
Keywords: رگ ریوی; AEF; atrioesophageal fistula; AF; atrial fibrillation; AT; atrial tachycardia; CB; cryoballoon; CB1; first-generation cryoballoon; CB2; second-generation cryoballoon; CI; confidence interval; EFI; early freezing interruption; LET; luminal esophageal tempe