Optimizing bowel preparation for colonoscopy: Updated consensus recommendations

Area of Science:

• Gastroenterology
• Endoscopy
• Colorectal Cancer Screening

Background:

• The 2014 consensus recommendations for colonoscopy preparation required updates.
• Optimizing bowel preparation is crucial for effective colorectal cancer screening and diagnosis.

Purpose of the Study:

• To present the 2025 updated consensus recommendations on colonoscopy preparation.
• To provide evidence-based guidance for clinicians to improve patient tolerability and preparation efficacy.

Main Methods:

• Review and synthesis of current evidence on bowel preparation regimens.
• Expert consensus development by the US Multi-Society Task Force on Colorectal Cancer.

Main Results:

• Simplified dietary restrictions for low-risk patients.
• Preference for 2-L over 4-L bowel preparation solutions for improved tolerability.
• Universal recommendation for split-dose administration of bowel preparation.
• Oral simethicone recommended to enhance visualization.
• Preparation adequacy tracking established as a quality metric.

Conclusions:

• The updated guidelines aim to enhance patient experience and adherence.
• These recommendations support high-quality colonoscopy procedures for colorectal cancer prevention.