Status:

ACTIVE_NOT_RECRUITING

Ablation of Fibrotic Areas in Patients With Persistent Atrial Fibrillation.

Lead Sponsor:

Karolinska University Hospital

Conditions:

Atrial Fibrillation

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

Brief summary: The objective of this study is to compare two different ablation strategies in participants with persistent atrial fibrillation and fibrotic areas in the left atrium. The participant wi...

Detailed Description

Background: Atrial fibrillation (AF) is the most common arrhythmia in clinical practice with a prevalence of 2-3 percent in the population. Catheter ablation performing pulmonary vein isolation (PVI)...

Eligibility Criteria

Inclusion

  • ECG-documented persistent or long-standing persistent atrial fibrillation according to European Society of Cardiology (ESC) definition
  • Symptoms e. g. palpitations, dyspnea, tiredness that is due to the atrial fibrillation.
  • Suitable candidate for catheter ablation.
  • Tried one or more antiarrhythmic drugs or unwilling to try antiarrhythmic drugs
  • Age ≥18 years.

Exclusion

  • LA dimension \>55 mm as determined by an echocardiography within the previous year
  • Acute coronary syndrome or coronary artery bypass surgery within 12 weeks
  • Severe aortic or mitral valvular heart disease using the ESC guidelines
  • Congenital heart disease
  • Prior surgical or percutaneous AF ablation procedure or atrioventricular-nodal ablation
  • Medical condition likely to limit survival to \< 1 year
  • New York Heart Association (NYHA) class IV heart failure symptoms
  • Contraindication to oral anticoagulation
  • Renal failure requiring dialysis
  • AF due to reversible cause
  • Pregnant and fertile women without anticonception
  • History of non-compliance to medical therapy
  • Unable or unwilling to provide informed consent

Key Trial Info

Start Date :

May 20 2020

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 11 2026

Estimated Enrollment :

200 Patients enrolled

Trial Details

Trial ID

NCT04377594

Start Date

May 20 2020

End Date

April 11 2026

Last Update

December 10 2025

Active Locations (1)

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1

Karolinska University Hospital

Stockholm, Stockholm County, Sweden, SE-14186