• Xia Li, Wei Yang, Hui Zhao, Wenquan Lan, Gang Xu, and Yuanfa Li.
• Department of Gastroenterology, Xiantao First People's Hospital, Xiantao, Hubei, China.
• J Coll Physicians Surg Pak. 2023 Nov 1; 33 (11): 124412481244-1248.

ObjectiveTo evaluate the influence of reinforced educational video through smartphone WeChat on adenoma detection rate (ADR).Study DesignRandomised controlled study. Place and Duration of the Study: Department of Gastroenterology, Xiantao First People's Hospital affiliated to Yangtze University, Hubei, China, from May 2020 to December 2021.MethodologyAll participants received written instructions regarding bowel preparation and diet before colonoscopy. After randomisation, patients in video group received educational videos through WeChat, two days before the colonoscopy. The primary endpoint was ADR. The secondary outcomes were polyp detection rate (PDR), quality of bowel preparation, adverse events, and satisfaction with preparation.ResultsFive-hundred and sixty-four patients were included in the study (284 in video group and 280 in non-video group). ADR was similar in both groups without significant difference (26.4% vs. 23.2%, p=0.38). PDR was not different among the two groups (31.7% vs. 30.4%). The total cleansing score and percentage of adequate bowel preparation in the video group were higher compared with non-video group (p<0.05). Moreover, patient satisfaction was also higher in video group (p=0.048), and the incidence of adverse events in both groups was similar.ConclusionThe availability of a supplementary educational video before colonoscopy was insufficient to improve ADR and PDR, but offered benefits on bowel preparation quality and patient satisfaction.Key WordsVideo, Adenoma detection rate, Bowel preparation, Colonoscopy.

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