4.7 Article

Incidence and risk factors for postoperative pancreatic fistula in 2089 patients treated by radical gastrectomy: A prospective multicenter cohort study in China

Journal

INTERNATIONAL JOURNAL OF SURGERY
Volume 98, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.ijsu.2021.106219

Keywords

Gastric cancer; Radical gastrectomy; Postoperative pancreatic fistula

Categories

Funding

  1. National Nature Science Foundation of China [82172803]
  2. Project of Shanghai Municipal Science and Technology Commission [16DZ1930600]
  3. Clinical Research Project of Zhongshan Hospital [2020ZSLC 15]

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The study aims to determine the incidence of clinically relevant postoperative pancreatic fistula (CR-POPF) and identify independent risk factors. Analysis of 2089 cases found that LigaSure usage and pTNM III were independent risk factors of CR-POPF. Surgery procedure, LigaSure usage, and measuring D-AMY on postoperative day 3 showed potential for early identification of CR-POPF.
Objective: To determine the incidence of clinically relevant postoperative pancreatic fistula (CR-POPF) following radical gastrectomy and to identify independent risk factors of CR-POPF. Background: CR-POPF and its sequelae are potential complications following radical gastrectomy. The reported incidence of CR-POPF was quite different across various regions, and no consensus was reached. Methods: Between December 2017 to November 2018, patients who underwent radical gastrectomy from 22 centers across 13 regions in China were prospectively recruited. The primary endpoint was the occurrence of CR-POPF, defined by the International Study Group of Pancreatic Fistula (ISGPF) in 2016. Clinically relevant change and short-term outcomes were recorded to diagnose and grade the POPF. Multivariate regression analyses were performed to identify independent risk factors of clinically relevant postoperative pancreatic fistula (CR-POPF). Results: A total of 2089 cases were analyzed. The incidence of biochemical leakage (BL) and CR-POPF were 19.6% and 1.1% respectively. All CR-POPF patients recovered well after appropriate treatment and no Grade C POPF were recorded. Logistic regression analysis showed pTNM III (OR, 2.940; 95% CI 1.180-7.325; P = 0.021) and LigaSure usage (OR, 6.618; 95% CI 1.847-23.707; P = 0.004) were independent risk factors of CR-POPF. LigaSure usage (OR, 4.817; 95% CI 1.184-19.598; P = 0.028), the drain amylase content (D-AMY) on postoperative day 3 (POD3) =5 times the upper limit of normal amylase (OR, 3.476; 95% CI 1.240-9.744; P = 0.018) and open surgery (OR, 2.463; 95% CI 1.003-6.050; P = 0.049) were independent predictors for identifying CR-POPF from BL. Conclusion: In rich-experienced gastric cancer centers, there is high prevalence of BL secondary to radical gastrectomy without clinical impact. Fewer patients suffered Grade B POPF, and Grade C POPF was less common. The patients with pTNM III or LigaSure usage were prone to suffer CR-POPF. Surgery procedure, LigaSure usage combined with D-AMY measurement on POD3 are promising for early identification of CR-POPF.

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