• Takatoshi Nakamura, Hiroyuki Mitomi, Atsushi Ihara, Wataru Onozato, Takeo Sato, Heita Ozawa, Kazuhiko Hatade, and Masahiko Watanabe.
• Department of Surgery, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan. n-toshi@kitasato-u.ac.jp
• World J Surg. 2008 Jun 1;32(6):1138-41.

BackgroundAmong complications after surgery for colorectal cancer, wound infections may prolong hospitalization and increase healthcare costs. This study was designed to clarify the incidence, risk factors, and pathogens responsible for wound infections after surgery for colorectal cancer.MethodsThe study group comprised 144 patients (94 men and 50 women) with colorectal cancer in whom the same surgeon at Kitasato University Hospital performed resection from January 2004 through December 2005. Their mean age was 67.1 years (range = 38-90). To identify risk factors for surgical wound infections, we examined the following 11 variables: gender, age (>65 vs. 25 vs. 180 vs. 120 vs. ResultsPostoperative wound infections occurred in 12% (17/144) of the patients. In univariate analyses, the incidence of wound infection was 26% (11/43) in patients who underwent open colectomy compared with 6% (6/101) in those who underwent laparoscopic colectomy. This difference was significant (P = 0.001). In multivariate analyses, only surgical procedure was identified as an independent risk factor for wound infection. The odds ratio for open colectomy compared with laparoscopic colectomy was 3.322 (P = 0.021). Pus from infected wounds was cultured in 7 of the 17 patients and cultures were positive for pathogens in 5 patients: 1 laparoscopic colectomy and 4 open colectomy. Bacteroides species were the most common pathogen.ConclusionTo prevent wound infections after surgery for colorectal cancer, laparoscopic surgery should be performed when indicated.

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