🔍 Key Findings
- 63 dogs ≥15 kg with single EHPSS were reviewed.
- Most common breeds: Golden Retriever (28.6%), mixed breed (20.6%).
- Most common shunt types: splenocaval (25.4%) and portocaval (25.4%).
- 45 dogs received surgical attenuation; 18 were medically managed.
- 6.7% (3/45) of surgically treated dogs died due to shunt-related complications; 22.2% (4/18) of medically managed dogs died.
- Hypoplastic portal vein was noted in 52.9% of dogs where portal anatomy was described.
- 37.5% of surviving attenuated dogs were weaned off all medical management.
- Attenuated dogs had higher 1-, 2-, and 5-year survival rates (89%, 77%, 77%) than nonattenuated dogs (82%, 49%, 24%).