“…They found that the LVEF increased to > 50% in 24 patients (73%) after catheter ablation and that the ECV was significantly lower in patients with LV reverse remodeling. 11) Although the current study provides valuable information for physicians, there remain unresolved issues. First, the impacts of AF characteristics including heart rate, AF burden and rhythm irregularity on LV functional remodeling and reversibility need to be addressed.…”