Oral nitroglycerin solution for oesophageal food impaction: a prospective single-arm pilot study.

Background: Thirteen episodes of oesophageal food impaction (EFI) per 100 000 people present to a medical setting each year. Several pharmacological interventions meant to relieve such impactions have been explored; none have proven superior.

Objectives: Perform a single-arm feasibility study of oral nitroglycerin solution for EFI.