• Qing-Qin Xu, Wen-Xiu Zhu, Hao-Lan Xiong, Fan-Li Zeng, and Yun Du.
• Department of Anesthesiology, Chongqing General Hospital, Chongqing, China.
• Medicine (Baltimore). 2023 Jun 16; 102 (24): e33899e33899.

AbstractThe aim of this study was to evaluate the feasibility, safety, and optimal dose of oral intake of carbohydrate-rich drinks 2 hours before painless colonoscopy. All patients receiving painless colonoscopy were randomly divided into 3 groups: control group (no carbohydrate-rich drink, n = 33), low-dose group (5 mL/kg carbohydrate-rich drink, n = 30), and high-dose group (8 mL/kg carbohydrate-rich drink, n = 30). Use of vasoactive drugs, the visual analog scale including thirst and hunger, degree of satisfaction, the time required for Modified Post Anesthetic Discharge Scoring System scale, first urination time, electrolyte level (sodium, potassium, and calcium), and blood glucose level were also determined. A total of 93 patients were recruited in this study. No significant difference was observed in the cross-sectional area (CSA) of the gastric antrum area at T0 between low- and high-dose groups (P = .912). There was a significant difference in CSA of gastric antrum at 120 minutes after oral intake between the low- and high-dose groups (P = .015). No significant difference was observed in the CSA of gastric antrum at 0 minutes and 120 minutes in the low-dose group (P = .177). In the high-dose group, the CSA of gastric antrum significantly differed at 0 minutes and 120 minutes (P < .001). There was a significant difference in the visual analog scale scores of thirst and hunger at 4 and 5 hours after bowel preparation among 3 groups (P = .001, P = .029, P < .001, P = .001). The degree of satisfaction in low- and high-dose groups was significantly higher than that in the control group (both P < .001). In conclusion, it is feasible and safe to deliver an oral intake of 5 mL/kg carbohydrate-rich drink 2 hours before painless colonoscopy. The comfort level and degree of satisfaction of patients can be further improved.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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