Reversal of Atrial Substrate to Prevent Atrial Fibrillation Cohort Study

Participation Requirements

• Sex:

  ALL

• Eligible Ages:

  18 and up

Participation Criteria

Inclusion Criteria:

* symptomatic AF (CCS-SAF ≥2),
* paroxysmal or persistent atrial fibrillation despite rate control, desiring catheter ablation and either: i) BMI ≥ 30 or, ii) at least two of the following: BMI\>27, BP\>140/90 mmHg or history of hypertension, Diabetes, Heart failure (prior heart failure admission or LVEF\<40%), Age ≥ 65 years, Prior stroke/TIA, Current smoker, Excessive alcohol use {For women: 10 or more drinks/week, more than 2 drinks a day (most days). For men: 15 or more drinks/week, more than 3 drinks a day (most days)}, and iii) declined or were not approached for participation in the main study. Eligible patients must have received catheter ablation for AF during the same timeline of the RASTA-AF Mian Study (November 1st, 2019 to December 31st, 2025).

Exclusion Criteria:

* permanent AF (AF lasting \> 3 years),
* prior catheter ablation for AF
* New York Heart Association Class IV heart failure
* participation in a cardiac rehabilitation program within the last year,
* currently performing exercise training \>150 minutes/week of moderate to vigorous physical activity,
* unable to exercise,
* unable to give informed consent,
* other noncardiovascular medical condition making 1 year survival unlikely
* less than 18 years of age