Catheter Ablation vs Lifestyle Changes: A New Path to AF Control

Researchers compared two treatments for atrial fibrillation (AF) in obese patients: catheter ablation (CA) and lifestyle modification combined with antiarrhythmic drugs (LFM + AADs). The goal was to see which one worked better at reducing AF symptoms and preventing complications.

The study, called PRAGUE-25, looked at 203 patients who were randomly assigned to either CA or LFM + AADs. The patients who stuck to their assigned treatment were included in the analysis. AF burden was measured by tracking heart rhythms over 7 days at the start and at 6, 9, and 12 months later. The researchers also looked at how many patients had AF-related hospital visits or emergency room visits, and how many had major heart problems like strokes or heart failure.

The results showed that CA was more effective at reducing AF symptoms and preventing hospital visits. Patients who had CA had lower AF burden at 6, 9, and 12 months, and they were less likely to have AF-related hospital visits. The good news is that major heart problems were rare in both groups, and the difference between CA and LFM + AADs was not significant.

This study suggests that CA may be a better option for patients with AF who are obese. However, more research is needed to confirm these findings and to understand the long-term effects of CA on AF patients.