View clinical trials related to Atrial Fibrillation, Persistent.
Filter by:This is a prospective, randomized crossover study. The objective of the study is to determine if a pacing rate of 80 beats per minute (bpm) improves quality of life (QoL) and patient function after 3 months of intervention compared to 3 months of the current standard 60 bpm. The investigators will randomly assign half of the participants to a starting rate of 60 bpm and then switch them to a rate of 80 bpm for 3 months, and vice versa.
Effect of blood pressure on cardiovascular outcomes and recurrence after catheter ablation in patients with atrial fibrillation
Recurrent focal electrical activation (or ectopy) superseding sinus activation is the only mechanism proven to drive paroxysmal atrial fibrillation (AF). However, it has not been possible to show similar focal drivers during AF, owing to the limitations of mapping in persistent AF. RETRO-Mapping has been developed as a method to generate activation maps during AF to test the hypothesis that persistent AF is also maintained by focal drivers. RETRO-Mapping is able to locate sites of focal activation that were isolated, intermittent, or recurrent during persistent AF. However, a 30-second segment of AF can have approximately 150 wavefronts in a small area of myocardium. Screening for focal activation and manually validating these prior to ablation was not feasible using current commercial systems. RETRO-Mapping can automatically detect focal activation and a recording system that enables the intracardiac signals to be directly analysed by the RETRO-Mapping software. This will allow RETRO-Mapping to build a detailed classification of focal activation types and study the impact of ablation of these sites on the AF cycle length, to address the hypothesis that persistent AF is maintained by focal drivers.
FLOW EVAL-AF is a prospective, observational, single center pilot trial. The FLOW EVAL-AF trial is designed to identify driver sources in patients with persistent or longstanding persistent AF using EGF mapping and describe the activation patterns observed from concomitant high density mapping of those regions.
The purpose of this prospective randomized study is to assess whether a new treatment strategy consisting of circumferential Pulmonary vein isolation (PVI), left ROof linear (RL), Mitral Isthmus linear (MIL), and left anterior SEptal linear (ASL) ablation and left atrial appendage (LAA) Device occlusion (PROMISED procedure) is superior to the PVI combined LAA closure in enhancing the long-term success rate of catheter ablation in non-paroxysmal atrial fibrillation (AF) patients.
The goal of this clinical trial is to evaluate two treatment strategies in patients with chronic atrial fibrillation and heart failure, who are eligible for atrial fibrillation ablation. Patients will be randomized to either atrial fibrillation ablation or to implantation of a pacemaker with conduction system pacing followed by atrioventricular node ablation. The effect of treatment allocation on total mortality, cardiovascular hospitalization and heart failure hospitalization will be compared.
This study aims to investigate the long-term efficacy and safety of incorporating ganglionated plexus ablation into radiofrequency ablation strategies for persistent atrial fibrillation.
This is a prospective, non-randomized, multi-center, real-world post-market study to collect and evaluate data regarding the performance of the enhanced atrial fibrillation detection algorithm of the Assert-IQTM Implantable Cardiac Monitor (ICM) device.
A randomised controlled clinical trial to assess efficacy of convergent ablation with the LARIAT procedure, as compared to standard endocardial catheter ablation in patients with long-standing persistent atrial fibrillation (AF).
This study aims to investigate the best strategy for repeat ablation of recurrent persistent atrial fibrillation (AF) after previous persistent AF ablation involving pulmonary vein isolation (PVI) along. Patients with low voltage areas on the posterer wall will be randomized to PVI alone or the posterer wall isoaltion (PWI) in addition to PVI.