• Department of Pancreatic Surgery, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
LIU Xubao, Email: xbliu@medmail.com.cn
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Objective To analyze risk factors of intraoperative massive hemorrhage in patients with pancreatitis-induced sinistral portal hypertension (SPH) and to explore its strategies of treatment.Methods The clinical data of patients with pancreatitis-induced SPH admitted to the West China Hospital of Sichuan University from January 2015 to March 2018 were retrospectively analyzed. The intraoperative massive hemorrhage was defined as the blood loss exceeding 30% blood volume. The factors closely associated with the intraoperative massive hemorrhage were analyzed by the forward logistic regression model.Results A total of 128 patients with pancreatitis-induced SPH were enrolled in this study, including 104 males and 24 females, with an average age of 47 years old and a median intraoperative bleeding volume of 482 mL. Among them, 93 patients with pancreatitis-induced SPH caused by the pancreatic pseudocyst after acute pancreatitis and 35 caused by the chronic pancreatitis. There were 36 patients with history of upper gastrointestinal bleeding and 46 patients with hypersplenism. Thirty-six patients suffered from the massive hemorrhage. Among them, 30 patients underwent the distal pancreatectomy concomitant with splenectomy, 1 patient underwent the duodenum- preserving resection of pancreatic head, and 5 patients underwent the pseudocyst drainage. The univariate analysis showed that the occurrence of intraoperative massive hemorrhage in the patients with pancreatitis-induced SPH was not associated with the gender, age, body mass index, albumin level, upper gastrointestinal bleeding, hypersplenism, type of pancreatitis, course of pancreatitis, number of attacks of pancreatitis, size of spleen, maximum diameter of lesions in the splenic vein obstruction site, or number of operation (P>0.05), which was associated with the diameter of varicose vein more than 5.0 mm (χ2=19.83, P<0.01), the intraperitoneal varices regions (χ2=13.67, P<0.01), the location of splenic vein obstruction (χ2=5.17, P=0.03), the operation time (t=–3.10, P<0.01), or the splenectomy (χ2=17.46, P<0.01). Further the logistic regression analysis showed that the varicose vein diameter more than 5.0 mm (OR=6.356, P=0.002) and splenectomy (OR=4.297, P=0.005) were the independent risk factors for the intraoperative massive hemorrhage in the patients with pancreatitis-induced SPH.Conclusions Splenectomy and having a collateral vein more than 5.0 mm in diameter are independent risk factors for intraoperative massive blood loss in surgeries taken on patients with pancreatitis-induced SPH. Attention should be paid to dilation of gastric varices and choice of splenectomy.

Citation: SONG Haiyu, TAN Qingquan, CHEN Yonghua, WANG Xing, TAN Chunlu, LIU Xubao. Risk factors for intraoperative massive hemorrhage in patients with pancreatitis-induced sinistral portal hypertension. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2019, 26(5): 557-562. doi: 10.7507/1007-9424.201812025 Copy

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