Related Experiment Video
Updated: Feb 6, 2026
E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
Published on: August 1, 2019
Educational Video Followed by Retelling Bowel Preparation Process to Improve Colonoscopy Bowel Preparation Quality: A
Chunna Liu1, Xiaoyan Song2, Huiqiu Hao3
1Department of Quality Management Division, Yantai City Hospital of Traditional Chinese Medicine, Yantai, Shandong, China (mainland).
Abstract:
BACKGROUND This study investigated the effect of a patient education video followed by retelling the process of bowel preparation on colonoscopy bowel preparation quality. MATERIAL AND METHODS This was a prospective, randomized, controlled clinical trial of outpatients undergoing colonoscopy. Patients were randomized (1: 1) to the video + retelling group or the control group. The primary endpoint was to assess the bowel preparation quality using the Ottawa Bowel Preparation Quality scale (Ottawa score). Risk factors associated with poor bowel preparation were also evaluated. RESULTS The video + retelling group had a higher percentage of patients with adequate colonoscopy bowel preparation (Ottawa score <6) than the control group (P<0.001). Mean Ottawa total scores significantly differed between the control group and the video + retelling group (4.18±1.4 vs. 3.05±1.3, P<0.001). The video + retelling group showed superior cleanliness in the right, middle, and recto-sigmoid colon segments (all Ps <0.001). Logistic regression analysis revealed that male gender (OR=2.10, 95%CI: 1.098-4.018, P=0.025), diabetes mellitus (OR=2.830, 95%CI: 1.257-6.372, P=0.012), and no educational video followed by retelling bowel preparation process (OR=3.02, 95%CI: 1.731-5.270, P<0.001) were independently associated with poor bowel preparation. CONCLUSIONS Use of an educational video followed by asking patients to retell the process of bowel preparation after receiving regular instructions is a convenient and risk-free practice that enhances the compliance with bowel preparation guidance and improves bowel preparation quality.
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