Clear-Liquid Versus Low-Fibre Diet in Bowel Cleansing for Colonoscopy in Children: A Randomized Trial.

Objectives: In light of a paucity of data on the role of diet in colonoscopy preparation in paediatric population, the present study was designed to compare the effectiveness of clear-liquid and low-fibre diets for breakfast and lunch on the day preceding colonoscopy in children. Methods: This prospective, randomized trial was conducted at the Department of Paediatric Gastroenterology and Nutrition in Warsaw, Poland. Eligible patients, referred for colonoscopies, were 6 to 18 years old. Patients were randomly divided into two groups: the first received a clear-liquid diet and the second a low-fibre diet on the day before colonoscopy. In the afternoon, all participants were asked to drink polyethylene glycol with electrolytes at a dose of 66 ml per kg to a maximum of 4 l. The effectiveness of bowel cleansing was measured using the Boston Bowel Preparation Scale (BBPS). The preparation tolerance was assessed by parents and children using a VAS scale. Side effects were reported. Results: In total, 184 patients were enrolled. Of those, 96 received the clear-liquid diet and 88 - the low-fibre diet. The mean age of both groups was 15 years. There were no differences between the two study groups in age, weight and sex, as well as in total BBPS score (BBPS>=5 96.6% versus 95.1%, p = 0.5). The frequency of adverse effects was similar in both groups; nausea was the most common (p = 0.8). Conclusions: Clear-liquid and low-fibre diets administered to children the day before colonoscopy demonstrated similar bowel cleansing effectiveness. (C) 2017 by European Society for Pediatric Gastroenterology, Hepatology, and Nutrition and North American Society for Pediatric Gastroenterology,

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