Endoscopic treatment group:Endoscopic ligation or tissue gel injection

The clinical study comparing the effectiveness and safety of transjugular intrahepatic portosystemic shunts with endoscopic treatment for the prevention of esophagogastric variceal bleeding in porto-sinusoidal vascular disorder combined with esophagogastric varices bleeding

The clinical study comparing the effectiveness and safety of transmesenteric vein extrahepatic portosystemic shunt (TEPS) with endoscopic treatment for the prevention of esophagogastric variceal bleeding in portal vein thrombosis and cavernous transformation