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Objective To investigate the effect of cyclooxygenase-2 (COX-2) inhibitor parecoxib on systemic inflammatory response syndrome (SIRS) in patients with acute pancreatitis (AP). Methods A retrospective analysis was performed on 206 AP patients who were treated in Shanxi Norman Bethune Hospital from April 2021 to April 2022. The patients treated with COX-2 inhibitors were assigned to group A (n=100), and the patients treated with other analgesics were assigned to group B (n=106). The patients with SIRS at admission in group A and B were divided into A1 group (n=48) and B1 group (n=49), and those without SIRS were divided into A2 group (n=52) and B2 group (n=57). The incidence of SIRS in each group was compared, including SIRS duration and rating. The organ failure score (Sequential Organ Failure Assessment, SOFA) and serum CRP level on the 4th day of hospitalization, as well as the length of hospitalization, cost, and incidence of complications between group A and group B were compared. Multivariate logistic regression analysis of risk factors for SIRS in patients who did not experience SIRS at admission. Results Compared with those in group B1, the proportion of patients with SIRS duration< 3 days in group A1 increased, and the proportion of patients with SIRS duration≥ 3 days decreased in group A1（P＜0.05＝. On the 4th day, SIRS score in group A1 was statistically lower than that in group B1 (P＜0.01＝, and there was no statistical difference in it between two groups on the 8th day (P＞0.05). The incidence of SIRS in group A2 was significantly lower than that in group B2 (32.65% vs 52.63%, χ=5.328, P=0.021). In group A, the organ failure assessment score and the serum CRP were statistically lower than those in group B on the 4th day (P＜0.05）, and the hospital stay and the hospitalization costs were significantly lower than those in group B (P＜0.05＝. Multivariable logistic regression of patients without SIRS at admission showed that COX-2 inhibitor was a protective factor associated with the occurrence of SIRS (P＜0.05). Conclusion For patients with AP, COX-2 inhibitor pareoxib can reduce the incidence of SIRS, which is closely related to the improvement of SIRS and organ failure, but has no significant difference with the analgesic effect of opioids. It can reduce serum CRP and has good cost-effectiveness. COX-2 inhibitor parecoxib is an independent protective factor for the occurrence of SIRS.

To analyze the influence of diabetes mellitus on the clinical outcomes of moderately severe acute pancreatitis (MSAP) and severe acute pancreatitis (SAP). Methods: This retrospective study included patients diagnosed with MSAP and SAP at Shanxi Bethune Hospital from January 1, 2017, to December 31, 2021. Clinical data were collected, including patient demographics, 24-hour laboratory indicators, and inflammation indices. Propensity score matching (PSM) was used to compare outcomes before and after matching. Patients were randomized into training and validation sets (7:3) to develop and validate a clinical prediction model for infected pancreatic necrosis (IPN). Results: Among 421 patients, 79 had diabetes at admission. Before PSM, diabetic patients had higher incidences of peripancreatic fluid (71% vs 47%, p< 0.001) and IPN (48% vs 10%, p< 0.001), higher surgical intervention rates (24% vs 12%, p=0.008), and significant differences in abdominocentesis (22% vs 11%, p=0.014). After PSM, 174 patients were matched, and the diabetes group still showed higher incidences of peripancreatic fluid (69% vs 47%, p=0.008), IPN (48% vs 11%, p< 0.001), and surgical intervention rates (27% vs 13%, p=0.037). Diabetes, modified CT severity index (MCTSI), serum calcium, and HDL-c were identified as independent risk factors for IPN. The prediction model demonstrated good predictive value. Conclusion: In MSAP and SAP patients, diabetes mellitus can exert an influence on their clinical outcome and is an independent risk factor for IPN. The alignment diagram and web calculator constructed on the basis of diabetes mellitus, modified CT severity index (MCTSI), serum calcium and high-density lipoprotein cholesterol (HDL-c) have good predictive value and clinical guidance for the occurrence of IPN in MSAP and SAP. [ABSTRACT FROM AUTHOR]