Prediction of the Factors Influencing the Shengjing Classification of Portal Vein Thrombosis after Splenectomy for Portal Hypertension in Cirrhosis: A Single-Center Retrospective Case-Control Study
Table 1
Shengjing classification of portal vein thrombosis after splenectomy.
Classification
PS-PVST
Therapies
Observe
Remove gathered
Anticoagulation
Thrombolysis
Intervention
Surgery
I
The thrombus is confined to the splenic vein
Ia
The thrombus is less than 1/2 distal to the splenic vein
✓
✓
Ib
The thrombus extends to 1/2 of the proximal splenic vein
✓
✓
✓
II
The thrombus extends to the portal vein but is not completely blocked
IIa
The range is less than 1/2 of the main portal vein and/or thrombosis of the left or right branch of the portal vein
✓
✓
✓
✓
IIb
The range exceeds 1/2 of the main portal vein, and/or the left or right branch of the portal vein is thrombotic, but not yet completely blocked
✓
✓
✓
✓
III
The thrombus involved the superior mesenteric vein but was not completely obstructed
IIIa
Thrombosis involves the main superior mesenteric vein
✓
✓
✓
✓
✓
IIIb
The thrombus extends to the superior mesenteric vein branch
✓
✓
✓
✓
✓
✓
IV
The portal vein system (main or left or right branches of the portal vein or superior mesenteric vein) is completely blocked
