Abstract: This study evaluated the value of preoperative portal vein CT angiography (CTA) in predicting esophagogastric variceal bleeding in patients with liver cirrhosis. 90 patients with cirrhotic esophagogastric varices bleeding were selected as bleeding group, and 90 cirrhotic patients with esophagogastric varices without bleeding were selected as control group. Compared the preoperative CTA test results of the two groups, which including the diameter of main portal vein (MPV), splenic vein (SPV) and left gastric vein (LGV). The concentrations of serum total bilirubin (TBIL), serum alkaline phosphatase (ALP) and prothrombin activity (PTA) were compared between the two groups. Analyzed the statistically significant indexes which was valuable in predicting gastric variceal bleeding. The measured values of MPV diameter, SPV diameter and LGV diameter in the bleeding group were significantly higher than those in the control group(P<0.05). The AUC values of MPV diameter, SPV diameter and LGV diameter for predicting bleeding were 0.800, 0.660 and 0.743, respectively. There was no significant difference in TBIL and ALP between bleeding group and control group (P>0.05). The PTA in bleeding group was higher than that in control group, and the difference was statistically significant (P<0.05). Logistic regression model analysis showed that the increase of MPV diameter, SPV diameter, LGV diameter and PTA were the risks of esophagogastric variceal bleeding (P<0.05). Preoperative CTA examination of the diameters of MPV, SPV and LGV is of high value in predicting esophagogastric variceal bleeding in patients with liver cirrhosis, and the three parameters are closely related to esophagogastric variceal bleeding.

Key words: portal vein, CT angiography, liver cirrhosis, esophagogastric varices, hemorrhage