Arrhythmias: Atrial fibrillation in heart failure — time to revise the guidelines?

Catheter ablation for atrial fibrillation (AF) in patients with concomitant AF and heart failure (HF) is associated with significantly lower HF hospitalizations and all-cause mortality compared with medical therapy, according to the CASTLE-AF trial. This trial, along with previous trials such as AATAC, highlights the important role of AF ablation in the management of patients with HF and AF.