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Portosystemic Shunt
Abnormal blood vessel bypassing the liver, allowing toxins to accumulate in the body.
Key Facts
- 80% of cases are congenital (present at birth)
- Signs: stunted growth, seizures, disorientation, head pressing
- Common breeds: Yorkshire terrier, Maltese, miniature schnauzer, Persian
- Bile acids test elevated after meals is key diagnostic
- Surgical repair success rate approximately 85%
- Medical management: lactulose, antibiotics, dietary changes
- Affected pets should never be bred