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Interloop fluid in intussusception: what is its significance?

Robyn D Gartner1, Terry L Levin, Steven H Borenstein

  • 1Department of Radiology, Children's Hospital of Pennsylvania, Philadelphia, PA, USA.

Pediatric Radiology
|January 19, 2011
PubMed

Insights

Interloop fluid in pediatric intussusception predicts failed pneumatic reduction. Larger fluid dimensions, especially over 9 mm, increase risks of lead points or necrosis.

Area of Science:

  • Pediatric Radiology
  • Gastrointestinal Imaging
  • Surgical Outcomes

Background:

  • Sonography is utilized to predict pneumatic reduction success in pediatric intussusception.
  • Interloop fluid presence is a key sonographic finding.

Purpose of the Study:

  • To evaluate the prognostic value of interloop fluid in predicting reduction outcomes.
  • To determine the association of interloop fluid with lead points or necrosis.

Main Methods:

  • Retrospective review of sonograms from 166 children diagnosed with intussusception.
  • Correlation of interloop fluid presence, maximal dimension, and complexity with pneumatic reduction success and surgical findings.

Main Results:

  • Interloop fluid was present in 36 (21.7%) cases, associated with lower reduction success rates (58.3% vs 87.6%).
  • Fluid dimension ≥9 mm strongly correlated with failed reduction (OR 13:1).
  • Interloop fluid correlated with lead points and necrosis, with significance increasing with fluid volume.

Conclusions:

  • Interloop fluid is a significant sonographic predictor of failed pneumatic reduction in intussusception.
  • Increased fluid dimension, particularly ≥9 mm, indicates a higher risk of complications like lead points or necrosis.
Abstract

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