Comparison of circumferential pulmonary vein isolation and complex pulmonary vein isolation additional linear ablation for recurred atrial fibrillation after previous catheter ablation: Prospective randomized trial

Not Applicable

Recruiting

• Conditions: Diseases of the circulatory system

• Registration Number: KCT0003932
• Lead Sponsor: Yonsei University Health System, Severance Hospital

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Last Update Posted: 20 May 2019

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 100

Inclusion Criteria

1. Patients with recurred atrial fibrillation between 20 and 80 years
2. Left Atrium diameter <55mm
3. patients possible to anticoagulation and anti arrhythmic drug

Exclusion Criteria

1. Atrial fibrillation accompanying a structural heart disease that is subjected to severe heart defects or hematological effects.
2. Patient with severe renal dysfunction or contraindication to brain perfusion CT
3. Patient have history on maze surgery.
4. patient with active internal bleeding
5. Impossible to anticoagulation or antiarrhythmic drug
6. valvular Atrial fibrillation (Mitral Atresia > grade 2, Mechanical valve, Mitral valve replacement)
7. Patients with severe medical disease
8. Expected survival < 1 year
9. Drug addiction or Severe alcoholics
10. Pregnancy
11. Patients judged unfit to participate in a clinical trial by the researchers' judgment

Study & Design

• Study Type: Interventional Study
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Clinical recurrence of atrial fibrillation after 3 months of catheter ablation

Secondary Outcome Measures

Name	Time	Method
procedure time related procedure;complication rate;Lenth of hospitalization;radiofrequency ablation time