
Keywords: انزال وریدی ریوی، فیبریلاسیون دهلیزی; atrial fibrillation; computed tomography; cryoballoon; phrenic nerve injury; pulmonary vein isolationAF, atrial fibrillation; AUC, area under the curve; CB, cryoballoon; CI, confidential interval; CMAPs, compound motor action potentials; MDCT, multidetect