How Good is Your Prep?

There are a lot of articles that have been published regarding bowel preparations prior to colonoscopy, especially in adults. One of the key advances has been split-prep dosing, which is not utilized much in the pediatric age group.

Nevertheless, a recent pediatric study (S Kumar et al. JPGN 2021; 73: 325-328. Inadequate Bowel Preparation in Pediatric Colonoscopy—Prospective Study of Potential Causes) shows that inadequate bowel preparation in their prospective cohort (n=334) was less prevalent than that noted from typical adult data. Their bowel preparation assessmetn was based on Boston Bowel Preparation Scale (BBPS).

Key finding: Inadequate bowel preparation (IBP) was noted in 12.8% (41/321); there were no age, gender, obesity, race, or insurance type associated with IBP. (IBP was defined by BBPS <5)

Their preparation instructions:

  • If <25 kg, “119 g of PEG 3350 mixed in 32 oz of sport drink” and then “additional 32 oz of a sports drink without PEG 3350”
  • If 26-49 kg, “238 g of PEG 3350 mixed with 64 ounces of fluids” and then “additional 64 oz of a sports drink without PEG 3350”
  • If >50 kg, “238 g of PEG 3350 mixed with 64 ounces of fluids” and then “64 ounces of a sports drink and four bisacodyl tablets”

My take: If you are seeing a high rate of IBP, the prep instructions in this study could be replicated (given their good results), split preps could be given for teens, and better instructions (visual aids) could be needed.

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Disclaimer: This blog, gutsandgrowth, assumes no responsibility for any use or operation of any method, product, instruction, concept or idea contained in the material herein or for any injury or damage to persons or property (whether products liability, negligence or otherwise) resulting from such use or operation. These blog posts are for educational purposes only. Specific dosing of medications (along with potential adverse effects) should be confirmed by prescribing physician.  Because of rapid advances in the medical sciences, the gutsandgrowth blog cautions that independent verification should be made of diagnosis and drug dosages. The reader is solely responsible for the conduct of any suggested test or procedure.  This content is not a substitute for medical advice, diagnosis or treatment provided by a qualified healthcare provider. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a condition.

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