Electrical mapping of the inside and outside of the heart during atrial fibrillation ablation procedures

Simultaneous Endo-Epicardial Mapping Of REcurrent Atrial Fibrillation (SEE MORE AF)

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

ISRCTN

Registry ID

ISRCTN10615430

Enrollment

Registered

2020-09-01

Start date

2020-10-01

Completion date

Unknown

Last updated

2024-01-08

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

Conditions

Atrial fibrillation Circulatory System Atrial fibrillation

Interventions

The procedure will be performed by a Consultant Cardiologist or Specialist Registrar with experience of catheter ablation for AF, and experience of techniques to gain access to the epicardial space. A

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Documented persistent AF 2. Suitable for clinically indicated catheter ablation 3. Aged >18 years

Exclusion criteria

Exclusion criteria: 1. Pregnancy 2. Current enrolment in another trial

Design outcomes

Primary

Measure	Time frame
Recurrence of atrial fibrillation using electrocardiography and clinical assessment at 6 and 12 months	—

Secondary

Measure	Time frame
There are no secondary outcome measures	—

Countries

England, United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026