Useful (Open Access) Reference for Colonic Motility Studies

A Rybak et al. JPGN 2022; 74: 681-692. Open Access: Colonic Function Investigations in Children: Review by the ESPGHAN Motility Working Group

This article reviews the following:

  • Colonic Transit Radiomarker Studies (aka Sitz markers)
  • Colonic Scintigraphy
  • Colonic Manometry
  • Wireless Motility Capsule (aka SmartPill)
  • Electromagnetic Capsule Tracking System
  • CINE Motility MRI

The article provides useful information for indications and for interpreting these studies along with some terrific figures.

For colonic transit radiomarkers:

  • Fecal impaction should be addressed prior to study
  • Figure 1 algorithm: If >80% of markers remain in colon on day 4 or 5, this is an abnormal study. “Children are considered as having slow transit constipation when there is a delay in transit, with the pellets spread throughout the colon. When the delay occurs and over 50% of the markers are held up in the rectosigmoid colon, children are labeled as having rectal outlet obstruction”

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