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Atrial Fibrillation Ablation clinical trials

View clinical trials related to Atrial Fibrillation Ablation.

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NCT ID: NCT05086861 Completed - Clinical trials for Persistent Atrial Fibrillation

Oesophageal Pacing to Check Left Atrial Posterior Wall Isolation

Start date: March 23, 2016
Phase: N/A
Study type: Interventional

Patients undergoing hybrid AF ablation second stage catheter ablation have the posterior left atrium mapped to see it if is electrically isolated. This is done via a standard electrophysiogical study in accordance with routine clinical practice. Investigators propose to check left atrium posterior wall isolation via oesophageal pacing and compare this to findings from invasive study

NCT ID: NCT03148236 Completed - Clinical trials for Atrial Fibrillation Ablation

Vitamin C in Atrial Fibrillation Ablation

VitC-AF
Start date: September 18, 2017
Phase: Phase 2
Study type: Interventional

Single-center, double-blinded, randomized, controlled safety and feasibility pilot study of high dose IV ascorbic acid (200mg/kg) over 24 hours, divided into four doses and administered every six hours with a 30 minute IV infusion time per dose, compared to matched placebo infusion

NCT ID: NCT01730924 Completed - Atrial Fibrillation Clinical Trials

Comparison of Pulmonary Vein Isolation Using SmartTouch® Catheter With or Without Real-time Contact Force Data

Start date: December 2012
Phase: N/A
Study type: Interventional

The most widely used approach for the invasive treatment of paroxysmal atrial fibrillation is catheter ablation, by which radiofrequency energy is used to heat the tip of an ablation catheter to deliver targeted burns on the inner surface of the heart. The aim of this approach is to cause electrical isolation of the pulmonary veins. The purpose of this study is to evaluate whether the information which can be derived from the latest catheter technologies - on the degree of contact force between the catheter and the heart - affects the time to perform the procedure, or the outcomes as a result of it. Patients undergoing pulmonary vein isolation will be randomised to having their procedure performed with the contact force information available to the operator, or not available. The time taken to achieve pulmonary vein isolation is the primary end-point of the study.

NCT ID: NCT01034852 Completed - Clinical trials for Atrial Fibrillation Ablation

Efficacy Study for Surgery After Previous Failed Catheter Ablation

SAVED
Start date: May 2009
Phase: N/A
Study type: Observational

Specific Aims: The primary objective of this registry is to determine the percentage of patients who are free from atrial fibrillation (AF) at 6 and 12 months following a surgical ablation procedure when the patient has a history of failing one or more previous catheter based ablations for AF. The first 3 months following surgical ablation will be a blanking period; any arrhythmia occurring during this time will not be used to determine success. Primary Objectives: 1. Determine the percent success of surgical ablation for AF at 6, and 12 months both on and off of antiarrhythmic drugs (AAD) following a failed catheter based ablation for AF 2. Record and evaluate all complications associated with the surgical procedure. Secondary Objectives: 1. Evaluate usage of anticoagulants at 6, and 12 months. 2. Determine the percentage of Pulmonary Veins (PV) that were electrically isolated by intra-operative, pre-surgical mapping