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Handheld Metal Detector Screening for Metallic Foreign Body Ingestion in Children
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Factors Associated with Spontaneous Passage of Ingested Foreign Body in Children: A Prospective Observational Study

Veerabhadra Radhakrishna1, Raghunath Bangalore Vasudev1, Bahubali Deepak Gadgade1

  • 1Department of Pediatric Surgery, Bangalore Medical College and Research Institute, Bengaluru, Karnataka, India.

Journal of Indian Association of Pediatric Surgeons
|April 7, 2025
PubMed

Insights

Most ingested foreign bodies pass spontaneously. Sharp objects transit faster than blunt ones, with passage influenced by size, constipation, and colon loading. This study analyzed factors affecting foreign body passage in children.

Area of Science:

  • Pediatric Surgery
  • Gastroenterology

Background:

  • Ingested foreign bodies are common in children.
  • Spontaneous passage is the typical outcome, but factors influencing it require further elucidation.

Purpose of the Study:

  • To identify factors associated with the spontaneous passage of ingested foreign bodies in children.
  • To analyze the characteristics of ingested foreign bodies and their transit times.

Main Methods:

  • Prospective observational cohort study at a tertiary pediatric surgery center.
  • Inclusion of 139 children with a follow-up period exceeding 6 months.
  • Standardized management protocol for ingested foreign bodies.

Main Results:

  • Blunt objects, primarily coins, were the most common ingestions (60%).
  • Sharp objects passed significantly faster (87 h) than blunt objects (141 h).
  • Delayed passage correlated with larger object diameter, constipation, and colon loading.

Conclusions:

  • Most ingested foreign bodies pass spontaneously and without complications.
  • Sharp objects demonstrate quicker transit times compared to blunt objects.
  • Object size, constipation, and colon radiographic findings are key determinants of foreign body transit time.
Abstract

Keywords:
Blunt and sharp objectsconstipationforeign body ingestiongastrointestinal transit timepediatric endoscopyspontaneous passage

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