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Updated: May 12, 2026

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Guidelines for Bowel Preparation before Video Capsule Endoscopy.

Hyun Joo Song¹, Jeong Seop Moon, Jae Hyuk Do

¹Department of Internal Medicine, Jeju National University School of Medicine, Jeju, Korea.

Clinical Endoscopy

|April 25, 2013

Summary

Optimal bowel preparation for video capsule endoscopy (VCE) involves polyethylene glycol (PEG) solution, enhancing visualization and diagnostic yield. Other methods like simethicone improve visualization but not completion rates.

Keywords:

Bowel preparation Capsule endoscopy Guideline

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Published on: August 1, 2019

Area of Science:

Gastroenterology
Medical Devices
Diagnostic Imaging

Background:

Current video capsule endoscopy (VCE) preparation guidelines lack a unified consensus in Korea.
Manufacturer recommendations often involve only a clear liquid diet and fasting.

Purpose of the Study:

To establish evidence-based guidelines for optimal bowel preparation before VCE in Korea.
To evaluate the impact of different preparation methods on VCE outcomes.

Main Methods:

Development of guidelines by the Korean Gut Image Study Group.
Review and synthesis of evidence regarding bowel preparation agents and techniques for VCE.

Main Results:

Polyethylene glycol (PEG) solution improves small bowel visualization quality (SBVQ) and diagnostic yield (DY), but not cecal completion rate (CR).
2 L of PEG solution is as effective as 4 L for SBVQ, DY, and CR.
Simethicone enhances SBVQ but does not impact CR.
Prokinetics show no benefit for SBVQ, DY, or CR.

Conclusions:

PEG solution is recommended for VCE bowel preparation to maximize diagnostic effectiveness.
Specific volumes of PEG and adjunctive agents like simethicone can be optimized for improved visualization without compromising completion.