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Is the ISGPS definition of pancreatic fistula applicable after gastrectomy?
Tomoyuki Wakahara1, Susumu Miura2, Yuki Yasuhara2
1Department of Surgery, Yodogawa Christian Hospital, 1-7-50, Kunijima, Higashi Yodogawa Ku, Osaka, 533-0024, Japan. wakkan@mail.goo.ne.jp.
Background:
Pancreatic fistula is one of the most common and potentially fatal surgical complications after radical gastrectomy. The purpose of this study was to assess the validity of extrapolating the definition of pancreatic fistula by the International Study Group on Pancreatic Surgery to include situations surrounding gastric cancer surgery.
Methods:
The clinicopathological data of 443 patients who underwent elective gastrectomy with suprapancreatic lymph node dissection (D1+, D2, or D2+ dissection) without pancreatic resection were reviewed. The relationship between postoperative pancreas-related complications (PPRC) and laboratory data, including drain fluid amylase levels on postoperative day 1 (dAmy1) and day 3 (dAmy3), were investigated.
Results:
Twenty-four patients (5.4%) developed PPRC of ≥ grade II according to Clavien-Dindo classification. Among them, 15 patients had dAmy3 levels ≥ 375 IU/L, while all 24 patients had dAmy1 levels ≥ 375 IU/L. None of the patients with dAmy1 levels < 375 IU/L developed PPRC. The area under the curve of dAmy1 and dAmy3, calculated by drawing receiver operating characteristic curves, were 0.896 and 0.791, respectively. Univariate and multivariate analyses demonstrated that both dAmy1 and dAmy3 were significant predictors of PPRC; however, dAmy1 (p < 0.001) was more strongly correlated with PPRC than dAmy3 (p = 0.049).
Conclusions:
DAmy1 is more sensitive than dAmy3 as an indicator of pancreatic fistula after gastric cancer surgery.
