Predictive value of drain amylase content for peripancreatic inflammatory fluid collections after laparoscopic (assisted) distal gastrectomy

Abstract

Laparoscopic (assisted) distal gastrectomy (LDG) with radical lymphadenectomy for gastric cancer has been widely conducted, particularly in the Far East. Peripancreatic inflammatory fluid collection (PIFC) is a serious and frequent postoperative complication after LDG for gastric cancer. The aim of this study was to evaluate the diagnostic performance of drain amylase content (D-AMY) for clinically relevant PIFC after LDG. Two hundred and sixty-four patients who underwent LDG with prophylactic drains were enrolled. The predictive value of D-AMY on postoperative day (POD) 1 and POD 3 in the diagnosis of PIFC was evaluated. Twenty (7.6 %) patients experienced postoperative PIFC. Area under the curve in terms of receiver operating characteristics curve analysis of D-AMY on POD 1 was 0.801, and the optimal cutoff value for prediction of PIFC was 904 IU/l, with 98.2 % negative predictive value. Another cutoff was proposed as 4078 IU/l, with 92.2 % specificity. Multivariable analyses identified D-AMY on POD 1 ≥900 and ≥4000 IU/l as independent diagnostic factors for PIFC. Among patients at high risk of PIFC (D-AMY on POD 1 ≥900 IU/l), those who on POD 3 retained D-AMY value in excess of 31.2 % of the D-AMY value on POD 1 were more likely to experience PIFC compared with those with a pronounced decrease in D-AMY. D-AMY on POD 1 serves as a predictive factor for clinically relevant PIFC after LDG. Time-dependent changes in D-AMY can also be used for determining management of drains in patients at high risk of PIFC.

DOI: 10.1007/s00464-016-4753-9

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@article{Kanda2016PredictiveVO, title={Predictive value of drain amylase content for peripancreatic inflammatory fluid collections after laparoscopic (assisted) distal gastrectomy}, author={Mitsuro Kanda and Michitaka Fujiwara and Chie Tanaka and Daisuke Kobayashi and Naoki Iwata and Akira Mizuno and Suguru Yamada and Tsutomu Fujii and Goro Nakayama and Hiroyuki Sugimoto and Masahiko Koike and Yasuhiro Kodera}, journal={Surgical Endoscopy}, year={2016}, volume={30}, pages={4353-4362} }