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Optimizing bowel preparation quality for colonoscopy: consensus recommendations by the US Multi-Society Task Force on
Brian C Jacobson1, Joseph C Anderson2, Carol A Burke3
1Department of Medicine, Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts, USA; Harvard Medical School, Boston, Massachusetts, USA.
Gastrointestinal Endoscopy
|March 6, 2025
Summary
Optimizing bowel preparation for colonoscopy is crucial for accurate diagnoses. Updated guidelines recommend split-dose regimens and limited dietary restrictions for better colonoscopy outcomes.
Area of Science:
- Gastroenterology
- Endoscopy
- Colorectal Cancer Screening
Background:
- The US Multi-Society Task Force on Colorectal Cancer provides updated recommendations for bowel cleansing before colonoscopy.
- These guidelines address optimizing bowel preparation adequacy for both average-risk and high-risk individuals.
Purpose of the Study:
- To present consensus statements and key clinical concepts for effective bowel preparation.
- To improve the quality of colonoscopy by ensuring adequate bowel cleansing.
Main Methods:
- Development of consensus statements based on expert review.
- Focus on optimizing bowel preparation regimens and dietary guidelines.
Main Results:
- Recommends split-dose bowel preparation regimens, with 2 L potentially sufficient.
- Suggests same-day regimens as an alternative for afternoon colonoscopies, but inferior for morning procedures.
- Recommends limiting dietary restrictions to the day before colonoscopy (clear liquids or low-fiber/low-residue diets).
- Suggests adjunctive use of oral simethicone.
- Recommends routine tracking of adequate bowel preparation rates (>90% target).
Conclusions:
- Split-dose bowel preparation is recommended for optimal colonoscopy.
- Dietary modifications and simethicone can aid preparation.
- Monitoring preparation quality is essential for improving colonoscopy efficacy.
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