门静脉和肠系膜静脉广泛血栓形成是较少见疾病 ,可继发于腹腔感染、胰腺炎、肿瘤侵犯、门脉高压症、腹部外科术 (如脾切除、门 腔分流、肝移植术 )后、血液病等 ,急性病人可因侧支建立不良而发生肠梗死 ,未经及时治疗者死亡率高达 70 %。近年 ,欧美有些作者报道用介入微创技术 Extensive thrombosis of portal and mesenteric veins is a less common disease that can be secondary to abdominal infections, pancreatitis, tumor invasion, portal hypertension, abdominal surgery (eg splenectomy, luminal shunt, liver transplantation), blood Illness, etc. Acute patients may develop intestinal infarction due to poor establishment of collaterals, with a mortality rate as high as 70% without prompt treatment. In recent years, some authors in Europe and the United States have reported using minimally invasive techniques