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Effect of Pulsed-Field Ablation Using Pulmonary Vein Isolation With vs Without Posterior Left Atrial Wall Isolation on Atrial Arrhythmia Recurrence in Patients With Persistent Atrial Fibrillation

Effect of Pulsed-Field Ablation Using Pulmonary Vein Isolation With vs Without Posterior Left Atrial Wall Isolation on Atrial Arrhythmia Recurrence in Patients With Persistent Atrial Fibrillation

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600126700
Enrollment
Unknown
Registered
2026-06-14
Start date
2026-06-29
Completion date
Unknown
Last updated
2026-06-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Persistent atrial fibrillation

Interventions

Intervention group: PVI combined with PWI ablation group
Control group:PVI only ablation group

Sponsors

West China Hospital of Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Male individuals aged 18 years or older and 80 years or younger; 2. Diagnosed with persistent atrial fibrillation (defined as: at least 7 consecutive days with two or more complete electrocardiograms showing atrial fibrillation and no sinus rhythm during this period, or dynamic electrocardiogram indicating continuous atrial fibrillation); 3. Signed the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Pregnant or lactating women; 2. Long-term persistent atrial fibrillation lasting more than 1 year; 3. Left ventricular ejection fraction less than 40% or NYHA cardiac function classification III - IV; 4. Left atrial anterior-posterior diameter greater than 55mm on echocardiography; 5. Patients with a life expectancy of less than 1 year due to non-cardiovascular factors; 6. Patients with uncontrolled hyperthyroidism, severe liver dysfunction (AST/ALT >= 3 times the upper limit of normal), or renal insufficiency (eGFR < 30 mL/min/1.73m^2); 7. History of previous atrial fibrillation ablation; 8. Presence of atrial and left atrial appendage thrombus combined with left atrial myxoma, pulmonary vein stenosis, or previous history of pulmonary vein stent implantation; 9. History of previous heart transplantation, complex congenital heart disease, history of severe mitral stenosis, or having undergone any cardiac surgery, valve surgery, atrial septal defect closure surgery; 10. Hypertrophic cardiomyopathy; 11. Patients with definite paroxysmal supraventricular tachycardia (AV node reentrant tachycardia or atrioventricular reentrant tachycardia); 12. Patients with implanted permanent pacemaker, dual-chamber pacemaker, or any type of implantable cardiac defibrillator (with or without dual-chamber pacing function); 13. Patients with contrast agent allergy, contraindications to ablation surgery, anti-arrhythmic drugs or anticoagulant drugs; 14. Patients with acute coronary syndrome, history of cardiac surgery, angioplasty or cerebrovascular accident within 12 weeks before enrollment; 15. Other situations that the researchers consider unsuitable for participation in the study; 16. Participating in other interventional clinical studies.

Design outcomes

Primary

MeasureTime frame
12-month freedom from atrial arrhythmia recurrence;

Secondary

MeasureTime frame
12-month freedom from AF recurrence;Freedom from atrial arrhythmia recurrence with allowance of class I/III AADs;AF burden;

Countries

China

Contacts

Public ContactRui Zeng

West China Hospital of Sichuan University

zengrui_0524@126.com+86 28 8542 2353

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 29, 2026