Table 6.
Risk stratification for predicting post-closure symptomatic portal hypertension.
| Risk level | CPSS | Visibility of portal vein | Cardiac disease |
|---|---|---|---|
| Very low | Isolated intrahepatic CPSS or patent ductus venosus | Visible main portal vein and/or intrahepatic portal veins | No cardiac disease |
| Low | Isolated CPSS | Main portal vein visible only on occlusion test | No cardiac disease |
| Intermediate | Syndromic CPSS | Main portal vein visible or not only on occlusion test | No cardiac disease |
| High | CPSS | Main portal vein visible or not only on occlusion test | Congenital or acquired heart disease with high cardiac pressure |
CPSS, congenital portosystemic shunts.