Multicenter prospective trial of colonoscopy using short length double balloon endoscopy for patients with previous incomplete colonoscopy - Multicenter prospective trail of double balloon colonoscopy

A total of 110 patients (62 males, median age 66.5 years) were included. Fifty-four patients had a history of abdominal surgery. The cecal intubation rate was 100% (110/110). Median intubation time was 12 minutes (range 4-47 minutes). Mild mucosal tears without symptoms occurred in 1 patient. For 64.5% of patients, intravenous sedatives and/or analgesics were used during examinations. Based on questionnaires, 50.9% had no pain, 31.8% slight pain, and 17.3% tolerable pain. Moreover, 96.4% of patients answered that their examination was more comfortable than their previous colonoscopy.