• T Sugiura, T Mizuno, Y Okamura, T Ito, Y Yamamoto, I Kawamura, H Kurai, and K Uesaka.
• Divisions of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Centre, Shizuoka, Japan.
• Br J Surg. 2015 Nov 1;102(12):1561-6.

BackgroundSeveral risk factors for complications after pancreaticoduodenectomy have been reported. However, the impact of intraoperative bacterial contamination on surgical outcome after pancreaticoduodenectomy has not been examined in depth.MethodsThis retrospective study included patients who underwent pancreaticoduodenectomy and peritoneal lavage using 7000 ml saline between July 2012 and May 2014. The lavage fluid was subjected to bacterial culture examination. The influence of a positive bacterial culture on surgical-site infection (SSI) and postoperative course was evaluated. Risk factors for positive bacterial cultures were also evaluated.ResultsForty-six (21.1 per cent) of 218 enrolled patients had a positive bacterial culture of the lavage fluid. Incisional SSI developed in 26 (57 per cent) of these 46 patients and in 13 (7.6 per cent) of 172 patients with a negative lavage culture (P < 0.001). Organ/space SSI developed in 32 patients with a positive lavage culture (70 per cent) and in 43 of those with a negative culture (25.0 per cent) (P < 0.001). Grade B/C pancreatic fistula was observed in 22 (48 per cent) and 48 (27.9 per cent) respectively of patients with positive and negative lavage cultures (P = 0.010). Postoperative hospital stay was longer in patients with a positive lavage culture (28 days versus 21 days in patients with a negative culture; P = 0.028). Multivariable analysis revealed that internal biliary drainage, combined colectomy and a longer duration of surgery were significant risk factors for positive bacterial culture of the lavage fluid.ConclusionIntraoperative bacterial contamination has an adverse impact on the development of SSI and grade B/C pancreatic fistula following pancreaticoduodenectomy.© 2015 BJS Society Ltd Published by John Wiley & Sons Ltd.

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