atrial fibrillation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Aged 18 to 80 years; 2.Radiofrequency catheter ablation was performed for the first time; 3.There are ECG which can be definitely diagnosed as atrial fibrillation, that is: P wave disappeared, replaced by F wave, frequency 350-600 times / min, QRS wave rhythm is absolutely irregular, RR interval is uneven, QRS wave shape is normal; 4.There were palpitation, chest tightness and other symptoms, or the application of antiarrhythmic drugs (AAD) was ineffective; 5.Sign informed consent.
Exclusion criteria
Exclusion criteria: 1.Patients with thrombosis in left atrium; 2.Left ventricular ejection fraction was less than 35%; 3.thyroid function was abnormal; 4.Previous history of AF radiofrequency ablation and CABG; 5.Severe valvular heart disease or after prosthetic valve surgery; 6. The diameter of left atrium was more than 65 mm or the volume was more than 200 ml; 7.The existence of surgical contraindications or other conditions not suitable for surgery; 8.The subjects are participating in other clinical trials that may affect this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Recurrence and ablation-related complications of atrial fibrillation; | — |
Secondary
| Measure | Time frame |
|---|---|
| The initial block rate of pulmonary veins isolation, superior vena cava isolation and additional ablation lines; | — |
Countries
China
Contacts
Department of Cardiology, He'nan Provincial People's Hospital