This commentary refers to 'A worldwide survey on incidence, management, and prognosis of
oesophageal fistula formation following atrial fibrillation catheter ablation: the POTTER-AF …

Fistulae between the esophagus and the pericardium or the left atrium are rare but feared,
and often fatal, complications of cardiac and esophageal procedures and pathologies. Given …

Objective To investigate the therapeutic effects of a modified simultaneous unipolar saline-
irrigated radiofrequency ablation by intracardiac operation under direct vision in patients …