Persistent Vomiting Among Children With Acute Gastroenteritis: A Secondary Analysis of a Randomized Clinical - Summary - MDSpire

Persistent Vomiting Among Children With Acute Gastroenteritis: A Secondary Analysis of a Randomized Clinical

  • By

  • Madeleine Sumner

  • Jianling Xie

  • Sarah Williamson-Urquhart

  • Amy C. Plint

  • Andrew Dixon

  • Darcy Beer

  • Gary Joubert

  • Yaron Finkelstein

  • Petros Pechlivanoglou

  • Terry Klassen

  • Stephen B. Freedman

  • on behalf of Pediatric Emergency Research Canada (PERC)

  • May 6, 2026

  • 0 min

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Objective:

To identify independent risk factors for ongoing vomiting in pediatric patients after ED discharge and to derive a predictive score for postdischarge outcomes, specifically targeting unscheduled healthcare visits and intravenous fluid needs.

Key Findings:
  • Frequent vomiting (more than 5 times in 24 hours) is a strong predictor of moderate to severe disease, highlighting the need for effective management.
  • Ondansetron therapy significantly reduces vomiting and the need for intravenous fluids, demonstrating its clinical utility.
  • 70% of children with significant vomiting at ED presentation do not vomit after discharge, indicating a potential for targeted intervention.
Interpretation:

Identifying children at risk for ongoing vomiting can optimize ondansetron use, potentially reducing unnecessary healthcare visits and improving patient outcomes.

Limitations:
  • Secondary analysis not prespecified in the original trial protocol, which may limit the generalizability of the findings.
  • Potential biases in self-reported data from caregivers could affect the accuracy of the outcomes reported.
Conclusion:

The study highlights the importance of identifying risk factors for ongoing vomiting in pediatric gastroenteritis to improve postdischarge care.

Original Source(s)

Persistent Vomiting Among Children With Acute Gastroenteritis: A Secondary Analysis of a Randomized Clinical

  • by Madeleine Sumner, Jianling Xie, Sarah Williamson-Urquhart, Amy C. Plint, Andrew Dixon, Darcy Beer, Gary Joubert, Yaron Finkelstein, Petros Pechlivanoglou, Terry Klassen, Stephen B. Freedman, on behalf of Pediatric Emergency Research Canada (PERC)

  • May 6, 2026

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