Covered TIPS versus standard treatment for the prevention of variceal rebleeding in cirrhotic patients with HVPG>20mmHg: a randomized controlled trial

INTERVENTION: TIPS group:TIPS;endoscopy combined with NSBB group:endoscopy combined with NSBB; CONDITION: cirrhosis PRIMARY OUTCOME: Rebleeding rate; SECONDARY OUTCOME: survival rate;Incidence rate of hepatic encephalopathy;Liver function recompensation; INCLUSION CRITERIA: 1. Previous history of gastroesophageal variceal bleeding due to cirrhosis (within 6 weeks); 2. Liver cirrhosis is confirmed by clinical manifestations, laboratory examination, imaging examination or liver biopsy; 3. HVPG measurement before grouping and HVPG>20 mmHg; 4. The preoperative endoscopic appearance of varicose veins was EV or GOV1 type; 5. Those who plan to receive endoscopic gastroesophageal varices treatment+NSBB or TIPS treatment; 6. Aged 18‐75; 7. Patients and their families agree to the preoperative and postoperative reexamination items