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Portal hypertension in children
Chiara Grimaldi1, Jean de Ville de Goyet, Valerio Nobili
1Department of Paediatric Surgery and Transplantation Center, Bambino Gesù Childrens Hospital, Roma, Italy.
Clinics and Research in Hepatology and Gastroenterology
|April 24, 2012
Summary
Intrahepatic portal hypertension in children often stems from cirrhosis or congenital hepatic fibrosis. For non-cirrhotic cases, extrahepatic portal vein obstruction is common, with meso-Rex bypass being a key treatment option.
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Vascular Surgery
Background:
- Intrahepatic portal hypertension in children is primarily caused by cirrhosis and congenital hepatic fibrosis.
- Non-cirrhotic portal hypertension frequently results from extrahepatic portal vein obstruction.
- In 50% of pediatric portal hypertension cases, no specific underlying disorder is identified.
Purpose of the Study:
- To review the causes, treatment, and risk factors associated with pediatric portal hypertension.
- To highlight the role of meso-Rex bypass in managing extrahepatic portal vein obstruction.
- To correlate the location of portal vein obstruction with the risk of esophagogastric varices.
Main Methods:
- Literature review of pediatric portal hypertension.
- Analysis of treatment outcomes for meso-Rex bypass.
- Correlation study between obstruction site and variceal development.
Main Results:
- Cirrhosis and congenital hepatic fibrosis are leading causes of intrahepatic portal hypertension.
- Extrahepatic portal vein obstruction is the predominant cause of non-cirrhotic portal hypertension.
- Meso-Rex bypass is the preferred surgical intervention when feasible.
- Obstruction proximity to the portal vein correlates with increased risk of esophagogastric varices.
Conclusions:
- Understanding the etiology of pediatric portal hypertension is crucial for appropriate management.
- Surgical intervention, like meso-Rex bypass, offers a viable treatment for specific types of portal hypertension.
- Early identification and management of portal vein obstruction can mitigate the risk of severe complications such as varices.
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