ablation for atrial fibrillation. J Cardiovasc Electrophysiol 2019;30:717-26.
16. Kurokawa S, Nagashima K, Watanabe R, Arai M, Wakamatsu Y, Otsuka N, Yagyu S, Nakai T, Okumura Y. Optimal diameter of the pulmonary vein ostium for second-generation 28-mm cryoballoon ablation of atrial fibrillation. Pacing Clin Electrophysiol. 2020;43:201-9.
17. Schwartzman D, Bazaz R, Nosbisch J. Common left pulmonary vein: a consistent source of arrhythmogenic atrial ectopy. J Cardiovasc Electrophysiol 2004;15:560-6.
18. Skowerski M, Wozniak-Skowerska I, Hoffmann A, Nowak S, Skowerski T, Sosnowski M, Wnuk-Wojnar AM, Mizia-Stec K. Pulmonary vein anatomy variants as a biomarker of atrial fibrillation - CT angiography evaluation. BMC Cardiovasc Disord 2018;18:146.
19. Tekbas G, Gumus H, Onder H, Ekici F, Hamidi C, Tekbas E, Gulicetincakmak M, Yavuz C, Bilici A. Evaluation of pulmonary vein variations and anomalies with 64 slice multi detector computed tomography. Wien Klin Wochenschr 2012;124:3-10.
20. Kaseno K, Tada H, Koyama K, Jingu M, Hiramatsu S, Yokokawa M, Goto K, Naito S, Oshima S, Taniguchi K. Prevalence and characterization of pulmonary vein variants in patients with atrial fibrillation determined using 3-dimensional computed tomography. American J Cardiol 2008;101:1638-42.
21. Marom EM, Herndon JE, Kim YH, McAdams HP. Variations in pulmonary venous drainage to the left atrium: implications for radiofrequency ablation. Radiology 2004;230:824-9.
22. Istratoaie S, Rosu R, Cismaru G,  Vesa SC, Puiu M, Zdrenghea D, Pop D, Buzoianu AD. The Impact of Pulmonary Vein Anatomy on the Outcomes of Catheter Ablation for Atrial Fibrillation. Medicina (Kaunas) 2019;55.
23. Huang SW, Jin Q, Zhang N, Ling TY, Pan WQ, Lin CJ, Luo QZ, Han YX, Wu LQ. Impact of Pulmonary Vein Anatomy on Long-term Outcome of Cryoballoon Ablation for Atrial Fibrillation. Curr Med Sci 2018;38:259-67.
24. van der Voort PH, van den Bosch H, Post JC, Meijer A. Determination of the spatial orientation and shape of pulmonary vein ostia by contrast-enhanced magnetic resonance angiography. Europace 2006;8:1-6.
25. Wittkampf FH, Vonken EJ, Derksen R, Loh P, Velthuis B, Wever EF, Boersma LV, Rensing BJ, Cramer MJ. Pulmonary vein ostium geometry: analysis by magnetic resonance angiography. Circulation 2003;107:21-3.
26. Knecht S, Kuhne M, Altmann D, Ammann P, Schaer B, Osswald S, Sticherling C. Anatomical predictors for acute and mid-term success of cryoballoon ablation of atrial fibrillation using the 28 mm balloon. J Cardiovasc Electrophysiol 2013;24:132-8.
27. Kajiyama T, Miyazaki S, Matsuda J, Watanabe T, Niida T, Takagi T, Nakamura H, Taniguchi H, Hachiya H, Iesaka Y. Anatomic Parameters Predicting Procedural Difficulty and Balloon Temperature Predicting Successful Applications in Individual Pulmonary Veins During 28-mm Second-Generation Cryoballoon Ablation. JACC Clin Electrophysiol 2017;3:580-8.