Paroxysmal Atrial Fibrillation
Conditions
Interventions
PVI enhanced ablation + SVC isolation group:PVI enhanced ablation + superior vena cava isolation (SVCI)
PVI standard ablation group:PVI standard ablation
Sponsors
The First Affiliated Hospital of Shantou University Medical College
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Aged 18 years old and above, gender not limited; 2. Patients with paroxysmal atrial fibrillation; 3. Agree to participate in this study and be able and willing to comply with all follow-up requirements.
Exclusion criteria
Exclusion criteria: 1. Those who have previously undergone left atrial catheter ablation for atrial fibrillation; 2. Those with left ventricular ejection fraction (LVEF) less than 35%; 3. Those with a left atrial inner diameter (echocardiographic examination) greater than 55 mm; 4. Those with a definite thrombus found in the left atrium or in the heart before the operation; 5. Patients with NYHA grade ?-? cardiac function classification; 6. Patients with second-degree (type II) or third-degree atrioventricular block; 7. Those with obvious congenital heart defects (such as atrial septal defect or severe pulmonary vein stenosis, but excluding patent foramen ovale); 8. Patients with artificial valves implanted; 9. Patients who have received cardiac pacemakers or cardiac defibrillators (ICDs); 10. Those diagnosed with hypertrophic cardiomyopathy, chronic obstructive pulmonary disease, or myxoma; 11. Patients with known symptomatic carotid artery stenosis before surgery; 12. Patients with untreated or uncontrolled hyperthyroidism or hypothyroidism; 13. Patients with active systemic infections; 14. Patients with renal failure who have obvious bleeding tendencies or are undergoing hemodialysis; 15. Patients who have experienced myocardial infarction or undergone any cardiac interventional or open surgery within 3 months; 16. Patients who have experienced a stroke or transient ischemic attack within 6 months; 17. Patients who have obvious contraindications for interventional surgery and are determined by researchers to be unable to undergo ablation surgery; 18. Pregnant or lactating women or those who plan to have children during the research period; 19. Patients who have participated in clinical trials of other drugs or medical devices within three months; 20. Patients who the researchers consider unsuitable to participate in this clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The success rate of the surgery 12 months;Immediate success rate of the surgery; | — |
Secondary
| Measure | Time frame |
|---|---|
| Safety evaluation;The success rate of the surgery 12 months; | — |
Countries
China
Contacts
Public ContactChen Chang
The First Affiliated Hospital of Shantou University Medical College
Outcome results
None listed