Cola Ingestion for Esophageal Bolus Impaction

Exclusion Criteria

• •1. It is known that complete esophageal obstruction is caused by tumor progression.
• •2. Patients who have been diagnosed with or highly suspected of having esophageal fistula through endoscopy or imaging prior to enrollment.
• •3. Patients with nasogastric nutrition tube and esophageal stent implantation
• •4. Patients who have symptoms such as coughing and are unable to drink cola, or who are at serious risk of aspiration (Glasgow Coma Scale\<14 or previous history of aspiration).
• •5. Benign diseases such as gastroesophageal reflux, cardiac arrest, and congenital esophageal stenosis that can easily lead to foreign body impaction in the esophagus.
• •6. Patients with coagulation dysfunction, thrombocytopenia, or taking anticoagulant drugs that are medically considered contraindications for endoscopic examination and treatment.
• •7. According to the researchers' assessment, patients may not be able to cooperate with the examination and treatment, or there may be other factors that could force them to terminate the study midway, such as having other serious illnesses (including mental illnesses) that require concomitant treatment, severe abnormal laboratory test values, family or social factors, which may affect the safety of the patients or the collection of experimental data.