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Accuracy analysis of amylase, C-reactive protein and procalcitonin in abdominal cavity of postoperative gastric cancer in predicting the occurrence of clinically related pancreatic fistula / 国际外科学杂志
International Journal of Surgery ; (12): 333-337,C2, 2022.
Article in Chinese | WPRIM | ID: wpr-930019
ABSTRACT

Objective:

To evaluate the relationship between abdominal amylase, C-reactive protein (CRP), procalcitonin (PCT) and clinically relevant pancreatic fistula in the early stage after radical gastrectomy for gastric cancer, and to explore whether they can be used as early predictors of pancreatic fistula and their accuracy, in order to help identify pancreatic fistula in the early stage after gastrectomy.

Methods:

The clinical data of 372 patients diagnosed as gastric cancer and underwent gastrectomy in Shouguang People′s Hospital from January 2017 to December 2021 were retrospectively analyzed, including 190 males and 182 femals, aged from 28 to 32 years old, with the average years of 63.5±10.6. The receiver operating characteristic (ROC) curves of abdominal amylase on the first day and serum CRP and procalcitonin on the third day after surgery for gastric cancer were analyzed. The ROC curve was used to determine the optimal cutoff value and the sensitivity, specificity, positive and negative predictions, and accuracy of the optimal cutoff value were calculated. Single factor and multivariate analysis were used to analyze the risk factors of pancreatic fistula after gastric cancer surgery. SPSS 25.0 software was used for statistical analysis.

Results:

The incidence of clinically relevant pancreatic fistula after surgery for gastric cancer was 5.37%(20/372), including 18 cases of grade B pancreatic fistula and 2 cases of grade C pancreatic fistula. The critical values of amylase on the first postoperative day of clinically relevant pancreatic fistula after surgery for gastric cancer are predicted to be 2036 U/L, serum CRP 18 mg/dL, and procalcitonin 0.85 μg/L. In univariate analysis, body mass index, abdominal amylase concentration on the 1st postoperative day, serum CRP and procalcitonin on the 3rd postoperative day were the influencing factors for the occurance of pancreatic fistula after gastric cancer surgery. Multivariate Logistic regression analysis showed that body mass index>25 kg/m 2, abdominal amylase >2036 U/L on the first postoperative day and serum CRP>18 mg/dL on the third postoperative day were the independent predictors for pancreatic fistula. The sensitivity and specificity of the combination of intraperitoneal amylase on the first day and serum CRP on the third day after surgery for gastric cancer in predicting the occurrence of clinically relevant pancreatic fistula were 87.6% and 90.4%, respectively.

Conclusions:

The combination of amylase in abdominal cavity on the 1st day and CRP on the 3rd day after radical gastrectomy has high sensitivity and specificity in predicting clinically related pancreatic fistula. PCT on the 3rd day after gastric cancer surgery has limited accuracy in predicting clinically related pancreatic fistula, so it is not recommended as an early prediction index of pancreatic fistula after gastric cancer surgery.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study / Risk factors Language: Chinese Journal: International Journal of Surgery Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study / Risk factors Language: Chinese Journal: International Journal of Surgery Year: 2022 Type: Article