JAK2 and essential thrombocythemia: This study retrospectively analyzed the condition of 23 patients with noncirrhotic acute PVT who received TIPS combined with AngioJet thrombectomy from January 2014 to March 2017, including essential thrombocythemia in 6/23 (26.1%), protein S insufficiency 4/23 (17.4%), oral contraceptives 3/23 (13.0%), JAK2 mutation 3/23 (13.0%), antiphospholipid syndrome 2/23 (8.7%) cases whilst 5/23 (21.7%) cases reported acute PVT without further specification.