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Transit through the distal quarter of the oesophagus in young children

M Cronin1, M D Mann, S Wynchank

  • 1Department of Paediatrics and Child Health, University of Cape Town, Rondebosch, South Africa.

Annals of Nuclear Medicine
|November 1, 1995
PubMed

Insights

In children, esophageal bolus transit through the distal esophagus normally takes less than 2 seconds. Transit time tends to be slower in the initial 4 seconds following a swallow.

Area of Science:

  • Gastroenterology
  • Pediatric Physiology
  • Swallowing Mechanics

Background:

  • Understanding normal esophageal transit is crucial for diagnosing swallowing disorders in children.
  • The distal esophagus and lower esophageal sphincter play a key role in bolus clearance.

Purpose of the Study:

  • To establish normative values for esophageal transit time in the distal quarter of the esophagus in children.
  • To characterize the temporal dynamics of bolus transit during normal swallowing in pediatric populations.

Main Methods:

  • Analysis of 33 scintigraphic esophageal studies representing normal pediatric swallows.
  • Measurement of transit time for 800 individual boluses through the distal esophagus, including the lower esophageal sphincter.

Main Results:

  • Normal transit time through the distal esophagus in children is typically under 2 seconds.
  • Bolus transit demonstrates a trend towards slower movement within the first 4 seconds post-swallow onset.

Conclusions:

  • Provides normative data for pediatric esophageal transit time.
  • Highlights the initial phase of swallowing as a period of potentially slower transit in children.

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