• Keita Morikane.
• Division of Infection Control and Clinical Laboratory, Yamagata University Hospital, 2-2-2 Iida-Nishi, Yamagata, 990-9585, Japan. morikane-tky@umin.net.
• Surg. Today. 2017 Oct 1; 47 (10): 1208-1214.

PurposeSurgical site infection (SSI) is one of the most common healthcare-associated infections (HAIs); however, SSI after hepatobiliary and pancreatic surgery (HBPS) has not been well investigated in a large cohort of patients. This study analyzed the factors associated with SSI following HBPS in Japan, using a Japanese national database.MethodsData on HBPS performed between 2012 and 2014 were extracted from a national monitoring system for HAI: The Japan Nosocomial Infections Surveillance. Using multivariate logistic regression, I assessed the factors associated with SSI.ResultsThe cumulative incidence of SSI following HBPS was 15.6% (2873/18,398). The incidence of SSI after pancreatoduodenectomy was 28.0%, which was significantly higher than that after liver resection and other types of HBPS (8.8 and 15.5%, respectively). Among the four traditional risk factors, the American Society of Anesthesiologists score was ineffective for predicting SSI in the final model of all three types of surgery. Additional risk factors were identified, including age and male gender.ConclusionsThe incidence of and factors associated with SSI after the three types of HBPS analyzed differed significantly. To accurately compare hospital performance in relation to SSI following HBPS, the operative procedure category in the surveillance system must be divided into three types.

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