• J. Am. Coll. Surg. · Feb 2012

    Randomized Controlled Trial

    Effect of peritoneal lavage with clindamycin-gentamicin solution on infections after elective colorectal cancer surgery.

    • Jaime Ruiz-Tovar, Jair Santos, Antonio Arroyo, Carolina Llavero, Laura Armañanzas, Alberto López-Delgado, Andres Frangi, Maria Jose Alcaide, Fernando Candela, and Rafael Calpena.
    • Department of Surgery, General University Hospital Elche, Alicante, Spain. jruiztovar@gmail.com
    • J. Am. Coll. Surg. 2012 Feb 1;214(2):202-7.

    BackgroundColorectal surgery may lead to infections because despite meticulous aseptic measures, extravasation of microorganisms from the colon lumen is unavoidable.Study DesignA prospective, randomized study was performed between January 2010 and December 2010. Patient inclusion criteria were a diagnosis of colorectal neoplasms and plans to undergo an elective curative operation. Patients were divided into 2 groups: Group 1 (intra-abdominal irrigation with normal saline) and Group 2 (intraperitoneal irrigation with a solution of 240 mg gentamicin and 600 mg clindamycin). The occurrence of wound infections and intra-abdominal abscesses were investigated. After the anastomosis, a microbiologic sample of the peritoneal surface was obtained (sample 1). A second sample was collected after irrigation with normal saline (sample 2). Finally, the peritoneal cavity was irrigated with a gentamicin-clindamycin solution and a third sample was obtained (sample 3).ResultsThere were 103 patients analyzed: 51 in Group 1 and 52 in Group 2. There were no significant differences between the groups in age, sex, comorbidities, or type of colorectal surgery performed. Wound infection rates were 14% in Group 1 and 4% in Group 2 (p = 0.009; odds ratio [OR] 4.94; 95% CI 1.27 to 19.19). Intra-abdominal abscess rates were 6% in Group 1 and 0% in Group 2 (p = 0.014; OR 2.14; 95% CI 1.13 to 3.57). The culture of sample 1 was positive in 68% of the cases, sample 2 was positive in 59%, and sample 3 in 4%.ConclusionsAntibiotic lavage of the peritoneum is associated with a lower incidence of intra-abdominal abscesses and wound infections.Copyright © 2012 American College of Surgeons. Published by Elsevier Inc. All rights reserved.

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