What question did this study set out to answer?

To evaluate the impact of an infographic-based intervention on water consumption during bowel preparation for colonoscopy.

February 22, 2026

Author commentary on Atsushi Imagawa et al.

Key Points

To evaluate the impact of an infographic-based intervention on water consumption during bowel preparation for colonoscopy.
Prospective observational study design
Patient education delivered via infographic
Measurement of water consumption before and after the intervention
Analysis focused on flushing water use
Modest reduction in water consumption per colonoscopy session
Potential for significant water conservation on a larger scale
Demonstrated impact of educational intervention on patient behavior

Abstract

Atsushi Imagawa et al. Water consumption during bowel preparation for colonoscopy before and after a simple infographic-based intervention: a prospective observational study Although the environmental impact of endoscopy is still high owing to patient transport, scope cleansing, and use of consumables, a simple intervention with patient education on toilet flushing during bowel preparation significantly reduced the amount of water used for flushing. While the per-session reduction was only modest, implementing these measures on a regional or national scale could result in significant water conservation over time. Article published online: 20 February 2026 © 2026. Thieme. All rights reserved. Georg Thieme Verlag KG Oswald-Hesse-Straße 50, 70469 Stuttgart, Germany

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