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Bowel preparation quality scales for colonoscopy.

David Kastenberg1, Gerald Bertiger2, Stuart Brogadir3

  • 1Division of Gastroenterology and Hepatology, Department of Medicine, Thomas Jefferson University, Philadelphia, PA 19107, United States. david.kastenberg@jefferson.edu.

World Journal of Gastroenterology
|July 19, 2018
PubMed
Summary

Adequate bowel preparation is crucial for colonoscopy success in colorectal cancer screening. Standardized, validated scales are needed to improve quality assessment and compare results across studies.

Keywords:
Aronchick scaleBoston Bowel Preparation ScaleBowel preparationColonoscopyOttawa Bowel Preparation Scale

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Area of Science:

  • Gastroenterology
  • Oncology
  • Medical Diagnostics

Background:

  • Colorectal cancer (CRC) is a leading cause of cancer death in the US.
  • Colonoscopy is the primary CRC screening method, but its effectiveness relies on adequate bowel preparation.
  • Inadequate bowel preparation affects polyp detection and can lead to repeat procedures.

Purpose of the Study:

  • To highlight the lack of standardized criteria for assessing bowel preparation quality in colonoscopy.
  • To discuss the challenges posed by the variety of existing, often non-validated, assessment scales.
  • To emphasize the need for validated scales to improve CRC screening quality and clinical trial comparability.

Main Methods:

  • Review of existing literature on bowel preparation quality assessment scales for colonoscopy.
  • Analysis of the variability in grading methodologies and categorization criteria among different scales.
  • Examination of available reliability and validity data for published scales.

Main Results:

  • Up to 25% of colonoscopies suffer from inadequate bowel preparation.
  • A significant number of non-validated scales are used, causing confusion and hindering data comparison.
  • Existing validated scales vary in key attributes, and optimal criteria remain debated.

Conclusions:

  • Standardized, validated bowel preparation quality scales are essential for accurate colonoscopy assessment.
  • Implementing stringent yet simple scoring criteria would enhance clarity in clinical trials and practice.
  • Improved quality measurement can optimize colorectal cancer screening effectiveness.