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Same-day 2-L PEG-citrate-simethicone plus bisacodyl vs split 4-L PEG: Bowel cleansing for late-morning colonoscopy

World Journal of Gastrointestinal Endoscopy 2013年第9期5卷 433-439页

作者： Annalisa de Leone Darina Tamayo Giancarla Fiori Davide Ravizza Cristina Trovato Giuseppe De Roberto Linda Fazzini marco dal fante Cristiano Crosta Division of Endoscopy European Institute of Oncology Gastroenterology and Endoscopy Department

AIM: To evaluate the efficacy, tolerability, acceptability and feasibility of bisacodyl plus low volume polyethyleneglycol-citrate-simeticone(2-L PEG-CS) taken the same day as compared with conventional split-dose 4-L PEG for late morning colonoscopy. METHODS: Randomised, observer-blind, parallel group, comparative trial carried out in 2 centres. Out patients of both sexes, aged between 18 and 85 years, undergoing colonoscopy for diagnostic investigation, colorectal cancer screening or follow-up were eligible. The PEG-CS group received 3 bisacodyl tablets(4 tablets for patients with constipation) at bedtime and 2-L PEG-CS in the morning starting 5 h before colonoscopy. The control group received a conventional 4-L PEG formulation given as split regimen; the morning dose was taken with the same schedule of the low volume preparation. The Ottawa Bowel Preparation Scale(OBPS) score was used as the main outcome ***: A total of 164 subjects were enrolled and 154 completed the study; 78 in the PEG-CS group and 76 in the split 4-L PEG group. The two groups were comparable at baseline. The OBPS score in the PEG-CS group(3.09 ± 2.40) and in the PEG group(2.39 ± 2.55) were equivalent(difference +0.70; 95%CI:-0.09-1.48). This was confirmed by the rate of successful bowel cleansing in the PEG-CS group(89.7%) and in the PEG group(92.1%)(difference-2.4%; 95%CI:-11.406.70). PEG-CS was superior in terms of mucosa visibility compared to PEG(85.7% vs 72.4%, P = 0.042). There were no significant differences in caecum intubation rate, time to reach the caecum and withdrawal time between the two groups. The adenoma detection rate was similar(PEG-CS 43.6% vs PEG 44.7%). No serious adverse events occurred. No difference was found in tolerability of the bowel preparations. Compliance was equal in both groups: more than 90% of subjects drunk the whole solution. Willingness to repeat the same bowel preparations was about 90% for both regimes. CONCLUSION: Same-day PEG-CS is feasib

关键词： Bowel preparation Polyethyleneglycol Simethicone Ottawa Bowel Preparation Scale Colonoscopy

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