mHealth Screening to Prevent Strokes
Atrial FibrillationThe purpose of this study is to investigate whether it is possible to identify a high-risk cohort suitable for screening for asymptomatic atrial fibrillation using claims data, and then engage those individuals in a mobile health technology-enabled home monitoring program in order to document previously undiagnosed atrial fibrillation, and provide clinical evidence of an outcomes benefit associated with this early detection.
Comparison of Circumferential Pulmonary Vein Isolation Alone Versus Linear Ablation in Addition...
Atrial FibrillationThe purpose of this study is to compare the clinical outcomes depending on catheter ablation strategy for persistent atrial fibrillation. After randomization, investigators will conduct circumferential pulmonary vein isolation alone in a group, and additional posterior box isolation and anterior linear ablation in the other group. Investigators will compare clinical recurrence rate, complication rate, and procedure time, etc.
Wide Area Circular Ablation Versus Extra-wide Area Circular Ablation in Persistent Atrial Fibrillation...
Atrial FibrillationAblation of atrial fibrillation is an established method for treatment of subjects with atrial fibrillation with goal of restoration of sinus rhythm. Among different methods, wide area circular ablation (WACA) is shown to provide the same results with fewer complications. This project will compare WACA with extra-wide area circular ablation (E-WACA) in subjects who are considered for ablation of atrial fibrillation.
Pulmonary Veins Circular Ablation Catheter Evaluation for Atrial Fibrillation
Atrial FibrillationThe aim of this study is to compare two type of ablation catheters for pulmonary veins isolation (PVI) in subjects with atrial fibrillation. Currently, two technologies of irrigated ablation catheters are available for PVI. One of the two, the "conventional" catheter is widely used for atrial fibrillation (AF) treatment but has not been specifically created for pulmonary veins isolation, therefore, point by point encircling lesions are cumbersome and time consuming. The second is a new ablation catheter with a circular shape provided with 10 irrigated electrodes designed to create encircling lesions, necessary to obtain pulmonary veins isolation, could allow an easier and faster isolation compared to the conventional way. These two types of catheters have never been compared for atrial fibrillation. If one of the two catheters appears to be more efficient or causes fewer complications, the use of this catheter could be favored to conduct AF ablation.
Catheter Ablation Versus Antiarrythmic Drugs for Atrial Fibrillation in China
Atrial FibrillationThe mainstay of treatment for atrial fibrillation remains pharmacological;however,catheter ablation has increasingly been used over the last decades. The relative merits of each strategy have not been extensively studied. Our study was designed to determine if catheter ablation is a feasible option as first-line therapy for treating patients with symptomatic AF.
Comparison of Redo PVI With vs. Without Renal Denervation for Recurrent AF After Initial PVI
Atrial FibrillationArterial HypertensionThe objective of this study is to compare the elimination of atrial fibrillation in patients with recurrent atrial fibrillation despite prior pulmonary vein isolation (PVI) when undergoing repeat PVI (control) vs repeat PVI plus renal denervation.
Screening for Silent Atrial Fibrillation During Influenza Vaccination
Atrial FibrillationSilent atrial fibrillation is an important cause of unnecessary strokes. If diagnosed and treated in time with anticoagulants, many disabling strokes can be prevented. In order to improve the diagnosis of atrial fibrillation the MyDiagnostick is developed; a user friendly and easy to use stick that diagnoses atrial fibrillation in one minute. During influenza vaccination, many patients who are also at risk for atrial fibrillation visit the general practice. This offers an ideal opportunity for screening for atrial fibrillation. The study investigates the yield of screening for atrial fibrillation with the MyDiagnostick during influenza vaccination (newly detected atrial fibrillation with corresponding CHA2DS2-Vasc score).
Atrial Fibrillation Prevention in Post Coronary Artery Bypass Graft Surgery With Cryoablation for...
Complication of Coronary Artery Bypass GraftAtrial FibrillationAtrial fibrillation after coronary artery bypass graft is a common complication. The investigators have thought that the mechanism of temporarily postoperative atrial fibrillation is closely related to the autonomic nervous system imbalance. In a last several years, cryoablation was substituted for atrial incision in many reports to simplify the maze procedure. However, there has been no comparative study to delineate the feasibility of the use of cryoablation.
Increasing Atrial Base Rate Pacing to Reduce Atrial Fibrillation
Sick Sinus SyndromeParoxysmal Atrial FibrillationThis study aims to determine whether increasing atrial base rate pacing to achieve at least 75-80% atrial pacing in patients with sick sinus syndrome undergoing the implementation of dual-chamber pacemaker can be useful to prevent or decrease the atrial fibrillation during 6 months follow-up duration.
Impact of Standardized MONitoring for Detection of Atrial Fibrillation in Ischemic Stroke
StrokeAtrial FibrillationInvestigator-initiated prospective randomized multicentre study to uncover the true burden of paroxysmal atrial fibrillation in a representative population of acute stroke patients without known atrial fibrillation.