Prospective study of the factors associated with poor tolerance to ambulatory colonoscopy under conscious sedation.

Background: conscious sedation with benzodiazepines and opiates for colonoscopy is a widespread clinical practice.

Objective: to determine the patient's tolerance to colonoscopy and identify the factors associated with lower tolerance.

Methods: a prospective, single-center, descriptive study of patients undergoing ambulatory colonoscopy under conscious sedation.