Feasibility and clinical value of pyloric functional luminal imaging probe in an infant

Ariel Porto1, Roman S Pantazopoulos2, Peter T Osgood3,4

  • 1Division of Pediatric Gastroenterology Oregon Health and Science University Portland Oregon USA.

JPGN Reports
|February 16, 2026
PubMed

Insights

Pyloric dysfunction in infants, a cause of gastroparesis, can now be diagnosed and treated using functional luminal imaging probe (FLIP) technology. This innovative approach improved feeding tolerance in a pediatric case study.

Area of Science:

  • Pediatric Gastroenterology
  • Gastrointestinal Motility Disorders
  • Diagnostic Technology

Background:

  • Pyloric dysfunction is an emerging cause of gastroparesis in infants.
  • Current diagnostic and therapeutic strategies for infant pyloric dysfunction are limited.
  • Lack of standardized parameters and safety concerns hinder the use of tools like functional luminal imaging probe (FLIP) in infants.

Purpose of the Study:

  • To report the first case of pyloric distensibility testing in an infant using FLIP technology.
  • To evaluate the safety and efficacy of FLIP-guided interventions for infant pyloric dysfunction.
  • To explore potential evidence-based treatment strategies for feeding intolerance in infants.

Main Methods:

  • Pyloric distensibility testing was performed in an infant using functional luminal imaging probe (FLIP).
  • Therapeutic interventions included balloon dilatation and intrapyloric botulinum toxin injection.
  • Gastric feeding tolerance was assessed post-intervention.

Main Results:

  • The study identified low pyloric distensibility in the infant.
  • Therapeutic balloon dilatation and botulinum toxin injection led to significant and sustained improvement in feeding tolerance.
  • FLIP technology demonstrated feasibility and safety in this pediatric application.

Conclusions:

  • This case highlights the clinical effectiveness of FLIP for diagnosing and treating pyloric dysfunction in infants.
  • Standardized parameters and safety data are needed for wider adoption of FLIP in pediatric gastroparesis.
  • Characterizing infant pyloric distensibility can lead to improved management of feeding intolerance.