• Eva P Baerends, Tom Boeije, Anna Van Capelle, Nieke E Mullaart-Jansen, Michael D Burg, and Albert J Bredenoord.
• Department of Emergency Medicine, Westfriesgasthuis, Hoorn, the Netherlands.
• Afr J Emerg Med. 2019 Mar 1; 9 (1): 41-44.

IntroductionThis retrospective case series describes the use of cola to immediately treat complete oesophageal food bolus obstructions in the emergency centre. Short of emergent endoscopy - which is invasive, expensive, not without adverse events, and often unavailable in low-resource settings - no other proven therapies exist to relieve oesophageal food impactions.MethodsWe performed a chart review of adults with complete oesophageal food bolus obstructions presenting to two Dutch emergency centres. Our primary outcome was cola's success rate in resolving the obstruction. Our secondary outcome was adverse event occurrence.ResultsWe identified 22 cola interventions in 19 patients, the majority of whom (77.3%) were male. The median age was 59 years (IQR 29-73). All presentations were due to meat impaction. Endoscopy revealed relevant upper gastrointestinal pathology in 54.5%. When initiated in the emergency centre, cola successfully resolved 59% of complete oesophageal obstructions. No adverse events were reported in patients successfully treated with cola.DiscussionWhile keenly aware of our retrospective study's limitations, we found a promising success rate for cola as an acute intervention for oesophageal food bolus impactions. We registered no adverse events attributable to cola. Also, given that cola is cheap, widely available and seemingly safe we believe it can be considered in patients with oesophageal obstructions due to food, either as pre-endoscopy treatment or in case endoscopy is not available at all. We think our findings provide an impetus for prospective research on this intervention.

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