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Related Experiment Video

Updated: Oct 11, 2025

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High-resolution colonic manometry interobserver analysis trial.

Jasper Pannemans1,2, Tim Vanuytsel1,2, Ans Pauwels1

  • 1Translational Research Center for Gastrointestinal Disorders (TARGID), KULeuven, Belgium.

Neurogastroenterology and Motility
|November 29, 2021
PubMed
Summary
This summary is machine-generated.

Colonic high-resolution manometry (HRM) shows substantial agreement for identifying motor patterns in chronic constipation. This supports its use in clinical and research settings for better patient diagnosis and treatment.

Keywords:
colonic manometryhigh-resolutioninterobserver analysis

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Area of Science:

  • Gastroenterology
  • Physiology
  • Diagnostic Methods

Background:

  • Colonic high-resolution manometry (HRM) is an emerging diagnostic tool for chronic constipation.
  • Standardization of HRM motor pattern identification is crucial for its clinical adoption.

Purpose of the Study:

  • To assess the interobserver agreement (IOA) in identifying colonic motor patterns using HRM.
  • To determine the reliability of HRM in differentiating various colonic motor activities.

Main Methods:

  • Seven observers analyzed 106 one-minute time frames from HRM measurements in healthy and constipated individuals.
  • Fleiss's kappa statistic was employed to calculate IOA for diverse motor patterns.
  • Measurements utilized a 40-sensor solid-state colonic HRM catheter.

Main Results:

  • High-amplitude propagating contractions showed near-perfect agreement (k=0.91).
  • Substantial agreement was observed for short antegrade (k=0.63), long antegrade (k=0.68), cyclic retrograde (k=0.70), and slow retrograde patterns (k=0.80).
  • Moderate agreement was noted for short retrograde (k=0.57) and cyclic anterograde (k=0.59) patterns.

Conclusions:

  • The overall interobserver agreement for colonic manometry motor patterns is substantial to high.
  • These findings support the clinical and research utility of colonic HRM.
  • Further harmonization could enhance agreement for complex and mixed-direction motor patterns.