Etiology of Portal Hypertension in Children:A Single Center's Experiences

Mohammad Hadi Imanieh1, Seyed Mohsen Dehghani2, Maryam Khoshkhui3

  • 1Professor, Gastroenterohepatology Research Center, Nemazee Teaching Hospital, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.

Insights

Intrahepatic diseases are the primary cause of portal hypertension in children, accounting for 93.3% of cases. Extra-hepatic causes like portal vein thrombosis were less common in this pediatric study.

Area of Science:

  • Pediatric Gastroenterology
  • Hepatology
  • Vascular Medicine

Background:

  • Portal hypertension arises from conditions impairing portal system blood flow.
  • Identifying the etiology is crucial for effective management.
  • Previous research suggested extra-hepatic disorders as the leading cause in children.

Purpose of the Study:

  • To investigate the underlying causes of portal hypertension in pediatric patients.
  • To determine the prevalence of intrahepatic versus extra-hepatic causes in children with portal hypertension.

Main Methods:

  • Prospective, descriptive study of 45 children with portal hypertension (2005-2007).
  • Diagnostic tools included liver biopsy, abdominal sonography, CT scan, and liver Doppler sonography.
  • Etiology was determined through these investigations.

Main Results:

  • Intrahepatic diseases were identified as the cause in 42 out of 45 patients (93.3%).
  • Extra-hepatic portal hypertension, specifically portal vein thrombosis, was found in 3 patients (6.7%).

Conclusions:

  • Intrahepatic diseases represent the most frequent etiology of portal hypertension in the studied pediatric cohort.
  • Findings contrast with previous reports emphasizing extra-hepatic causes.
Abstract

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