Portosystemic Shunt is one of the most frequently diagnosed conditions in the breed within the Maltese. Common indicators include stunted growth, neurological signs after eating (circling, head pressing), and seizures. A portosystemic shunt (PSS) is an abnormal blood vessel that allows blood from the gastrointestinal tract to bypass the liver, preventing detoxification. Toxins accumulate in the bloodstream causing hepatic encephalopathy. Congenital shunts are hereditary. It typically becomes apparent at Under 2 years (congenital). In smaller breeds like the Maltese, early detection and prompt treatment generally lead to better long-term outcomes. This condition has a hereditary component — prospective owners should request documentation of health screening from the breeder. Treatment costs are estimated at £3,000-£7,000, making comprehensive pet insurance a practical consideration.
If your Maltese is showing any of these signs, consult your veterinarian promptly.
Surgical closure or attenuation of the shunt using an ameroid constrictor or cellophane band is the definitive treatment. Medical management with lactulose, antibiotics, and protein-modified diet is used pre-operatively and in non-surgical cases.
Estimated Treatment Cost
£3,000-£7,000
Costs vary by severity, location, and treatment path. Pet insurance is strongly recommended.
A diet formulation designed to support Malteses managing Portosystemic Shunt. Formulated with high-quality protein and easily digestible ingredients.
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Malteses with Portosystemic Shunt benefit from consistent supplementation. This vet-formulated blend supports overall wellbeing and may complement prescribed treatment.
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Prevalence and severity can vary significantly between breeds.