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Related Experiment Video

Updated: Aug 6, 2025

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Improving bowel preparation for colonoscopy with a smartphone application driven by artificial intelligence.

Yan Zhu1,2, Dan-Feng Zhang1,2, Hui-Li Wu3

  • 1Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital, Fudan University, Shanghai, China.

NPJ Digital Medicine
|March 15, 2023
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Summary
This summary is machine-generated.

An artificial intelligence (AI) smartphone app significantly improved colonoscopy preparation quality. The AI app enhanced patient compliance with dietary and purgative instructions, leading to better bowel cleansing outcomes.

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Area of Science:

  • Gastroenterology
  • Medical Informatics
  • Artificial Intelligence

Background:

  • Optimal bowel preparation is crucial for successful colonoscopies, but inadequate preparation rates remain high.
  • Existing methods for assessing bowel preparation quality can be subjective and inconsistent.

Purpose of the Study:

  • To develop and evaluate a smartphone application utilizing artificial intelligence (AI) for assessing patient bowel preparation quality.
  • To determine the impact of an AI-driven app on improving bowel preparation and patient compliance for colonoscopy outpatients.

Main Methods:

  • A prospective, single-masked, multicenter randomized clinical trial was conducted with 524 smartphone-owning outpatients scheduled for colonoscopy.
  • Patients were randomized 1:1 to a control group or an AI-driven app group for bowel preparation assessment.
  • The AI system, trained on labeled fecal photographs, predicted preparation quality with high accuracy (95.15% accuracy, 0.98 AUC).

Main Results:

  • The AI-driven app group showed significantly higher rates of adequate bowel preparation (88.54% vs. 65.59%, P < 0.001).
  • Mean Boston Bowel Preparation Scale (BBPS) scores were significantly higher in the AI group (6.74 vs. 5.97, P < 0.001).
  • Patient compliance with dietary restrictions and purgative instructions was significantly improved in the AI group.

Conclusions:

  • An AI-driven smartphone application can significantly enhance the quality of bowel preparation for colonoscopy.
  • The AI app improves patient adherence to preparation protocols, contributing to better procedural outcomes.
  • This technology offers a promising tool for optimizing colonoscopy preparation and potentially improving adenoma detection rates.