Intestinal imaging of children with acute rotavirus gastroenteritis

Dorsey Bass1, Eileen Cordoba, Cornelia Dekker

  • 1Department of Pediatrics, Stanford University, Stanford, California 94305, USA. dorseybass@hotmail.com

Insights

Abdominal ultrasound detected increased ileal wall thickness in infants with rotavirus gastroenteritis. This finding may indicate inflammation and could aid in evaluating rotavirus vaccines.

Area of Science:

  • Pediatric Gastroenterology
  • Medical Imaging
  • Infectious Diseases

Background:

  • Rotavirus gastroenteritis is a common pediatric illness.
  • Assessing gastrointestinal inflammation in infants non-invasively is challenging.

Purpose of the Study:

  • To evaluate distal small bowel morphology and motility in infants with rotavirus gastroenteritis.
  • To utilize non-invasive, non-ionizing imaging techniques for assessment.

Main Methods:

  • Prospective observational study of five infants with symptomatic rotavirus infection.
  • Real-time magnetic resonance imaging (MRI) and ultrasound were performed during acute illness and convalescence (5-9 weeks later).

Main Results:

  • Three of five infants showed increased ileal wall thickness on ultrasound during acute infection compared to convalescence.
  • Mesenteric lymph node size and peristaltic activity (assessed by MRI) remained similar between phases.

Conclusions:

  • Abdominal ultrasound can identify ileal wall thickening in infants with rotavirus infection, suggesting potential ileal inflammation.
  • These imaging findings may be valuable for assessing morphologic responses to rotavirus vaccines.
Abstract

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