Liver Shunt in Dogs and Cats

Portosystemic Shunt

The portal vein is an important blood vessel which enters the liver and allows toxic elements in the blood to be processed. When portal vein is not properly connected, blood normally detoxified by the liver will bypass it and go directly into circulation. 


  • Lack of muscle growth
  • Seizures
  • Increased thirst and urination  
  • Blood in stool/urine


Can be caused by a birth defect called a congenital portosystemic shunt. As well as a liver disease called cirrhosis.


Surgery is recommended.                                                                                  

This condition is common in the following Dogs & Cats

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