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Related Experiment Video

Updated: May 26, 2026

Morris Water Maze Experiment
04:45

Morris Water Maze Experiment

Published on: September 24, 2008

Learning and teaching the water method (with videos).

Shai Friedland1, Felix W Leung

  • 1Stanford University and VA Palo Alto HCS, North Hill, CA, USA.

Journal of Interventional Gastroenterology
|December 14, 2011
PubMed
Summary

The water method for colonoscopy insertion is safe and effective for trainees, reducing patient pain and sedation needs. This technique improves cecal intubation rates without compromising safety or adenoma detection.

Area of Science:

  • Gastroenterology
  • Medical Education
  • Endoscopic Procedures

Background:

  • The water method is an emerging colonoscopy insertion technique.
  • It is gaining popularity due to its potential to reduce patient discomfort and sedation.
  • Understanding its learning curve and efficacy is crucial for widespread adoption.

Purpose of the Study:

  • To review the literature on learning and teaching the water method for colonoscopy.
  • To assess the safety and efficacy of the water method across different trainee levels.
  • To identify benefits and potential limitations of this insertion technique.

Main Methods:

  • Systematic review of studies on the water method for colonoscopy.
  • Analysis of data from the United States and Asia.

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  • Evaluation of trainee performance and patient outcomes.

    • Main Results:

    • Trainees at all experience levels can safely learn and use the water method.
    • Benefits include reduced sedation, less patient pain, and improved cecal intubation rates.
    • Safety, adenoma detection rates, and procedure times are not negatively impacted.

    Conclusions:

    • The water method is a safe and effective colonoscopy insertion technique for trainees.
    • It offers significant advantages in patient comfort and procedural efficiency.
    • Further training and implementation are supported by current evidence.