atrial fibrillation
Conditions
Interventions
Group 2:Isolation of superior vena cava
Group 1:Non superior vena cava isolation
Sponsors
Department of Cardiology, He'nan Provincial People's Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Aged 18 to 80 years; 2.Radiofrequency catheter ablation was performed for the first time, except for left atrial thrombus by transesophageal ultrasound or left atrial pulmonary vein CTA; 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.Electrophysiological examination was performed after bilateral pulmonary vein isolation, and tachycardia was induced to indicate the origin of superior vena cava or the potential of superior vena cava was active; 6.Sign informed consent.
Exclusion criteria
Exclusion criteria: 1.Patients with thrombosis in left atrium; 2.Left ventricular ejection fraction was less than 35%, thyroid function was abnormal; 3.Previous history of AF radiofrequency ablation and CABG; 4.Severe valvular heart disease or after prosthetic valve surgery; 5.Previous superior vena cava stenosis, sinus node dysfunction, after the pacemaker implantation; 6.The left atrium was more than 60 mm; 7.Patients with consumptive diseases such as malignant tumor and life expectancy less than 1 year; 8.Patients cannot cooperate with the follow-up for various reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| recurrence of atrial fibrillation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of complications;duration of procedure;duration of X-ray exposure; | — |
Countries
China
Contacts
Public ContactChu Yingjie
Department of Cardiology, He'nan Provincial People's Hospital
Outcome results
None listed