Clinical Value of Left Atrial Appendage Flow for Prediction of Successful Catheter Ablation for Persistent Atrial Fibrillation

03:14 EST 27th November 2014 | BioPortfolio

Summary

The purpose of this study was to determine whether left atrial appendage flow velocity, as determined using trans esophageal echocardiography (TEE), predicts the outcome after catheter ablation of persistent Atrial fibrillation( pAF).

Description

40 PAF patients underwent 3D mapping and ablation. A stepwise approach including circumferential pulmonary vein (PV) isolation, continuous complex-fractionated electrogram (CFE) ablation and linear ablation was performed by the same operator. The procedural end point was termination of persistent AF by catheter ablation, either by conversion directly to sinus rhythm or to atrial tachycardia. Left atrial appendage (LAA) peak flow velocities were measured with transesophageal echography and averaged within each RR interval of 10 consecutive cardiac cycles.

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Conditions

Persistent Atrial Fibrillation

Intervention

a complete transesophageal echocardiography

Location

Clinique Pasteur
Toulouse
43-45 avenue de Lombez
France
31076

Status

Terminated

Source

Clinique Pasteur

Results (where available)

View Results

Links

Clinical Trials [555 Associated Clinical Trials listed on BioPortfolio]

Assessment of Cardioversion Using Transesophageal Echocardiography II (ACUTE II)

SPECIFIC AIM: To test the safety and feasibility of using low molecular weight heparin (LMWH, enoxaparin sodium; Lovenox, Sanofi-Aventis) in lieu of unfractionated heparin (UFH) as antith...

Transesophageal Echocardiography to Identify pAtients With Low Risk of Stroke in Atrial Fibrillation - TIARA Pilot Study

In this multi centre pilot study we will perform TEE in patients with AF who are eligible for VKA treatment. TTE will be used as pre-screening: if TTE shows left atrial abnormalities or ao...

Hypnosis for Transesophageal Echocardiography

The purpose of this study is to determine the additive value of hypnosis to improve patient comfort during transesophageal echocardiography (TEE).

Speckle-tracking Tricuspid Annular Plane Systolic Excursion

The study is designed to validate the use of speckle-tracking echocardiography to measure tricuspid annular plane systolic excursion as a measurement of right ventricular function during t...

Study of Ablation Versus antiaRrhythmic Drugs in Persistent Atrial Fibrillation

The purpose of this study is to compare the effectivity and safety of atrial fibrillation ablation, in comparison to antiarrhythmic drug therapy in patients with refractory, persistent atr...

PubMed Articles [3529 Associated PubMed Articles listed on BioPortfolio]

Off-pump atrial septostomy with thoracoscopic scissors under transesophageal echocardiography guidance.

Selected children with congenital heart defects undergoing palliative closed heart procedures require a cardiopulmonary bypass (CPB) run only for the purpose of creating an inter-atrial communication....

Intraoperative transesophageal echocardiography assessment of right atrial myxoma resulting in a change of the surgical plan.

Transesophageal echocardiography (TEE) is an important diagnostic tool. It provides structural and functional assessment of cardiac structures which can improve the overall outcome of the patient. We ...

Left atrial volume and function in patients with atrial fibrillation.

This review of emerging approaches to left atrial imaging in atrial fibrillation is relevant because there has been considerable recent development in the noninvasive characterization of left atrial s...

Impact of Biatrial Defragmentation in Patients with Paroxysmal Atrial Fibrillation: Results from A Randomized Prospective Study.

Single procedure success rates of pulmonary vein isolation (PVI) in patients with paroxysmal atrial fibrillation (PAF) are still unsatisfactory. In patients with persistent atrial fibrillation (AF) ab...

Clinical Characteristics, Management, and Control of Permanent vs. Nonpermanent Atrial Fibrillation: Insights from the RealiseAF Survey.

Atrial fibrillation can be categorized into nonpermanent and permanent atrial fibrillation. There is less information on permanent than on nonpermanent atrial fibrillation patients. This analysis aime...

Medical and Biotech [MESH] Definitions

Rapid, irregular atrial contractions caused by a block of electrical impulse conduction in the right atrium and a reentrant wave front traveling up the inter-atrial septum and down the right atrial free wall or vice versa. Unlike ATRIAL FIBRILLATION which is caused by abnormal impulse generation, typical atrial flutter is caused by abnormal impulse conduction. As in atrial fibrillation, patients with atrial flutter cannot effectively pump blood into the lower chambers of the heart (HEART VENTRICLES).

Ultrasonic recording of the size, motion, and composition of the heart and surrounding tissues using a transducer placed in the esophagus.

A cardiotonic glycoside obtained mainly from Digitalis lanata; it consists of three sugars and the aglycone DIGOXIGENIN. Digoxin has positive inotropic and negative chronotropic activity. It is used to control ventricular rate in ATRIAL FIBRILLATION and in the management of congestive heart failure with atrial fibrillation. Its use in congestive heart failure and sinus rhythm is less certain. The margin between toxic and therapeutic doses is small. (From Martindale, The Extra Pharmacopoeia, 30th ed, p666)

Echocardiography amplified by the addition of depth to the conventional two-dimensional ECHOCARDIOGRAPHY visualizing only the length and width of the heart. Three-dimensional ultrasound imaging was first described in 1961 but its application to echocardiography did not take place until 1974. (Mayo Clin Proc 1993;68:221-40)

A condition caused by dysfunctions related to the SINOATRIAL NODE including impulse generation (CARDIAC SINUS ARREST) and impulse conduction (SINOATRIAL EXIT BLOCK). It is characterized by persistent BRADYCARDIA, chronic ATRIAL FIBRILLATION, and failure to resume sinus rhythm following CARDIOVERSION. This syndrome can be congenital or acquired, particularly after surgical correction for heart defects.

More From BioPortfolio on "Clinical Value of Left Atrial Appendage Flow for Prediction of Successful Catheter Ablation for Persistent Atrial Fibrillation"

Search BioPortfolio:
Loading
Advertisement

Relevant Topics

Cardiology
Latest News Clinical Trials Research Drugs Reports Corporate
Cardiology is a specialty of internal medicine.  Cardiac electrophysiology : Study of the electrical properties and conduction diseases of the heart. Echocardiography : The use of ultrasound to study the mechanical function/physics of the h...

Pulmonary
Latest News Clinical Trials Research Drugs Reports Corporate
Pulmonary relating to or associated with the lungs eg Asthma, chronic bronchitis, emphysema, COPD, Cystic Fibrosis, Influenza,  Lung Cancer, Pneumonia, Pulmonary Arterial Hypertension, Sleep Disorders etc Follow and track Lung Cancer News ...

Advertisement