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The value of drain fluid amylase as a predictor of postoperative pancreatic fistula after pancreaticogastrostomy

Yuan, S | Kim, JH  | Li, GY | Jung, W  | Noh, OK  | Yang, MJ  | Hwang, JC  | Yoo, BM  | Kim, JH | Kim, WH
ANZ journal of surgery, 92(3). : 419-425, 2022
Journal Title
ANZ journal of surgery
BACKGROUND: Drain fluid amylase is commonly used as a predictor of pancreatic fistula after pancreaticoduodenectomy (PD). This study aimed to determine the ideal cut-off value of drain fluid amylase on postoperative day 1 (DFA1) for predicting pancreatic fistula after pancreaticogastrostomy (PG). METHODS: Prospective data of 272 consecutive patients undergoing PG between 2010 and 2020 was collected and analysed to determine the postoperative pancreatic fistula (POPF) risk factors. RESULTS: The incidence of POPF was 143 cases (52.6%). The median DFA1 in patients with POPF was significantly higher than that of patients with NO-POPF (5483 versus 311, P < 0.001). DFA1 correlated with POPF in the area under the curve (AUC) of 0.84 (P < 0.001). When DFA1 was 2300 U/L, Youden index was the highest, with a sensitivity of 72.7% and a specificity of 82.9%. Logistic regression analysis showed that DFA1 >/= 2300 U/L was an independent predictor of POPF (P < 0.001; OR: 12.855; 95% CI: 7.019-23.544). The AUC of DFA1 and clinically relevant postoperative pancreatic fistula (CR-POPF) was 0.674 (P < 0.001). CONCLUSION: DFA1 >/= 2300 U/L can be used as an independent predictor of POPF after PG. DFA1 >/= 3000 U/L can predict the occurrence of CR-POPF, when DFA1 >/= 3000 U/L, the patients should be observed closely active for complications.


Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Surgery
Journal Papers > School of Medicine / Graduate School of Medicine > Radiation Oncology
Journal Papers > School of Medicine / Graduate School of Medicine > Gastroenterology
Ajou Authors
김, 욱환  |  김, 지훈  |  노, 오규  |  양, 민재  |  유, 병무  |  정, 우현  |  황, 재철
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