Interventions
Procedures were performed under general anesthesia with the patients in a supine position. A smaller-sized endotracheal tube was used and placed on the left corner of the mouth. Antibiotic prophylaxis (amoxycillin 1000 mg + clavulanic acid 200 mg) was given. Premedications included ondansetron (4 mg) and PPI (pantoprazole 40 mg).