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The purpose of this study is to compare 2 invasive strategies for Atrial Fibrillation treatment, Endocardial catheter ablation isolation of the Pulmonary veins versus minimally invasive thoracoscopic surgical epicardial isolation. Both strategies are in use for several years now, and have been reported as a successful strategy with success rates of 60-90%. However, it is not known which technique is preferable in a given patient population in terms of efficacy to cure AF, safety, or patient discomfort. Therefore, in the present trial a randomized study is proposed to provide more insight into the relative merits of both techniques
Atrial Fibrillation is the most common cardiac arrhythmia, affecting millions of people around the world. It is a large burden on health care resources and may even lead to a shorter life expectancy. Drug treatment has been found insufficient and sometimes even hazardous to the pt. Traditionally, there was only one invasive approach available, being MAZE 3 procedure by means of full open chest cardiac surgery. This was a very invasive approach, limited to only a few skilled surgeons, with insufficient options to treat large pt volume.
With the discovery that AF often is initiated and maintained by electrical instability inside and around the Pulmonary Veins, catheter ablation is now a widely accepted early invasive strategy to cure AF. Success rates of 60% to 90% have been reported, depending on technique employed and the type of AF (Resp, chronic versus paroxysmal)
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Catheter Ablation, Surgical Ablation
St. Antonius Hospital Nieuwegein
St. Antonius Hospital
Published on BioPortfolio: 2014-07-24T09:17:59-0400
Prospective randomized observational trial comparing the efficacy of circumferential pulmonary vein ostia ablation using surgical versus catheter techniques in the treatment of paroxysmal ...
The overall objective of the study is to compare and assess the clinical outcomes of the hybrid procedure versus the catheter ablation alone in a randomized, prospective population for lon...
Patents with atrial fibrillation can be treated with the purpose of curing the arrhythmia.This may be achieved by catheter ablation and Maze surgery where the latter includes open heart su...
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 ablatio...
The end point of catheter ablation at complex fractionated atrial electrograms (CFAE) was not established yet. Furthermore, incomplete CFAE ablation may have a potential to develop atrial ...
Antiarrhythmic drugs are the first-line treatment for atrial fibrillation (AF); as a result, catheter ablation usually is not considered until a patient is experiencing symptomatic AF refractory to at...
Catheter ablation of atrial fibrillation (AF) is the standard of care to achieve rhythm control in selected patients who have failed medical therapy. Despite advances in ablation strategies and techno...
Background Catheter ablation is less successful for persistent atrial fibrillation than for paroxysmal atrial fibrillation. Guidelines suggest that adjuvant substrate modification in addition to pulmo...
Galectin-3 (Gal-3) is an emerging biomarker in heart failure that is involved in fibrosis and inflammation. However, its potential value as a prognostic marker in atrial fibrillation (AF) is unknown. ...
Background Among patients undergoing mitral-valve surgery, 30 to 50% present with atrial fibrillation, which is associated with reduced survival and increased risk of stroke. Surgical ablation of atri...
Removal of tissue by vaporization, abrasion, or destruction. Methods used include heating tissue by hot liquids or microwave thermal heating, freezing (CRYOABLATION), chemical ablation, and photoablation with LASERS.
Removal of tissue with electrical current delivered via electrodes positioned at the distal end of a catheter. Energy sources are commonly direct current (DC-shock) or alternating current at radiofrequencies (usually 750 kHz). The technique is used most often to ablate the AV junction and/or accessory pathways in order to interrupt AV conduction and produce AV block in the treatment of various tachyarrhythmias.
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).
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)
Diminution or cessation of secretion of one or more hormones from the anterior pituitary gland (including LH; FOLLICLE STIMULATING HORMONE; SOMATOTROPIN; and CORTICOTROPIN). This may result from surgical or radiation ablation, non-secretory PITUITARY NEOPLASMS, metastatic tumors, infarction, PITUITARY APOPLEXY, infiltrative or granulomatous processes, and other conditions.
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