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Updated: May 6, 2026

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Tube feeding increases the gastric-emptying rate determined by gastroesophageal scintigraphy

Wengen Chen1, Ion Codreanu, Jigang Yang

  • 1From the Department of Radiology, Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, PA.

Clinical Nuclear Medicine
|October 25, 2013
PubMed

Insights

Tube feeding accelerates gastric emptying in pediatric patients compared to oral feeding. This finding from gastroesophageal reflux scintigraphy was consistent across various patient demographics and meal types.

Area of Science:

  • Pediatric Gastroenterology
  • Nuclear Medicine
  • Digestive Physiology

Background:

  • Gastric emptying is crucial for nutrient absorption and preventing complications.
  • Understanding factors influencing gastric emptying in pediatric populations is essential for clinical management.

Purpose of the Study:

  • To investigate the impact of tube feeding versus oral feeding on gastric emptying rates in children.
  • To utilize gastroesophageal reflux scintigraphy for quantitative assessment.

Main Methods:

  • Retrospective analysis of 700 pediatric patients (1 week to 16 years) undergoing gastroesophageal reflux scintigraphy.
  • Comparison of gastric emptying rates at 60 minutes between 350 tube-fed and 350 orally fed subjects.
  • Stratification analysis by age, sex, and meal characteristics.

Main Results:

  • Tube feeding resulted in a significantly higher average gastric emptying rate (52.9%) compared to oral feeding (44.2%) at 1 hour (P < 0.01).
  • Fast gastric emptying (>50% at 60 minutes) was more prevalent in the tube feeding group (59.7%) than the oral feeding group (31.4%) (P < 0.01).
  • These differences remained significant after stratification analysis.

Conclusions:

  • Tube feeding accelerates gastric emptying in pediatric patients as measured by gastroesophageal reflux scintigraphy.
  • This effect is independent of patient age, sex, and the type or volume of the ingested meal.
Abstract

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