Clinical features of congenital portosystemic shunt in children

Myung Jin Kim1, Jae Sung Ko, Jeong Kee Seo

  • 1Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea.

Insights

Congenital portosystemic shunts (CPSS) in children can resolve spontaneously, particularly intrahepatic types. Transcatheter embolization offers an effective treatment for symptomatic cases, improving outcomes.

Area of Science:

  • Pediatric Gastroenterology
  • Vascular Surgery
  • Medical Imaging

Background:

  • Congenital portosystemic shunts (CPSS) are rare vascular anomalies.
  • CPSS can lead to significant complications in children, including metabolic disorders and cardiovascular issues.

Purpose of the Study:

  • To review the clinical features, diagnosis, management, and outcomes of children with CPSS.
  • To evaluate the efficacy of spontaneous closure and transcatheter embolization for intrahepatic shunts.

Main Methods:

  • Retrospective review of 10 pediatric cases with CPSS.
  • Analysis of clinical data, imaging, complications, and treatment strategies.
  • Assessment of diagnostic methods including prenatal ultrasonography.

Main Results:

  • Nine intrahepatic and one extrahepatic shunt identified.
  • Prenatal diagnosis in four infants; associated conditions included galactosemia and neurodevelopmental disorders.
  • Pulmonary hypertension observed in two patients.
  • Four intrahepatic shunts closed spontaneously; four symptomatic intrahepatic shunts treated successfully with transcatheter embolization.

Conclusions:

  • Intrahepatic congenital portosystemic shunts have the potential for spontaneous closure.
  • Transcatheter embolization is a viable and effective treatment for symptomatic intrahepatic shunts.
Abstract

Related Concept Videos

Portal Hypertension01:22

Portal Hypertension

Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...
Hepatic Encephalopathy01:29

Hepatic Encephalopathy

DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
Hepatic Portal System01:21

Hepatic Portal System

The hepatic portal system, a critical part of our circulatory framework, transports nutrient-laden, deoxygenated blood from the gastrointestinal tract and spleen to the liver. This ingenious system plays an indispensable role in maintaining our body's metabolic equilibrium.
At its core, the hepatic portal vein is the result of a confluence of the superior and inferior mesenteric veins along with the splenic vein. Each of these veins has a unique role. The superior mesenteric vein is responsible...
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
Fetal Circulation01:14

Fetal Circulation

Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...