Although these observed improvements in mortality are highly significant, the reason for the different treatment strategies shows a selection bias, since patients who were not able to undergo any oesophageal surgery or endoscopic treatment and received conservative treatment due to critical illness had the worst outcome.
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A worldwide survey on incidence, management, and prognosis of oesophageal fistula formation following atrial fibrillation catheter ablation: the POTTER-AF study.
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