Active clinical trials for "Atrial Fibrillation"

The DExamethasone for Cardiac Surgery - Postoperative New-onset Atrial Fibrillation (DECS-PNAF) project described in this protocol aims to elucidate how corticosteroids protect cardiac surgical patients from Postoperative New-onset Atrial Fibrillation (PNAF). Patients will be randomized to receive either a single high dose of dexamethasone or a placebo. Continuous ECG-monitoring, echocardiography and biochemical and genomic analyses will be used to investigate the mechanisms responsible for the known protective effect of corticosteroids in the development of PNAF.

The purpose of this study is to investigate whether in patients with early persistent atrial fibrillation and mild to moderate early heart failure an aggressive upstream rhythm control approach, including aldosterone receptor antagonists and statins, dietary restrictions, counseling and cardiac rehabilitation programs, increases persistence of sinus rhythm compared with conventional rhythm control after one year of follow-up. A randomized long term extension of the RACE 3 will be performed with a total follow-up of 5 years to investigate the long term effects on persistence of sinus rhythm and cardiovascular morbidity and mortality of the two treatment strategies.

The purposes of this study are: To evaluate the long-term safety of dabigatran etexilate To assess the effect of a knowledge translation intervention on patient outcomes

Individuals taking warfarin often need frequent dose changes as the international normalized ratio (INR) gets too high or too low which could result in a higher risk of thromboembolism, bleeding and early discontinuation of a highly useful therapy. This study will compare two approaches to warfarin dosing to examine the utility of using genetic information for warfarin dosing.

To evaluate the effects of K201 on sinus rhythm restoration, symptom score, various cardiovascular parameters, and safety.

The purpose of this trial is to evaluate the safety and efficacy of the Medtronic Cardiac Ablation System compared to medical therapy in the persistent and long-standing persistent atrial fibrillation population.

This study is to evaluate acute and long-term safety and effectiveness of Left atrial appendage occlusion (LAA)with the AtriCure LAA Occlusion System. This device will be applied in patients with atrial fibrillation (AF), paroxysmal, persistent and permanent, undergoing cardiac surgery with a concomitant Maze/Ablation procedure.

Oral anticoagulation is often initiated in hospitalized patients. Although the therapeutic range of phenprocoumon is narrow, the individual drug demands unfortunately vary greatly between persons. Our group recently developed two dosing algorithms for the initiation of anticoagulation based on clinical predictors such as age, gender, body weight and laboratory values. The aim of the proposed study is to prospectively evaluate the efficacy and safety of these two algorithms in medical and orthopedic inpatients, as well as in a group of outpatients and possibly in a geriatric collective.

The purpose of this study is to examine the overall effectiveness of anti-arrhythmic medicines (to control heart rhythm) prescribed after an ablation procedure for atrial fibrillation.

This investigation is a prospective, nonrandomized multicenter clinical trial evaluating the outcome of patients with atrial fibrillation (AF) requiring concomitant open heart surgery plus the Cardioblate Surgical Ablation System using the modified Maze III procedure. The trial population includes patients requiring valve replacements or repairs, atrial septal defect (ASD) repairs, patent foramen ovale (PFO) closure or coronary artery bypass graft (CABG) procedures. The study objectives are to demonstrate that the Medtronic Cardioblate Surgical Ablation System can safely and effectively treat permanent AF patients.