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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).
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.
Observational Model: Cohort, Time Perspective: Prospective
Persistent Atrial Fibrillation
a complete transesophageal echocardiography
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Published on BioPortfolio: 2014-07-23T21:08:46-0400
The investigators would like to evaluate how well intensive care trainees without previous experience in transesophageal echocardiography are able to perform a transesophageal echocardiogr...
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...
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...
A randomized, double-blinded, placebo-controlled study to evaluate the effect of spironolactone in addition to conventional treatment compared with placebo in patients with paroxysmal and ...
The purpose of this study is to determine the additive value of hypnosis to improve patient comfort during transesophageal echocardiography (TEE).
A 73-year-old patient with permanent atrial fibrillation presented for left atrial appendage (LAA) occlusion. Transesophageal echocardiography demonstrated a thrombus in the distal LAA. This image ser...
Ablation of atrial fibrillation is an established treatment for the management of patients with paroxysmal and persistent atrial fibrillation. The complex pathophysiology of persistent atrial fibrilla...
Left atrial (LA) enlargement is a predictor of worse outcome after catheter ablation for atrial fibrillation (AF). Widely used two-dimensional (2D)-echocardiography is inaccurate and underestimates re...
The alterations of echocardiography and electrocardiogram (ECG) in patients received left atrial appendage LAA occlusion therapy are still unclear. The present study was to evaluate the influence of L...
Postoperative atrial fibrillation (POAF) is frequent after cardiac surgery. We aimed to establish a predictive model of POAF based on postoperative transthoracic echocardiography (TTE) findings.
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.
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 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 ...