Can cryoballoon ablation produce alterations in cardiac and extra-cardiac autonomic nervous system in patients with atrial fibrillation?
                              
 
                                  Event:
                                  
                                    ESC Congress 2019
                                  
 
                                  Topic:
                                  
                                    Rhythm Control, Catheter Ablation
                                  
 
                                  Session:
                                  
                                    Cryoballoon ablation of atrial fibrillation