atrial fibrillation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Aged >18 symptomatic non-valvular atrial fibrillation, normal atrial voltage (> 0.5mv), left atrial diameter < 50mm, no effect treated by two or more antiarrhythmic drugs.
Exclusion criteria
Exclusion criteria: 1. Transthoracic echocardiography showed abnormal valvular disease or congenital heart disease; 2. Left atrium abnormality voltage 50 mm; 3. Transesophageal echocardiography (in patients with intolerance of cardiac structure imaging) revealed thrombosis in left atrium and left atrial auricle; The above patients received oral warfarin treatment for 3 weeks to maintain INR between 1.8 and 2.5.If there is no thrombosis in left atrium and left atrial auricle, they will meet inclusion criteria; 4. Patients with acute myocardial infarction, acute left heart failure and acute cerebrovascular disease within 3 months; 5. Patients with severe heart conduction system diseases, rheumatic fever, infectious diseases, metabolic disorders, liver insufficiency, and renal insufficiency; 6. Patients with chronic obstructive pulmonary disease, uncontrolled hyperthyroidism, autoimmune disease and tumor; 7. Patients with blood system diseases and tendency to bleed; 8. A patient who is pregnant or likely to become pregnant; 9. Patients followed up for less than 3 months; 10. Unable to tolerate oral anticoagulants and antiarrhythmic drugs 3 months after operation?Life expectancy less than one year
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the recurrence of AF; | — |
Secondary
| Measure | Time frame |
|---|---|
| the voltage of the anterior left atrium wall;the conduction time;Operative time; | — |
Countries
China
Contacts
Affiliated Hospital of Guizhou Medical University