Splenic Vein Involvement or Pancreatic Portal Hypertension in Acute Pancreatitis: A Retrospective Characteristic Study

This study analyzed the characteristics of acute pancreatitis (AP) complicated by splenic vein involvement, with or without pancreatic portal hypertension (PPH). Methods: A retrospective review was performed on 225 AP cases that met specific inclusion and exclusion criteria. Patients were classified into three groups: the PPH group, the splenic vein nvolvement group (patients with splenic vein inflammation or thrombosis, without PPH), and the normal splenic vein group (patients without splenic vein involvement or PPH). Imaging and clinical features were documented for each group, including pancreatic necrosis, local complications, ascites, splenomegaly, MCTSI, gender, age, smoking and drinking history, prior history of AP, time from onset to CT scanning, and length of hospital stay. Statistical analyses included chi-square tests, analysis of variance, or the Kruskal-Wallis test. Results: The PPH and splenic vein stenosis or thrombosis groups exhibited more pronounced indirect signs, a higher proportion of critically ill patients, and longer hospital stays (all P