The authors of a recent report (JPGN 2014; 59: 409-16) acknowledge that “bowel regimens vary significantly” and “few clinical studies in pediatrics have evaluated the use of various bowel preparation regimens.” Furthermore, “pediatric studies did not have a common efficacy measure.”
Nevertheless, they provide a “NASPGHAN best practices cleanout regimens.” According to Table 7:
- Option 1: PEG-3350 (eg. Miralax) -1-day cleanout: If less than 50 kg, then 4 g/kg/day + bisacodyl 5 mg. If >50 kg, then 238 g in 1.5 L sports drink + bisacodyl 10 mg. PEG-3350 administered over 4-6 hours.
- Option 2: PEG-3350 -2-day cleanout: If <50 kg, then 2 g/kg/day + bisacodyl 5 mg; if >50 kg, then 2 g/kg/day + bisacodyl 10 mg.
- Option 3: NG cleanout: PEG-ELS (eg. Nulytely) 25 mL/kg/h (max 450 mL/h). NG cleanouts mainly in those with history of failed preps or other adherence problems (eg. vomiting).
- Option 4: non-PEG cleanout: Magnesium citrate 4-6 mL/kg/day + bisacodyl 5-10 mg.
My personal opinion is that Table 7 could drop the words “best practices” since the report states “alternative dosing regimens may be entirely reasonable” and the data are quite limited.
With regard to split dosing preparations which are now recommended in adults, their role in pediatrics is a “potential area for future research.” For adults, the U.S. Multi-Society Task Force Consensus Statement on Adequate Bowel Cleansing for Colonoscopy (Johnson DA et al. Optimizing Adequacy of Bowel Cleansing for Colonoscopy: Recommendations from the US Multi-Society Task Force on Colorectal Cancer. Gastroenterology 2014; 147(4):903-924) recommends:
- Use of a split-dose bowel cleansing regimen is strongly recommended for elective colonoscopy, meaning roughly half of the bowel cleansing dose is given the day of the colonoscopy.
- The second dose of split preparation ideally should begin four to six hours before the time of colonoscopy with completion of the last dose at least two hours before the procedure time.
- During a split-dose bowel cleansing regimen, diet recommendations can include either low-residue or full liquids until the evening on the day before colonoscopy.
Take-home message: This NASPGHAN report summarizes the literature and provides recommendations for effective bowel preparations.
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