Safety
sore throat, dysphagia, bloating, bleeding, epigastric pain, death, heartburn, chest pain, vomiting, shoulder pain, reflux symptoms, organ failure, sepsis
SORE THROAT, DYSPHAGIA, BLEEDING, ADVERSE EVENTS, ADVERSE EVENT, EVENTS, SEPSIS

The occurrence and consequences of adverse events were recorded. Adverse events were considered mild (sore throat, heartburn, mild epigastric pain, shoulder pain, vomiting, or bloating), moderate (dysphagia, chest pain, severe reflux symptoms), or severe (events requiring hospitalization, emergency surgery, bleeding requiring blood transfusion, sepsis, organ failure, or death)
