Zheng (2008) released a meta-analysis study with the result showed the rate of recurrent bleeding undergone TIPS was significant lower than endoscopy ligation (19% vs 43.8%), the incidence of hepatic encephalopathy was higher than endoscopy (33.6% vs 19, 4%) and TIPS placement had higher mortality rate but no significant difference (25.2% vs 22.1%, OR=1.17, p=0.33).