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Adding efficiency to proficiency: a study of trainee polypectomy efficiency metrics.

Larissa Muething1,2, Sachin Wani1, Matt Hall3

  • 1Gastroenterology and Hepatology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States.

Endoscopy
|July 11, 2020
PubMed
Summary
This summary is machine-generated.

New colonoscopy efficiency indices, polypectomy efficiency (PE) and neoplastic polypectomy efficiency (NPE), were validated. These metrics accurately reflect the time taken for polyp removal during colonoscopies, aiding in performance assessment.

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Area of Science:

  • Gastroenterology
  • Medical Education
  • Endoscopic Procedures

Background:

  • Existing colonoscopy assessment tools lack efficiency metrics.
  • There is a need for objective measures of colonoscopy performance.

Purpose of the Study:

  • To assess the content validity of polypectomy efficiency (PE) and neoplastic polypectomy efficiency (NPE) as colonoscopy efficiency indices.
  • To introduce and validate novel metrics for measuring colonoscopy efficiency.

Main Methods:

  • Utilized data from a randomized controlled trial involving gastroenterology trainees.
  • Defined PE and NPE as (polyps removed / withdrawal time) × 100.
  • Assessed content validity by correlating efficiency indices with polypectomy times.

Main Results:

  • 20 trainees completed 601 colonoscopies.
  • A strong association was found between PE/NPE and polypectomy duration.
  • A 1-minute increase in polypectomy time correlated with a decrease in PE by 0.48 (P=.001) and NPE by 0.24 (P=.03).

Conclusions:

  • Polypectomy efficiency (PE) and neoplastic polypectomy efficiency (NPE) are proposed as valid colonoscopy efficiency indices.
  • These indices provide a quantifiable measure of efficiency in polyp removal during colonoscopy.