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Related Concept Videos

Hepatic Portal System01:21

Hepatic Portal System

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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.
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Esophageal Varices-I: Introduction01:24

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Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
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Fetal Circulation01:14

Fetal Circulation

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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.
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Updated: May 10, 2025

Technique of Porcine Liver Procurement and Orthotopic Transplantation using an Active Porto-Caval Shunt
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Intrahepatic Congenital Portosystemic Shunts.

Genna F Atiee1, Audrey K Cook1

  • 1Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, MS 4474, College Station, TX 77843-4474, USA.

The Veterinary Clinics of North America. Small Animal Practice
|April 24, 2025
PubMed
Summary
This summary is machine-generated.

Congenital portosystemic shunts (PSS) impact patient health, but shunt attenuation surgery improves outcomes. Minimally invasive treatments for intrahepatic PSSs show high success rates and improved liver function.

Keywords:
Congenital portosystemic shuntIntrahepaticPercutaneous transvenous coil embolization

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Area of Science:

  • Hepatology
  • Vascular Surgery
  • Pediatric Gastroenterology

Background:

  • Single congenital portosystemic shunts (PSS) are associated with failure to thrive and hepatic encephalopathy.
  • While medical management can alleviate symptoms, surgical intervention is key for long-term improvement.
  • Intrahepatic PSSs present distinct clinical and therapeutic challenges compared to extrahepatic shunts.

Purpose of the Study:

  • To review the outcomes of minimally invasive intravascular approaches for treating intrahepatic portosystemic shunts (IHPSSs).
  • To highlight the efficacy of percutaneous transvenous coil embolization in managing IHPSSs.
  • To assess the impact of shunt attenuation on liver function and patient well-being.

Main Methods:

  • Review of minimally invasive intravascular techniques for IHPSS treatment.
  • Focus on percutaneous transvenous coil embolization as a primary therapeutic modality.
  • Analysis of patient outcomes, including clinical improvement and perioperative mortality.

Main Results:

  • Minimally invasive intravascular approaches are generally recommended for IHPSSs, with exceptions for certain cases like patent ductus venosus.
  • Percutaneous transvenous coil embolization demonstrates favorable outcomes.
  • Clinical improvement is reported in over 80% of treated patients, with low perioperative mortality rates.

Conclusions:

  • Shunt attenuation significantly improves long-term outcomes and liver function in patients with congenital portosystemic shunts.
  • Percutaneous transvenous coil embolization is an effective and safe treatment for intrahepatic portosystemic shunts.
  • Minimally invasive techniques offer a promising therapeutic strategy for managing complex congenital portosystemic shunts.