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Predicting therapeutic efficacy of oral rehydration salts in children with vasovagal syncope

Xiaojuan Du1, Chunyan Tao1, Xueying Li2

  • 1Department of Pediatrics, Peking University First Hospital, Beijing, China.

Frontiers in Pediatrics
|May 1, 2023
PubMed

Insights

A simple model using baseline hematocrit and body mass index (BMI) can predict the effectiveness of oral rehydration salts (ORS) in children with vasovagal syncope (VVS). This aids in tailoring treatment for better outcomes.

Area of Science:

  • Pediatrics
  • Cardiology
  • Clinical Prediction Models

Background:

  • Vasovagal syncope (VVS) is common in children, and oral rehydration salts (ORS) are used for treatment.
  • Predicting the efficacy of ORS therapy in pediatric VVS patients is crucial for optimizing management.
  • Current methods for predicting ORS efficacy in VVS are limited.

Purpose of the Study:

  • To develop and validate an easy-to-perform and inexpensive predictive measure for ORS efficacy in children with VVS.
  • To identify baseline clinical parameters associated with a positive response to ORS treatment.
  • To create a predictive model for ORS treatment outcomes in pediatric VVS.

Main Methods:

  • A cohort of 97 children diagnosed with VVS and treated with ORS was analyzed.
  • Baseline demographic, hemodynamic, and red blood cell parameters were collected.
  • Logistic regression was used to build a predictive model, validated with ROC curves and calibration tests.

Main Results:

  • Higher baseline red blood cell count, hemoglobin, and hematocrit were observed in children who responded effectively to ORS.
  • A predictive model incorporating baseline hematocrit and BMI demonstrated an area under the curve of 0.77 (p < 0.01).
  • The model achieved 67.4% sensitivity and 80.9% specificity with optimal cut-off, showing good fitness and internal validation.

Conclusions:

  • Baseline hematocrit and BMI are significant predictors of ORS therapeutic efficacy in children with VVS.
  • The developed predictive model offers a reliable and accessible tool for assessing potential ORS treatment response.
  • This model can assist clinicians in personalizing VVS management strategies for pediatric patients.
Abstract

Keywords:
body mass indexhematocritnomogramoral rehydration saltspredictive modelvasovagal syncope

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