left atrium by catheter delivery is an efficient treatment to restore sinus rhythm. AF ablation is a class IIa treatment for patients with symptomatic persistent AF refractory or intolerant to antiarrhythmic medication. There are still many debates considering the ablation strategy. The pulmonary veins remain t...
Patients with ongoing paroxysmal arrhythmias after pulmonary vein isolation (PVI) for paroxysmal and persistent atrial fibrillation (AF) get incrementally less benefit with redo-PVI. This implies non-pulmonary vein (PV) triggers, which are more challenging to locate. The autonomic nervous system is implicated in the multifactorial pathogenesis of AF but few studies have attempted neural targeting as a therapeutic intervention. We have demonstrated that stimulation of specific l...
Atrial fibrillation (AF) is the most common cardiac arrhythmia worldwide with a prevalence of 8% in the elderly. AF is responsible for frequent hospitalizations, stroke, heart failure and mortality. AF catheter ablation is an important treatment strategy for patients suffering from AF, but the success rate remains low after conventional pulmonary vein isolation (PVI). The mechanism perpetuating AF is poorly understood. Focal electrical sources and triggers (FAST) may sustain AF...
Prospective, single-center, real word study of consecutive subjects who undergo radiofrequency ablation for paroxysmal AF using THERMOCOOL SMARTTOUCH®SF (STSF) Catheter guiding by Ablation Index (AI).