Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: Does Use of Lidocaine Spray on an Endoscope Immediately Before Insertion Improve Patient Tolerance to Endoscopy? A Single Center, Case-Control Study.
Brief Summary: The investigators tested whether a new method which additional lidocaine spray on the tip of endoscope can increase the tolerance of examinee during endoscopy than conventional pharyngeal anesthesia alone.