Is it safe to monitor oesophageal temperature during AF ablation?

Abstract

A 71-year-old man with paroxysmal atrial fibrillation underwent pulmonary vein isolation (PVI). Luminal oesophageal temperature (LET) was monitored throughout the procedure using a probe with three thermocouples ( Figure panel A). Luminal oesophageal temperature remained below 39°C except for a 40 s episode of 40.3°C. An oesophageal endoscopy carried out on the day after the …