Figure 2From: Impact of epicardial ablation of concomitant atrial fibrillation on atrial natriuretic peptide levels and atrial function in 6 months follow-up: does preoperative ANP level predict outcome of ablation? Impact of preoperative ANP, LAD and LA area on conversion rate at 6Â months after ablation. (A) LA area and LAD in paroxysmal, persistent and longstanding persistent AF (B) preoperative plasma ANP level in longstanding persistent AF; ANP: atrial natriuretic peptide; LAD: left atrial diameter; LA: left atrium.Back to article page