Lidocaine Spray on an Endoscope to Improve Tolerance to Endoscopy

Does Use of Lidocaine Spray on an Endoscope Immediately Before Insertion Improve Patient Tolerance to Endoscopy? A Single Center, Case-Control Study.

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.

All the patients underwent upper gastrointestinal endoscopy were consecutively enrolled and assigned to case group treated with additional 2 puffs of the 10% lidocaine spray on the tip of endoscope before intubation or control group with conventional pharyngeal anesthesia without further treatment. And the investigators compared their baseline characteristics, past history, sedation or not, and frequency of retching and belching were measured during the endoscopy.

Inclusion Criteria:

• All the patients who underwent upper gastrointestinal endoscopy in Endoscopy Room, Cheju Hall General Hospital.

Exclusion Criteria:

• advanced older or younger age (> 90, or < 15 years)
• comorbidities scored greater than III of American Society of Anestheiologists Physical Status Classification System (ASA) score
• history of hypersensitivity reaction to lidocaine
• he pregnant
• therapeutic or emergency endoscopy