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find Author "ZHUXiao-liang" 2 results
  • Acute Pancreatitis Leads to The Reduction of Nitric Oxide Synthase and Vasoactive Intestinal Peptide-Positive Neurons in Rabbit Sphincter of Oddi

    ObjectiveTo investigate the relationship between the changes of nerve cells in sphincter of Oddi and acute pancreatitis. MethodsThe rabbit models of acute pancreatitis were prepared by using sodium taurocholate perfusion. Immunohistochemical method was used to detect the expressions of nitric oxide synthase (NOS) and vasoactive intestinal peptide (VIP) in neurons of the sphincter of Oddi. ResultsIn the control group, (45.83±2.17)% of myenteric neurons were NOS-positive, (52.46±2.47)% of myenteric neurons were VIP positive, and (22.73±1.95)% of myenteric neurons were NOS and VIP double positive. In contrast, (11.26±0.93)% of myenteric neurons were NOS-positive and (28.62±2.83)% of myenteric neurons were VIP positive in SAP group, which were significantly less than those of control group (P < 0.01). ConclusionsThe sphincter of Oddi of normal rabbits is rich in VIP and NOS positive neurons. The significant reduction of NOS-positive and VIP-positive neurons when SAP, which may be the reason of decreased the activities of the sphincter of Oddi.

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  • Influence Factors of Pancreatic Cancer: Analysis of 71 Cases

    ObjectiveTo explore the prognostic factors of pancreatic cancer. MethodsClinical data of 71 patients of pancreatic cancer who treated in The First Hospital of Lanzhou University from January 2010 to December 2014 were retrospectively collected to analyze the prognostic factors of pancreatic cancer. ResultsSixty patients of the 71 patients were followed up for 5-36 months, with the median time of 16 months, and the 1, 2, and 3-year cumulative survival rates were 60.6%, 23.9%, and 1.4% respectively. Univariate analysis results showed that, gender (P=0.043), lymph node metastasis (P=0.002), distant metastasis (P=0.000), TNM staging (P=0.000), and peripancreatic invasion (P=0.000) were correlated with the prognosis of pancreatic cancer, that female patients, patients with the presence of lymph node metastasis, distant metastasis, later TNM staging, and peripancreatic invasion had worse prognosis. Cox proportional hazard model results showed that, distant metastasis (P=0.047), TNM staging (P=0.002), and peripancreatic invasion (P=0.016) were prognostic factors of pancreatic cancer, patients with the presence of distant metastasis, later TNM staging, and peripancreatic invasion had poor prognosis. ConclusionDistant metastasis, TNM staging, and peripancreatic invasion were independent prognostic factors of pancreatic cancer.

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