Abstract
The aim of this study was to verify the efficacy of wound protection with a plastic ring wound protector (ring drape) and using new sterile instruments when closing the abdominal wall (wound closure set), both of which were used to prevent incisional surgical site infection (SSI) after hepatectomy. The incidence of incisional SSIs and the clinical courses of 572 patients who underwent hepatectomy between January 2010 and December 2015 were studied retrospectively. The patients were divided into three period groups according to the period when each infection countermeasure was started. Incisional SSI incidence decreased significantly with additional countermeasures: 1st period 10.1%; 2nd period 2.08% (p=0.0114); 3rd period, 1.63% (1st vs. 3rd period, p=0.0016). A multivariate analysis showed that postoperative bile leakage [odds ratio (OR)=4.12, p=0.012] and not using a ring drape (OR=0.176, p=0.003) were independent factors for incisional SSI. Incisional SSI incidence was significantly reduced by using ring drape after hepatectomy.
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