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Related Experiment Videos

Competency and the colonoscopist: a learning curve.

B R Parry1, S M Williams

  • 1Department of Surgery, University of Otago, Dunedin, New Zealand.

The Australian and New Zealand Journal of Surgery
|June 1, 1991
PubMed
Summary

This study analyzed colonoscopist training, finding that around 200 procedures are needed to consistently achieve a 90% colonoscopy completion rate. Cumulative sum analysis effectively monitors trainee progress and competence.

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Area of Science:

  • Medical training and education
  • Gastroenterology
  • Clinical auditing

Background:

  • Assessing colonoscopist competence is crucial for patient care.
  • Traditional training metrics may not accurately reflect skill acquisition.
  • Objective measures are needed to evaluate trainee performance.

Purpose of the Study:

  • To analyze the relationship between colonoscopist experience and achieving a 90% colonoscopy completion rate.
  • To evaluate the utility of cumulative sum (cusum) analysis in monitoring trainee progress.
  • To inform training requirements for colonoscopists.

Main Methods:

  • Audit of 334 consecutive unassisted colonoscopies performed by a single trainee.
  • Application of cumulative sum (cusum) score to track the time trend towards a 90% completion rate.

Related Experiment Videos

  • Analysis of polypectomy rates in indicated procedures.

    • Main Results:

    • A learning curve was identified, requiring approximately 100 studies to approach the 90% completion rate.
    • Consistent achievement of the 90% completion rate required approximately 200 studies.
    • Continued improvement in completion rates was observed beyond 200 studies.
    • Polypectomy was performed in 117 of 123 indicated studies.

    Conclusions:

    • Cusum analysis is a valuable tool for monitoring trainee colonoscopist progress and competence.
    • Training should emphasize achieving an acceptable completion rate over arbitrary procedural quotas.
    • Objective performance metrics like completion rate are essential for effective medical training.