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Vitamin drinks improve palatability and reduce adverse events associated to polyethylene glycol electrolyte solutions
Lijie Huang1, Chunjian Li1, Yi-Zhou Jiang1
1Department of Gastroenterology, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, 29 Xinglong Lane, Tianning District, Changzhou, 213000, Jiangsu Province, China.
Background:
The unpleasant taste of polyethylene glycol (PEG) has been a hindrance to patients undergoing colonoscopy.
Aim:
This study aims to determine whether the addition of a vitamin drink (Mizone) to the 4L split-dose PEG regimen would be effective in improving the solution's palatability, and reducing patient discomfort during bowel preparation.
Methods:
The present prospective, single endoscopist-blinded, randomized controlled study randomly assigned patients into two groups: PEG + Mizone group (3.6 L of PEG solution plus 0.4 L of Mizone) and PEG group (4 L of PEG solution). Palatability was assessed using a Likert scale of 1-5. The adverse events, amount of unconsumed solution, and willingness to repeat the same process were recorded through a questionnaire. The present study was registered in the Chinese Clinical Trial Registry (ChiCTR2000034484).
Results:
A total of 132 patients were included. The demographic characteristics of these patients were comparable between the two groups. The palatability score (mean ± standard deviation [SD]) was higher in the PEG + Mizone group, when compared to the control group (4.00 ± 0.859 vs. 2.95 ± 0.999, p < 0.001). Furthermore, the incidence of nausea was lower in the PEG + Mizone group (9.1 % vs. 28.8 %, p = 0.004), while the other adverse events were similar between the two groups. The percentage of the completely consumed pre-prepared solution was significantly greater in the PEG + Mizone group (95.5 % vs. 78.8 %, p = 0.004). Furthermore, the willingness to repeat the same process was higher in the PEG + Mizone group (83.3 % vs. 42.4 %, p < 0.001). However, the consumption of either of these preparations did not significantly affect the electrolyte and blood glucose levels, and renal function.
Conclusion:
Compared to the conventional 4L PEG bowel preparation, the use of a vitamin drink (Mizone) as an adjuvant can improve the palatability, reduce adverse events, and increase the patient's willingness to undergo bowel preparation with the same regimen.
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