Best evidence topic report. Effervescent agents for oesophageal food bolus impaction.

A short cut review was carried out to establish whether fizzy drinks alone are effective at resolving food bolus impaction. Altogether 46 papers were found using the reported search, of which six presented the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these best papers are tabulated. A clinical bottom line is stated.