Splenic stiffness does not predict esophageal varices in children with portal hypertension

Margaux Jezequel1,2, Mohamed El Fayoumi3, Madeleine Aumar1

  • 1Department of Pediatric Gastroenterology Hepatology and Nutrition CHU Lille, Univ. Lille, Inserm U1286 - INFINITE - Institute for Translational Research in Inflammation, Lille, France.

Insights

Splenic stiffness measurement (SSM) is unreliable for predicting pediatric esophageal varices. Liver stiffness measurement (LSM) and a clinical prediction rule (CPR) offer more robust and consistent prediction across patient groups.

Area of Science:

  • Pediatric Gastroenterology
  • Medical Imaging
  • Hepatology

Background:

  • Pediatric esophageal varices are a serious complication of portal hypertension.
  • Accurate non-invasive prediction of esophageal varices is crucial for timely management.
  • Ultrasound parameters, including splenic stiffness, have been explored as potential predictors.

Purpose of the Study:

  • To evaluate ultrasound parameters, specifically splenic stiffness measurement (SSM), as predictors of pediatric esophageal varices.
  • To compare the predictive performance of SSM against liver stiffness measurement (LSM) and a clinical prediction rule (CPR).

Main Methods:

  • A cohort study including children aged 0-19 years undergoing esophagogastroduodenoscopy and abdominopelvic ultrasound with splenic elastography.
  • Splenic stiffness measurement (SSM), liver stiffness measurement (LSM), and biological parameters (platelets, albumin) were recorded.
  • Receiver-operating characteristic (ROC) analysis was used to assess the predictive performance of each parameter.

Main Results:

  • In the derivation cohort, SSM showed high predictive value (AUC 0.83), but this was not replicated in the validation cohort (sensitivity 0.26).
  • Liver stiffness measurement (LSM) and the clinical prediction rule (CPR) demonstrated consistent, albeit lower, predictive values across both cohorts (AUCs ranging from 0.64 to 0.78).
  • Splenic stiffness measurement (SSM) alone was found to be an unreliable predictor of pediatric esophageal varices in independent validation.

Conclusions:

  • Splenic stiffness measurement (SSM) is not a reliable standalone predictor for pediatric esophageal varices.
  • Liver stiffness measurement (LSM) and clinical prediction rules (CPR) offer more robust and consistent predictive capabilities for esophageal varices in children.
  • Further research may focus on refining CPRs incorporating LSM for improved non-invasive screening.
Abstract

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