Janas et al: Clinical outcomes for 20 cats with congenital extrahepatic portosystemic shunts treated with ameroid constrictor ring attenuation (2002–2020)
Veterinary Surgery 2, 2024

🔍 Key Findings:

• Study design: Retrospective, 20 cats with congenital EHPSS treated with ameroid ring constrictor (ARC).
• Perioperative complication rate: 25% (5/20), including seizures, blindness, ascites, and one death.
• Short-term outcomes (18 cats):
  • Excellent: 14
  • Good: 2
  • Poor: 2
• Long-term outcomes (18 cats):
  • Excellent: 15
  • Good: 1
  • Poor: 2
• Persistent seizures: Noted in some cats despite normal bile acids and CBC/chemistry.
• Preoperative blindness resolved in most cats.
• Mean follow-up duration: Median 8 years.